cpython-lru_cache-weakref: Modules/mmapmodule.c annotate

annotate Modules/mmapmodule.c @ 65035:87f4b32905df 2.7

Cosmetic fix to use print function.

author	Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp>
date	Fri, 01 Oct 2010 10:48:47 +0000
parents	e3165eeaa700
children	fa55b03be574

rev	line source
12146 e8c30e69666b Hacked for Win32 by Mark Hammond. Guido van Rossum <guido@python.org> parents: 12120 diff changeset	1 /*
e8c30e69666b Hacked for Win32 by Mark Hammond. Guido van Rossum <guido@python.org> parents: 12120 diff changeset	2 / Author: Sam Rushing <rushing@nightmare.com>
20888 2cd2ae4de30d Remove obsolete e-mail address Andrew M. Kuchling <amk@amk.ca> parents: 18626 diff changeset	3 / Hacked for Unix by AMK
12146 e8c30e69666b Hacked for Win32 by Mark Hammond. Guido van Rossum <guido@python.org> parents: 12120 diff changeset	4 / $Id$
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	5
43640 04088abf4e4f Add phuang patch from Issue 708374 which adds offset parameter to mmap module. Travis E. Oliphant <oliphant@enthought.com> parents: 42951 diff changeset	6 / Modified to support mmap with offset - to map a 'window' of a file
04088abf4e4f Add phuang patch from Issue 708374 which adds offset parameter to mmap module. Travis E. Oliphant <oliphant@enthought.com> parents: 42951 diff changeset	7 / Author: Yotam Medini yotamm@mellanox.co.il
04088abf4e4f Add phuang patch from Issue 708374 which adds offset parameter to mmap module. Travis E. Oliphant <oliphant@enthought.com> parents: 42951 diff changeset	8 /
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	9 / mmapmodule.cpp -- map a view of a file into memory
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	10 /
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	11 / todo: need permission flags, perhaps a 'chsize' analog
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	12 / not all functions check range yet!!!
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	13 /
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	14 /
13758 bc37e6a335f2 More Windows changes. Mark Hammond <mhammond@skippinet.com.au> parents: 13757 diff changeset	15 / This version of mmapmodule.c has been changed significantly
bc37e6a335f2 More Windows changes. Mark Hammond <mhammond@skippinet.com.au> parents: 13757 diff changeset	16 / from the original mmapfile.c on which it was based.
bc37e6a335f2 More Windows changes. Mark Hammond <mhammond@skippinet.com.au> parents: 13757 diff changeset	17 / The original version of mmapfile is maintained by Sam at
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	18 / ftp://squirl.nightmare.com/pub/python/python-ext.
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	19 */
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	20
36541 f7f0d2a5b20b Remove size restrictions. Martin v. Löwis <martin@v.loewis.de> parents: 36540 diff changeset	21 #define PY_SSIZE_T_CLEAN
12146 e8c30e69666b Hacked for Win32 by Mark Hammond. Guido van Rossum <guido@python.org> parents: 12120 diff changeset	22 #include <Python.h>
e8c30e69666b Hacked for Win32 by Mark Hammond. Guido van Rossum <guido@python.org> parents: 12120 diff changeset	23
24071 8142f8d668a0 Patch #569753: Remove support for WIN16. Martin v. Löwis <martin@v.loewis.de> parents: 22177 diff changeset	24 #ifndef MS_WINDOWS
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	25 #define UNIX
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	26 #endif
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	27
24071 8142f8d668a0 Patch #569753: Remove support for WIN16. Martin v. Löwis <martin@v.loewis.de> parents: 22177 diff changeset	28 #ifdef MS_WINDOWS
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	29 #include <windows.h>
14956 c78e76a571b6 my_getpagesize(): New function; returns the size of a page of memory. Fred Drake <fdrake@acm.org> parents: 14836 diff changeset	30 static int
c78e76a571b6 my_getpagesize(): New function; returns the size of a page of memory. Fred Drake <fdrake@acm.org> parents: 14836 diff changeset	31 my_getpagesize(void)
c78e76a571b6 my_getpagesize(): New function; returns the size of a page of memory. Fred Drake <fdrake@acm.org> parents: 14836 diff changeset	32 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	33 SYSTEM_INFO si;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	34 GetSystemInfo(&si);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	35 return si.dwPageSize;
14956 c78e76a571b6 my_getpagesize(): New function; returns the size of a page of memory. Fred Drake <fdrake@acm.org> parents: 14836 diff changeset	36 }
43640 04088abf4e4f Add phuang patch from Issue 708374 which adds offset parameter to mmap module. Travis E. Oliphant <oliphant@enthought.com> parents: 42951 diff changeset	37
04088abf4e4f Add phuang patch from Issue 708374 which adds offset parameter to mmap module. Travis E. Oliphant <oliphant@enthought.com> parents: 42951 diff changeset	38 static int
04088abf4e4f Add phuang patch from Issue 708374 which adds offset parameter to mmap module. Travis E. Oliphant <oliphant@enthought.com> parents: 42951 diff changeset	39 my_getallocationgranularity (void)
04088abf4e4f Add phuang patch from Issue 708374 which adds offset parameter to mmap module. Travis E. Oliphant <oliphant@enthought.com> parents: 42951 diff changeset	40 {
04088abf4e4f Add phuang patch from Issue 708374 which adds offset parameter to mmap module. Travis E. Oliphant <oliphant@enthought.com> parents: 42951 diff changeset	41
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	42 SYSTEM_INFO si;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	43 GetSystemInfo(&si);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	44 return si.dwAllocationGranularity;
43640 04088abf4e4f Add phuang patch from Issue 708374 which adds offset parameter to mmap module. Travis E. Oliphant <oliphant@enthought.com> parents: 42951 diff changeset	45 }
04088abf4e4f Add phuang patch from Issue 708374 which adds offset parameter to mmap module. Travis E. Oliphant <oliphant@enthought.com> parents: 42951 diff changeset	46
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	47 #endif
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	48
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	49 #ifdef UNIX
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	50 #include <sys/mman.h>
12941 8c9554edbebb Fix the size() method to return the size of the file on Unix, not the Andrew M. Kuchling <amk@amk.ca> parents: 12846 diff changeset	51 #include <sys/stat.h>
14836 67e0ff4aa7b9 For the benefit of SunOS 4.1.4, define MS_SYNC as 0 when it's Guido van Rossum <guido@python.org> parents: 13758 diff changeset	52
14956 c78e76a571b6 my_getpagesize(): New function; returns the size of a page of memory. Fred Drake <fdrake@acm.org> parents: 14836 diff changeset	53 #if defined(HAVE_SYSCONF) && defined(_SC_PAGESIZE)
c78e76a571b6 my_getpagesize(): New function; returns the size of a page of memory. Fred Drake <fdrake@acm.org> parents: 14836 diff changeset	54 static int
c78e76a571b6 my_getpagesize(): New function; returns the size of a page of memory. Fred Drake <fdrake@acm.org> parents: 14836 diff changeset	55 my_getpagesize(void)
c78e76a571b6 my_getpagesize(): New function; returns the size of a page of memory. Fred Drake <fdrake@acm.org> parents: 14836 diff changeset	56 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	57 return sysconf(_SC_PAGESIZE);
14956 c78e76a571b6 my_getpagesize(): New function; returns the size of a page of memory. Fred Drake <fdrake@acm.org> parents: 14836 diff changeset	58 }
43640 04088abf4e4f Add phuang patch from Issue 708374 which adds offset parameter to mmap module. Travis E. Oliphant <oliphant@enthought.com> parents: 42951 diff changeset	59
04088abf4e4f Add phuang patch from Issue 708374 which adds offset parameter to mmap module. Travis E. Oliphant <oliphant@enthought.com> parents: 42951 diff changeset	60 #define my_getallocationgranularity my_getpagesize
14956 c78e76a571b6 my_getpagesize(): New function; returns the size of a page of memory. Fred Drake <fdrake@acm.org> parents: 14836 diff changeset	61 #else
c78e76a571b6 my_getpagesize(): New function; returns the size of a page of memory. Fred Drake <fdrake@acm.org> parents: 14836 diff changeset	62 #define my_getpagesize getpagesize
c78e76a571b6 my_getpagesize(): New function; returns the size of a page of memory. Fred Drake <fdrake@acm.org> parents: 14836 diff changeset	63 #endif
c78e76a571b6 my_getpagesize(): New function; returns the size of a page of memory. Fred Drake <fdrake@acm.org> parents: 14836 diff changeset	64
14836 67e0ff4aa7b9 For the benefit of SunOS 4.1.4, define MS_SYNC as 0 when it's Guido van Rossum <guido@python.org> parents: 13758 diff changeset	65 #endif /* UNIX */
67e0ff4aa7b9 For the benefit of SunOS 4.1.4, define MS_SYNC as 0 when it's Guido van Rossum <guido@python.org> parents: 13758 diff changeset	66
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	67 #include <string.h>
38716 42808526511c Patch #1495999: Part two of Windows CE changes. Martin v. Löwis <martin@v.loewis.de> parents: 38489 diff changeset	68
42808526511c Patch #1495999: Part two of Windows CE changes. Martin v. Löwis <martin@v.loewis.de> parents: 38489 diff changeset	69 #ifdef HAVE_SYS_TYPES_H
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	70 #include <sys/types.h>
38716 42808526511c Patch #1495999: Part two of Windows CE changes. Martin v. Löwis <martin@v.loewis.de> parents: 38489 diff changeset	71 #endif /* HAVE_SYS_TYPES_H */
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	72
36515 7c9cfd3b5d0f Update comment and make accurate. Neal Norwitz <nnorwitz@gmail.com> parents: 36501 diff changeset	73 /* Prefer MAP_ANONYMOUS since MAP_ANON is deprecated according to man page. */
36446 02f0744a9cd0 Patch #1407135, bug #1424041, make mmap.mmap(-1, length) work the same Neal Norwitz <nnorwitz@gmail.com> parents: 36445 diff changeset	74 #if !defined(MAP_ANONYMOUS) && defined(MAP_ANON)
02f0744a9cd0 Patch #1407135, bug #1424041, make mmap.mmap(-1, length) work the same Neal Norwitz <nnorwitz@gmail.com> parents: 36445 diff changeset	75 # define MAP_ANONYMOUS MAP_ANON
02f0744a9cd0 Patch #1407135, bug #1424041, make mmap.mmap(-1, length) work the same Neal Norwitz <nnorwitz@gmail.com> parents: 36445 diff changeset	76 #endif
02f0744a9cd0 Patch #1407135, bug #1424041, make mmap.mmap(-1, length) work the same Neal Norwitz <nnorwitz@gmail.com> parents: 36445 diff changeset	77
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	78 static PyObject *mmap_module_error;
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	79
20970 e167b82c6444 CVS patch #477161: New "access" keyword for mmap, from Jay T Miller. Tim Peters <tim.peters@gmail.com> parents: 20888 diff changeset	80 typedef enum
e167b82c6444 CVS patch #477161: New "access" keyword for mmap, from Jay T Miller. Tim Peters <tim.peters@gmail.com> parents: 20888 diff changeset	81 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	82 ACCESS_DEFAULT,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	83 ACCESS_READ,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	84 ACCESS_WRITE,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	85 ACCESS_COPY
20970 e167b82c6444 CVS patch #477161: New "access" keyword for mmap, from Jay T Miller. Tim Peters <tim.peters@gmail.com> parents: 20888 diff changeset	86 } access_mode;
e167b82c6444 CVS patch #477161: New "access" keyword for mmap, from Jay T Miller. Tim Peters <tim.peters@gmail.com> parents: 20888 diff changeset	87
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	88 typedef struct {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	89 PyObject_HEAD
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	90 char * data;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	91 size_t size;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	92 size_t pos; /* relative to offset */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	93 size_t offset;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	94
24071 8142f8d668a0 Patch #569753: Remove support for WIN16. Martin v. Löwis <martin@v.loewis.de> parents: 22177 diff changeset	95 #ifdef MS_WINDOWS
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	96 HANDLE map_handle;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	97 HANDLE file_handle;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	98 char * tagname;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	99 #endif
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	100
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	101 #ifdef UNIX
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	102 int fd;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	103 #endif
20970 e167b82c6444 CVS patch #477161: New "access" keyword for mmap, from Jay T Miller. Tim Peters <tim.peters@gmail.com> parents: 20888 diff changeset	104
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	105 access_mode access;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	106 } mmap_object;
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	107
20970 e167b82c6444 CVS patch #477161: New "access" keyword for mmap, from Jay T Miller. Tim Peters <tim.peters@gmail.com> parents: 20888 diff changeset	108
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	109 static void
13441 5edee6878943 -- ANSI-fying, names Fredrik Lundh <fredrik@pythonware.com> parents: 13359 diff changeset	110 mmap_object_dealloc(mmap_object *m_obj)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	111 {
24071 8142f8d668a0 Patch #569753: Remove support for WIN16. Martin v. Löwis <martin@v.loewis.de> parents: 22177 diff changeset	112 #ifdef MS_WINDOWS
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	113 if (m_obj->data != NULL)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	114 UnmapViewOfFile (m_obj->data);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	115 if (m_obj->map_handle != NULL)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	116 CloseHandle (m_obj->map_handle);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	117 if (m_obj->file_handle != INVALID_HANDLE_VALUE)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	118 CloseHandle (m_obj->file_handle);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	119 if (m_obj->tagname)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	120 PyMem_Free(m_obj->tagname);
24071 8142f8d668a0 Patch #569753: Remove support for WIN16. Martin v. Löwis <martin@v.loewis.de> parents: 22177 diff changeset	121 #endif /* MS_WINDOWS */
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	122
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	123 #ifdef UNIX
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	124 if (m_obj->fd >= 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	125 (void) close(m_obj->fd);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	126 if (m_obj->data!=NULL) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	127 msync(m_obj->data, m_obj->size, MS_SYNC);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	128 munmap(m_obj->data, m_obj->size);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	129 }
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	130 #endif /* UNIX */
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	131
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	132 Py_TYPE(m_obj)->tp_free((PyObject*)m_obj);
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	133 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	134
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	135 static PyObject *
38489 3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible. Georg Brandl <georg@python.org> parents: 38485 diff changeset	136 mmap_close_method(mmap_object self, PyObject unused)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	137 {
24071 8142f8d668a0 Patch #569753: Remove support for WIN16. Martin v. Löwis <martin@v.loewis.de> parents: 22177 diff changeset	138 #ifdef MS_WINDOWS
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	139 /* For each resource we maintain, we need to check
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	140 the value is valid, and if so, free the resource
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	141 and set the member value to an invalid value so
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	142 the dealloc does not attempt to resource clearing
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	143 again.
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	144 TODO - should we check for errors in the close operations???
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	145 */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	146 if (self->data != NULL) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	147 UnmapViewOfFile(self->data);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	148 self->data = NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	149 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	150 if (self->map_handle != NULL) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	151 CloseHandle(self->map_handle);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	152 self->map_handle = NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	153 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	154 if (self->file_handle != INVALID_HANDLE_VALUE) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	155 CloseHandle(self->file_handle);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	156 self->file_handle = INVALID_HANDLE_VALUE;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	157 }
24071 8142f8d668a0 Patch #569753: Remove support for WIN16. Martin v. Löwis <martin@v.loewis.de> parents: 22177 diff changeset	158 #endif /* MS_WINDOWS */
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	159
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	160 #ifdef UNIX
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	161 if (0 <= self->fd)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	162 (void) close(self->fd);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	163 self->fd = -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	164 if (self->data != NULL) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	165 munmap(self->data, self->size);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	166 self->data = NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	167 }
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	168 #endif
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	169
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	170 Py_INCREF(Py_None);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	171 return Py_None;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	172 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	173
24071 8142f8d668a0 Patch #569753: Remove support for WIN16. Martin v. Löwis <martin@v.loewis.de> parents: 22177 diff changeset	174 #ifdef MS_WINDOWS
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	175 #define CHECK_VALID(err) \
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	176 do { \
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	177 if (self->map_handle == NULL) { \
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	178 PyErr_SetString(PyExc_ValueError, "mmap closed or invalid"); \
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	179 return err; \
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	180 } \
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	181 } while (0)
24071 8142f8d668a0 Patch #569753: Remove support for WIN16. Martin v. Löwis <martin@v.loewis.de> parents: 22177 diff changeset	182 #endif /* MS_WINDOWS */
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	183
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	184 #ifdef UNIX
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	185 #define CHECK_VALID(err) \
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	186 do { \
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	187 if (self->data == NULL) { \
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	188 PyErr_SetString(PyExc_ValueError, "mmap closed or invalid"); \
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	189 return err; \
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	190 } \
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	191 } while (0)
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	192 #endif /* UNIX */
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	193
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	194 static PyObject *
13441 5edee6878943 -- ANSI-fying, names Fredrik Lundh <fredrik@pythonware.com> parents: 13359 diff changeset	195 mmap_read_byte_method(mmap_object *self,
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	196 PyObject *unused)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	197 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	198 CHECK_VALID(NULL);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	199 if (self->pos < self->size) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	200 char value = self->data[self->pos];
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	201 self->pos += 1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	202 return Py_BuildValue("c", value);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	203 } else {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	204 PyErr_SetString(PyExc_ValueError, "read byte out of range");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	205 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	206 }
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	207 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	208
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	209 static PyObject *
13441 5edee6878943 -- ANSI-fying, names Fredrik Lundh <fredrik@pythonware.com> parents: 13359 diff changeset	210 mmap_read_line_method(mmap_object *self,
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	211 PyObject *unused)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	212 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	213 char *start = self->data+self->pos;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	214 char *eof = self->data+self->size;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	215 char *eol;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	216 PyObject *result;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	217
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	218 CHECK_VALID(NULL);
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	219
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	220 eol = memchr(start, '\n', self->size - self->pos);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	221 if (!eol)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	222 eol = eof;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	223 else
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	224 ++eol; /* we're interested in the position after the
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	225 newline. */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	226 result = PyString_FromStringAndSize(start, (eol - start));
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	227 self->pos += (eol - start);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	228 return result;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	229 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	230
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	231 static PyObject *
13441 5edee6878943 -- ANSI-fying, names Fredrik Lundh <fredrik@pythonware.com> parents: 13359 diff changeset	232 mmap_read_method(mmap_object *self,
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	233 PyObject *args)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	234 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	235 Py_ssize_t num_bytes, n;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	236 PyObject *result;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	237
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	238 CHECK_VALID(NULL);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	239 if (!PyArg_ParseTuple(args, "n:read", &num_bytes))
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	240 return(NULL);
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	241
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	242 /* silently 'adjust' out-of-range requests */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	243 assert(self->size >= self->pos);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	244 n = self->size - self->pos;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	245 /* The difference can overflow, only if self->size is greater than
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	246 * PY_SSIZE_T_MAX. But then the operation cannot possibly succeed,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	247 * because the mapped area and the returned string each need more
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	248 * than half of the addressable memory. So we clip the size, and let
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	249 * the code below raise MemoryError.
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	250 */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	251 if (n < 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	252 n = PY_SSIZE_T_MAX;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	253 if (num_bytes < 0 \|\| num_bytes > n) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	254 num_bytes = n;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	255 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	256 result = Py_BuildValue("s#", self->data+self->pos, num_bytes);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	257 self->pos += num_bytes;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	258 return result;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	259 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	260
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	261 static PyObject *
44774 80366621c502 Patch #976880: add mmap .rfind() method, and 'end' paramter to .find(). Andrew M. Kuchling <amk@amk.ca> parents: 44619 diff changeset	262 mmap_gfind(mmap_object *self,
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	263 PyObject *args,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	264 int reverse)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	265 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	266 Py_ssize_t start = self->pos;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	267 Py_ssize_t end = self->size;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	268 const char *needle;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	269 Py_ssize_t len;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	270
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	271 CHECK_VALID(NULL);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	272 if (!PyArg_ParseTuple(args, reverse ? "s#\|nn:rfind" : "s#\|nn:find",
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	273 &needle, &len, &start, &end)) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	274 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	275 } else {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	276 const char p, start_p, *end_p;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	277 int sign = reverse ? -1 : 1;
17821 780248cd1d9a Fix the .find() method for memory maps. Greg Stein <gstein@lyra.org> parents: 17735 diff changeset	278
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	279 if (start < 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	280 start += self->size;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	281 if (start < 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	282 start = 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	283 else if ((size_t)start > self->size)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	284 start = self->size;
17821 780248cd1d9a Fix the .find() method for memory maps. Greg Stein <gstein@lyra.org> parents: 17735 diff changeset	285
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	286 if (end < 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	287 end += self->size;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	288 if (end < 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	289 end = 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	290 else if ((size_t)end > self->size)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	291 end = self->size;
44774 80366621c502 Patch #976880: add mmap .rfind() method, and 'end' paramter to .find(). Andrew M. Kuchling <amk@amk.ca> parents: 44619 diff changeset	292
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	293 start_p = self->data + start;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	294 end_p = self->data + end;
44774 80366621c502 Patch #976880: add mmap .rfind() method, and 'end' paramter to .find(). Andrew M. Kuchling <amk@amk.ca> parents: 44619 diff changeset	295
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	296 for (p = (reverse ? end_p - len : start_p);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	297 (p >= start_p) && (p + len <= end_p); p += sign) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	298 Py_ssize_t i;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	299 for (i = 0; i < len && needle[i] == p[i]; ++i)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	300 /* nothing */;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	301 if (i == len) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	302 return PyInt_FromSsize_t(p - self->data);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	303 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	304 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	305 return PyInt_FromLong(-1);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	306 }
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	307 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	308
44774 80366621c502 Patch #976880: add mmap .rfind() method, and 'end' paramter to .find(). Andrew M. Kuchling <amk@amk.ca> parents: 44619 diff changeset	309 static PyObject *
80366621c502 Patch #976880: add mmap .rfind() method, and 'end' paramter to .find(). Andrew M. Kuchling <amk@amk.ca> parents: 44619 diff changeset	310 mmap_find_method(mmap_object *self,
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	311 PyObject *args)
44774 80366621c502 Patch #976880: add mmap .rfind() method, and 'end' paramter to .find(). Andrew M. Kuchling <amk@amk.ca> parents: 44619 diff changeset	312 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	313 return mmap_gfind(self, args, 0);
44774 80366621c502 Patch #976880: add mmap .rfind() method, and 'end' paramter to .find(). Andrew M. Kuchling <amk@amk.ca> parents: 44619 diff changeset	314 }
80366621c502 Patch #976880: add mmap .rfind() method, and 'end' paramter to .find(). Andrew M. Kuchling <amk@amk.ca> parents: 44619 diff changeset	315
80366621c502 Patch #976880: add mmap .rfind() method, and 'end' paramter to .find(). Andrew M. Kuchling <amk@amk.ca> parents: 44619 diff changeset	316 static PyObject *
80366621c502 Patch #976880: add mmap .rfind() method, and 'end' paramter to .find(). Andrew M. Kuchling <amk@amk.ca> parents: 44619 diff changeset	317 mmap_rfind_method(mmap_object *self,
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	318 PyObject *args)
44774 80366621c502 Patch #976880: add mmap .rfind() method, and 'end' paramter to .find(). Andrew M. Kuchling <amk@amk.ca> parents: 44619 diff changeset	319 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	320 return mmap_gfind(self, args, 1);
44774 80366621c502 Patch #976880: add mmap .rfind() method, and 'end' paramter to .find(). Andrew M. Kuchling <amk@amk.ca> parents: 44619 diff changeset	321 }
80366621c502 Patch #976880: add mmap .rfind() method, and 'end' paramter to .find(). Andrew M. Kuchling <amk@amk.ca> parents: 44619 diff changeset	322
36537 fdabdf148336 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 36536 diff changeset	323 static int
20970 e167b82c6444 CVS patch #477161: New "access" keyword for mmap, from Jay T Miller. Tim Peters <tim.peters@gmail.com> parents: 20888 diff changeset	324 is_writeable(mmap_object *self)
e167b82c6444 CVS patch #477161: New "access" keyword for mmap, from Jay T Miller. Tim Peters <tim.peters@gmail.com> parents: 20888 diff changeset	325 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	326 if (self->access != ACCESS_READ)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	327 return 1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	328 PyErr_Format(PyExc_TypeError, "mmap can't modify a readonly memory map.");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	329 return 0;
20970 e167b82c6444 CVS patch #477161: New "access" keyword for mmap, from Jay T Miller. Tim Peters <tim.peters@gmail.com> parents: 20888 diff changeset	330 }
e167b82c6444 CVS patch #477161: New "access" keyword for mmap, from Jay T Miller. Tim Peters <tim.peters@gmail.com> parents: 20888 diff changeset	331
36537 fdabdf148336 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 36536 diff changeset	332 static int
20970 e167b82c6444 CVS patch #477161: New "access" keyword for mmap, from Jay T Miller. Tim Peters <tim.peters@gmail.com> parents: 20888 diff changeset	333 is_resizeable(mmap_object *self)
e167b82c6444 CVS patch #477161: New "access" keyword for mmap, from Jay T Miller. Tim Peters <tim.peters@gmail.com> parents: 20888 diff changeset	334 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	335 if ((self->access == ACCESS_WRITE) \|\| (self->access == ACCESS_DEFAULT))
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	336 return 1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	337 PyErr_Format(PyExc_TypeError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	338 "mmap can't resize a readonly or copy-on-write memory map.");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	339 return 0;
20970 e167b82c6444 CVS patch #477161: New "access" keyword for mmap, from Jay T Miller. Tim Peters <tim.peters@gmail.com> parents: 20888 diff changeset	340 }
e167b82c6444 CVS patch #477161: New "access" keyword for mmap, from Jay T Miller. Tim Peters <tim.peters@gmail.com> parents: 20888 diff changeset	341
e167b82c6444 CVS patch #477161: New "access" keyword for mmap, from Jay T Miller. Tim Peters <tim.peters@gmail.com> parents: 20888 diff changeset	342
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	343 static PyObject *
13441 5edee6878943 -- ANSI-fying, names Fredrik Lundh <fredrik@pythonware.com> parents: 13359 diff changeset	344 mmap_write_method(mmap_object *self,
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	345 PyObject *args)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	346 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	347 Py_ssize_t length;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	348 char *data;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	349
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	350 CHECK_VALID(NULL);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	351 if (!PyArg_ParseTuple(args, "s#:write", &data, &length))
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	352 return(NULL);
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	353
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	354 if (!is_writeable(self))
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	355 return NULL;
20970 e167b82c6444 CVS patch #477161: New "access" keyword for mmap, from Jay T Miller. Tim Peters <tim.peters@gmail.com> parents: 20888 diff changeset	356
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	357 if ((self->pos + length) > self->size) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	358 PyErr_SetString(PyExc_ValueError, "data out of range");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	359 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	360 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	361 memcpy(self->data+self->pos, data, length);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	362 self->pos = self->pos+length;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	363 Py_INCREF(Py_None);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	364 return Py_None;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	365 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	366
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	367 static PyObject *
13441 5edee6878943 -- ANSI-fying, names Fredrik Lundh <fredrik@pythonware.com> parents: 13359 diff changeset	368 mmap_write_byte_method(mmap_object *self,
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	369 PyObject *args)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	370 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	371 char value;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	372
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	373 CHECK_VALID(NULL);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	374 if (!PyArg_ParseTuple(args, "c:write_byte", &value))
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	375 return(NULL);
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	376
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	377 if (!is_writeable(self))
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	378 return NULL;
51907 9de5d62ad402 Issue #5386: mmap.write_byte didn't check map size, so it could cause buffer Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp> parents: 51692 diff changeset	379
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	380 if (self->pos < self->size) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	381 *(self->data+self->pos) = value;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	382 self->pos += 1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	383 Py_INCREF(Py_None);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	384 return Py_None;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	385 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	386 else {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	387 PyErr_SetString(PyExc_ValueError, "write byte out of range");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	388 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	389 }
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	390 }
36537 fdabdf148336 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 36536 diff changeset	391
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	392 static PyObject *
13441 5edee6878943 -- ANSI-fying, names Fredrik Lundh <fredrik@pythonware.com> parents: 13359 diff changeset	393 mmap_size_method(mmap_object *self,
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	394 PyObject *unused)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	395 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	396 CHECK_VALID(NULL);
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	397
24071 8142f8d668a0 Patch #569753: Remove support for WIN16. Martin v. Löwis <martin@v.loewis.de> parents: 22177 diff changeset	398 #ifdef MS_WINDOWS
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	399 if (self->file_handle != INVALID_HANDLE_VALUE) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	400 DWORD low,high;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	401 PY_LONG_LONG size;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	402 low = GetFileSize(self->file_handle, &high);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	403 if (low == INVALID_FILE_SIZE) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	404 /* It might be that the function appears to have failed,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	405 when indeed its size equals INVALID_FILE_SIZE */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	406 DWORD error = GetLastError();
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	407 if (error != NO_ERROR)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	408 return PyErr_SetFromWindowsErr(error);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	409 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	410 if (!high && low < LONG_MAX)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	411 return PyInt_FromLong((long)low);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	412 size = (((PY_LONG_LONG)high)<<32) + low;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	413 return PyLong_FromLongLong(size);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	414 } else {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	415 return PyInt_FromSsize_t(self->size);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	416 }
24071 8142f8d668a0 Patch #569753: Remove support for WIN16. Martin v. Löwis <martin@v.loewis.de> parents: 22177 diff changeset	417 #endif /* MS_WINDOWS */
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	418
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	419 #ifdef UNIX
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	420 {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	421 struct stat buf;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	422 if (-1 == fstat(self->fd, &buf)) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	423 PyErr_SetFromErrno(mmap_module_error);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	424 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	425 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	426 return PyInt_FromSsize_t(buf.st_size);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	427 }
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	428 #endif /* UNIX */
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	429 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	430
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	431 /* This assumes that you want the entire file mapped,
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	432 / and when recreating the map will make the new file
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	433 / have the new size
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	434 /
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	435 / Is this really necessary? This could easily be done
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	436 / from python by just closing and re-opening with the
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	437 / new size?
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	438 */
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	439
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	440 static PyObject *
13441 5edee6878943 -- ANSI-fying, names Fredrik Lundh <fredrik@pythonware.com> parents: 13359 diff changeset	441 mmap_resize_method(mmap_object *self,
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	442 PyObject *args)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	443 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	444 Py_ssize_t new_size;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	445 CHECK_VALID(NULL);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	446 if (!PyArg_ParseTuple(args, "n:resize", &new_size) \|\|
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	447 !is_resizeable(self)) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	448 return NULL;
24071 8142f8d668a0 Patch #569753: Remove support for WIN16. Martin v. Löwis <martin@v.loewis.de> parents: 22177 diff changeset	449 #ifdef MS_WINDOWS
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	450 } else {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	451 DWORD dwErrCode = 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	452 DWORD off_hi, off_lo, newSizeLow, newSizeHigh;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	453 /* First, unmap the file view */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	454 UnmapViewOfFile(self->data);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	455 self->data = NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	456 /* Close the mapping object */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	457 CloseHandle(self->map_handle);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	458 self->map_handle = NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	459 /* Move to the desired EOF position */
36564 8de58246fef8 Fix size computation on Win64. Martin v. Löwis <martin@v.loewis.de> parents: 36550 diff changeset	460 #if SIZEOF_SIZE_T > 4
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	461 newSizeHigh = (DWORD)((self->offset + new_size) >> 32);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	462 newSizeLow = (DWORD)((self->offset + new_size) & 0xFFFFFFFF);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	463 off_hi = (DWORD)(self->offset >> 32);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	464 off_lo = (DWORD)(self->offset & 0xFFFFFFFF);
36564 8de58246fef8 Fix size computation on Win64. Martin v. Löwis <martin@v.loewis.de> parents: 36550 diff changeset	465 #else
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	466 newSizeHigh = 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	467 newSizeLow = (DWORD)(self->offset + new_size);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	468 off_hi = 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	469 off_lo = (DWORD)self->offset;
36564 8de58246fef8 Fix size computation on Win64. Martin v. Löwis <martin@v.loewis.de> parents: 36550 diff changeset	470 #endif
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	471 SetFilePointer(self->file_handle,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	472 newSizeLow, &newSizeHigh, FILE_BEGIN);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	473 /* Change the size of the file */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	474 SetEndOfFile(self->file_handle);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	475 /* Create another mapping object and remap the file view */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	476 self->map_handle = CreateFileMapping(
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	477 self->file_handle,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	478 NULL,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	479 PAGE_READWRITE,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	480 0,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	481 0,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	482 self->tagname);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	483 if (self->map_handle != NULL) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	484 self->data = (char *) MapViewOfFile(self->map_handle,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	485 FILE_MAP_WRITE,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	486 off_hi,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	487 off_lo,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	488 new_size);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	489 if (self->data != NULL) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	490 self->size = new_size;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	491 Py_INCREF(Py_None);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	492 return Py_None;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	493 } else {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	494 dwErrCode = GetLastError();
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	495 CloseHandle(self->map_handle);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	496 self->map_handle = NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	497 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	498 } else {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	499 dwErrCode = GetLastError();
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	500 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	501 PyErr_SetFromWindowsErr(dwErrCode);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	502 return NULL;
24071 8142f8d668a0 Patch #569753: Remove support for WIN16. Martin v. Löwis <martin@v.loewis.de> parents: 22177 diff changeset	503 #endif /* MS_WINDOWS */
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	504
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	505 #ifdef UNIX
36537 fdabdf148336 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 36536 diff changeset	506 #ifndef HAVE_MREMAP
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	507 } else {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	508 PyErr_SetString(PyExc_SystemError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	509 "mmap: resizing not available--no mremap()");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	510 return NULL;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	511 #else
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	512 } else {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	513 void *newmap;
35612 35a99eccaca6 C89 compliance. Armin Rigo <arigo@tunes.org> parents: 35408 diff changeset	514
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	515 if (ftruncate(self->fd, self->offset + new_size) == -1) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	516 PyErr_SetFromErrno(mmap_module_error);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	517 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	518 }
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	519
12948 acb0261b6942 Support resizing the mapping depending on whether HAVE_MREMAP is defined Andrew M. Kuchling <amk@amk.ca> parents: 12945 diff changeset	520 #ifdef MREMAP_MAYMOVE
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	521 newmap = mremap(self->data, self->size, new_size, MREMAP_MAYMOVE);
12948 acb0261b6942 Support resizing the mapping depending on whether HAVE_MREMAP is defined Andrew M. Kuchling <amk@amk.ca> parents: 12945 diff changeset	522 #else
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	523 #if defined(__NetBSD__)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	524 newmap = mremap(self->data, self->size, self->data, new_size, 0);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	525 #else
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	526 newmap = mremap(self->data, self->size, new_size, 0);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	527 #endif /* __NetBSD__ */
12948 acb0261b6942 Support resizing the mapping depending on whether HAVE_MREMAP is defined Andrew M. Kuchling <amk@amk.ca> parents: 12945 diff changeset	528 #endif
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	529 if (newmap == (void *)-1)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	530 {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	531 PyErr_SetFromErrno(mmap_module_error);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	532 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	533 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	534 self->data = newmap;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	535 self->size = new_size;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	536 Py_INCREF(Py_None);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	537 return Py_None;
12948 acb0261b6942 Support resizing the mapping depending on whether HAVE_MREMAP is defined Andrew M. Kuchling <amk@amk.ca> parents: 12945 diff changeset	538 #endif /* HAVE_MREMAP */
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	539 #endif /* UNIX */
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	540 }
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	541 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	542
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	543 static PyObject *
38489 3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible. Georg Brandl <georg@python.org> parents: 38485 diff changeset	544 mmap_tell_method(mmap_object self, PyObject unused)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	545 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	546 CHECK_VALID(NULL);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	547 return PyInt_FromSize_t(self->pos);
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	548 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	549
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	550 static PyObject *
13441 5edee6878943 -- ANSI-fying, names Fredrik Lundh <fredrik@pythonware.com> parents: 13359 diff changeset	551 mmap_flush_method(mmap_object self, PyObject args)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	552 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	553 Py_ssize_t offset = 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	554 Py_ssize_t size = self->size;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	555 CHECK_VALID(NULL);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	556 if (!PyArg_ParseTuple(args, "\|nn:flush", &offset, &size))
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	557 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	558 if ((size_t)(offset + size) > self->size) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	559 PyErr_SetString(PyExc_ValueError, "flush values out of range");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	560 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	561 }
24071 8142f8d668a0 Patch #569753: Remove support for WIN16. Martin v. Löwis <martin@v.loewis.de> parents: 22177 diff changeset	562 #ifdef MS_WINDOWS
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	563 return PyInt_FromLong((long) FlushViewOfFile(self->data+offset, size));
44994 ff58b30a8d52 Mostly reformat. Also set an error and return NULL if neither MS_WINDOWS Neal Norwitz <nnorwitz@gmail.com> parents: 44981 diff changeset	564 #elif defined(UNIX)
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	565 /* XXX semantics of return value? */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	566 /* XXX flags for msync? */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	567 if (-1 == msync(self->data + offset, size, MS_SYNC)) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	568 PyErr_SetFromErrno(mmap_module_error);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	569 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	570 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	571 return PyInt_FromLong(0);
44994 ff58b30a8d52 Mostly reformat. Also set an error and return NULL if neither MS_WINDOWS Neal Norwitz <nnorwitz@gmail.com> parents: 44981 diff changeset	572 #else
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	573 PyErr_SetString(PyExc_ValueError, "flush not supported on this system");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	574 return NULL;
44994 ff58b30a8d52 Mostly reformat. Also set an error and return NULL if neither MS_WINDOWS Neal Norwitz <nnorwitz@gmail.com> parents: 44981 diff changeset	575 #endif
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	576 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	577
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	578 static PyObject *
13441 5edee6878943 -- ANSI-fying, names Fredrik Lundh <fredrik@pythonware.com> parents: 13359 diff changeset	579 mmap_seek_method(mmap_object self, PyObject args)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	580 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	581 Py_ssize_t dist;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	582 int how=0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	583 CHECK_VALID(NULL);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	584 if (!PyArg_ParseTuple(args, "n\|i:seek", &dist, &how))
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	585 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	586 else {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	587 size_t where;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	588 switch (how) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	589 case 0: /* relative to start */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	590 if (dist < 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	591 goto onoutofrange;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	592 where = dist;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	593 break;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	594 case 1: /* relative to current position */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	595 if ((Py_ssize_t)self->pos + dist < 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	596 goto onoutofrange;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	597 where = self->pos + dist;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	598 break;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	599 case 2: /* relative to end */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	600 if ((Py_ssize_t)self->size + dist < 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	601 goto onoutofrange;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	602 where = self->size + dist;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	603 break;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	604 default:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	605 PyErr_SetString(PyExc_ValueError, "unknown seek type");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	606 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	607 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	608 if (where > self->size)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	609 goto onoutofrange;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	610 self->pos = where;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	611 Py_INCREF(Py_None);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	612 return Py_None;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	613 }
12945 5d2fb67408a7 Patch from Trent Mick: Andrew M. Kuchling <amk@amk.ca> parents: 12944 diff changeset	614
20970 e167b82c6444 CVS patch #477161: New "access" keyword for mmap, from Jay T Miller. Tim Peters <tim.peters@gmail.com> parents: 20888 diff changeset	615 onoutofrange:
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	616 PyErr_SetString(PyExc_ValueError, "seek out of range");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	617 return NULL;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	618 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	619
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	620 static PyObject *
13441 5edee6878943 -- ANSI-fying, names Fredrik Lundh <fredrik@pythonware.com> parents: 13359 diff changeset	621 mmap_move_method(mmap_object self, PyObject args)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	622 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	623 unsigned long dest, src, cnt;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	624 CHECK_VALID(NULL);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	625 if (!PyArg_ParseTuple(args, "kkk:move", &dest, &src, &cnt) \|\|
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	626 !is_writeable(self)) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	627 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	628 } else {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	629 /* bounds check the values */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	630 if (cnt < 0 \|\| (cnt + dest) < cnt \|\| (cnt + src) < cnt \|\|
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	631 src < 0 \|\| src > self->size \|\| (src + cnt) > self->size \|\|
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	632 dest < 0 \|\| dest > self->size \|\| (dest + cnt) > self->size) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	633 PyErr_SetString(PyExc_ValueError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	634 "source, destination, or count out of range");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	635 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	636 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	637 memmove(self->data+dest, self->data+src, cnt);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	638 Py_INCREF(Py_None);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	639 return Py_None;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	640 }
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	641 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	642
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	643 static struct PyMethodDef mmap_object_methods[] = {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	644 {"close", (PyCFunction) mmap_close_method, METH_NOARGS},
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	645 {"find", (PyCFunction) mmap_find_method, METH_VARARGS},
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	646 {"rfind", (PyCFunction) mmap_rfind_method, METH_VARARGS},
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	647 {"flush", (PyCFunction) mmap_flush_method, METH_VARARGS},
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	648 {"move", (PyCFunction) mmap_move_method, METH_VARARGS},
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	649 {"read", (PyCFunction) mmap_read_method, METH_VARARGS},
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	650 {"read_byte", (PyCFunction) mmap_read_byte_method, METH_NOARGS},
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	651 {"readline", (PyCFunction) mmap_read_line_method, METH_NOARGS},
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	652 {"resize", (PyCFunction) mmap_resize_method, METH_VARARGS},
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	653 {"seek", (PyCFunction) mmap_seek_method, METH_VARARGS},
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	654 {"size", (PyCFunction) mmap_size_method, METH_NOARGS},
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	655 {"tell", (PyCFunction) mmap_tell_method, METH_NOARGS},
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	656 {"write", (PyCFunction) mmap_write_method, METH_VARARGS},
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	657 {"write_byte", (PyCFunction) mmap_write_byte_method, METH_VARARGS},
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	658 {NULL, NULL} /* sentinel */
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	659 };
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	660
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	661 /* Functions for treating an mmap'ed file as a buffer */
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	662
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36446 diff changeset	663 static Py_ssize_t
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36446 diff changeset	664 mmap_buffer_getreadbuf(mmap_object self, Py_ssize_t index, const void *ptr)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	665 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	666 CHECK_VALID(-1);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	667 if (index != 0) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	668 PyErr_SetString(PyExc_SystemError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	669 "Accessing non-existent mmap segment");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	670 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	671 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	672 *ptr = self->data;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	673 return self->size;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	674 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	675
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36446 diff changeset	676 static Py_ssize_t
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36446 diff changeset	677 mmap_buffer_getwritebuf(mmap_object self, Py_ssize_t index, const void *ptr)
36537 fdabdf148336 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 36536 diff changeset	678 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	679 CHECK_VALID(-1);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	680 if (index != 0) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	681 PyErr_SetString(PyExc_SystemError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	682 "Accessing non-existent mmap segment");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	683 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	684 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	685 if (!is_writeable(self))
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	686 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	687 *ptr = self->data;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	688 return self->size;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	689 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	690
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36446 diff changeset	691 static Py_ssize_t
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36446 diff changeset	692 mmap_buffer_getsegcount(mmap_object self, Py_ssize_t lenp)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	693 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	694 CHECK_VALID(-1);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	695 if (lenp)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	696 *lenp = self->size;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	697 return 1;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	698 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	699
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36446 diff changeset	700 static Py_ssize_t
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36446 diff changeset	701 mmap_buffer_getcharbuffer(mmap_object self, Py_ssize_t index, const void *ptr)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	702 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	703 if (index != 0) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	704 PyErr_SetString(PyExc_SystemError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	705 "accessing non-existent buffer segment");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	706 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	707 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	708 ptr = (const char )self->data;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	709 return self->size;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	710 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	711
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36446 diff changeset	712 static Py_ssize_t
13441 5edee6878943 -- ANSI-fying, names Fredrik Lundh <fredrik@pythonware.com> parents: 13359 diff changeset	713 mmap_length(mmap_object *self)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	714 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	715 CHECK_VALID(-1);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	716 return self->size;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	717 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	718
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	719 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36446 diff changeset	720 mmap_item(mmap_object *self, Py_ssize_t i)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	721 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	722 CHECK_VALID(NULL);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	723 if (i < 0 \|\| (size_t)i >= self->size) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	724 PyErr_SetString(PyExc_IndexError, "mmap index out of range");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	725 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	726 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	727 return PyString_FromStringAndSize(self->data + i, 1);
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	728 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	729
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	730 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36446 diff changeset	731 mmap_slice(mmap_object *self, Py_ssize_t ilow, Py_ssize_t ihigh)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	732 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	733 CHECK_VALID(NULL);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	734 if (ilow < 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	735 ilow = 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	736 else if ((size_t)ilow > self->size)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	737 ilow = self->size;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	738 if (ihigh < 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	739 ihigh = 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	740 if (ihigh < ilow)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	741 ihigh = ilow;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	742 else if ((size_t)ihigh > self->size)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	743 ihigh = self->size;
36537 fdabdf148336 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 36536 diff changeset	744
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	745 return PyString_FromStringAndSize(self->data + ilow, ihigh-ilow);
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	746 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	747
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	748 static PyObject *
42951 9620134010a5 Improve extended slicing support in builtin types and classes. Specifically: Thomas Wouters <thomas@python.org> parents: 42333 diff changeset	749 mmap_subscript(mmap_object self, PyObject item)
9620134010a5 Improve extended slicing support in builtin types and classes. Specifically: Thomas Wouters <thomas@python.org> parents: 42333 diff changeset	750 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	751 CHECK_VALID(NULL);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	752 if (PyIndex_Check(item)) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	753 Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	754 if (i == -1 && PyErr_Occurred())
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	755 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	756 if (i < 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	757 i += self->size;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	758 if (i < 0 \|\| (size_t)i >= self->size) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	759 PyErr_SetString(PyExc_IndexError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	760 "mmap index out of range");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	761 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	762 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	763 return PyString_FromStringAndSize(self->data + i, 1);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	764 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	765 else if (PySlice_Check(item)) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	766 Py_ssize_t start, stop, step, slicelen;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	767
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	768 if (PySlice_GetIndicesEx((PySliceObject *)item, self->size,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	769 &start, &stop, &step, &slicelen) < 0) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	770 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	771 }
42951 9620134010a5 Improve extended slicing support in builtin types and classes. Specifically: Thomas Wouters <thomas@python.org> parents: 42333 diff changeset	772
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	773 if (slicelen <= 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	774 return PyString_FromStringAndSize("", 0);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	775 else if (step == 1)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	776 return PyString_FromStringAndSize(self->data + start,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	777 slicelen);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	778 else {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	779 char result_buf = (char )PyMem_Malloc(slicelen);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	780 Py_ssize_t cur, i;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	781 PyObject *result;
42951 9620134010a5 Improve extended slicing support in builtin types and classes. Specifically: Thomas Wouters <thomas@python.org> parents: 42333 diff changeset	782
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	783 if (result_buf == NULL)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	784 return PyErr_NoMemory();
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	785 for (cur = start, i = 0; i < slicelen;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	786 cur += step, i++) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	787 result_buf[i] = self->data[cur];
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	788 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	789 result = PyString_FromStringAndSize(result_buf,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	790 slicelen);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	791 PyMem_Free(result_buf);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	792 return result;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	793 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	794 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	795 else {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	796 PyErr_SetString(PyExc_TypeError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	797 "mmap indices must be integers");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	798 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	799 }
42951 9620134010a5 Improve extended slicing support in builtin types and classes. Specifically: Thomas Wouters <thomas@python.org> parents: 42333 diff changeset	800 }
9620134010a5 Improve extended slicing support in builtin types and classes. Specifically: Thomas Wouters <thomas@python.org> parents: 42333 diff changeset	801
9620134010a5 Improve extended slicing support in builtin types and classes. Specifically: Thomas Wouters <thomas@python.org> parents: 42333 diff changeset	802 static PyObject *
13441 5edee6878943 -- ANSI-fying, names Fredrik Lundh <fredrik@pythonware.com> parents: 13359 diff changeset	803 mmap_concat(mmap_object self, PyObject bb)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	804 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	805 CHECK_VALID(NULL);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	806 PyErr_SetString(PyExc_SystemError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	807 "mmaps don't support concatenation");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	808 return NULL;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	809 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	810
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	811 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36446 diff changeset	812 mmap_repeat(mmap_object *self, Py_ssize_t n)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	813 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	814 CHECK_VALID(NULL);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	815 PyErr_SetString(PyExc_SystemError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	816 "mmaps don't support repeat operation");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	817 return NULL;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	818 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	819
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	820 static int
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36446 diff changeset	821 mmap_ass_slice(mmap_object self, Py_ssize_t ilow, Py_ssize_t ihigh, PyObject v)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	822 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	823 const char *buf;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	824
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	825 CHECK_VALID(-1);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	826 if (ilow < 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	827 ilow = 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	828 else if ((size_t)ilow > self->size)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	829 ilow = self->size;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	830 if (ihigh < 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	831 ihigh = 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	832 if (ihigh < ilow)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	833 ihigh = ilow;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	834 else if ((size_t)ihigh > self->size)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	835 ihigh = self->size;
36537 fdabdf148336 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 36536 diff changeset	836
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	837 if (v == NULL) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	838 PyErr_SetString(PyExc_TypeError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	839 "mmap object doesn't support slice deletion");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	840 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	841 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	842 if (! (PyString_Check(v)) ) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	843 PyErr_SetString(PyExc_IndexError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	844 "mmap slice assignment must be a string");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	845 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	846 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	847 if (PyString_Size(v) != (ihigh - ilow)) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	848 PyErr_SetString(PyExc_IndexError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	849 "mmap slice assignment is wrong size");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	850 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	851 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	852 if (!is_writeable(self))
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	853 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	854 buf = PyString_AsString(v);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	855 memcpy(self->data + ilow, buf, ihigh-ilow);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	856 return 0;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	857 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	858
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	859 static int
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36446 diff changeset	860 mmap_ass_item(mmap_object self, Py_ssize_t i, PyObject v)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	861 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	862 const char *buf;
36537 fdabdf148336 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 36536 diff changeset	863
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	864 CHECK_VALID(-1);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	865 if (i < 0 \|\| (size_t)i >= self->size) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	866 PyErr_SetString(PyExc_IndexError, "mmap index out of range");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	867 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	868 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	869 if (v == NULL) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	870 PyErr_SetString(PyExc_TypeError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	871 "mmap object doesn't support item deletion");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	872 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	873 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	874 if (! (PyString_Check(v) && PyString_Size(v)==1) ) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	875 PyErr_SetString(PyExc_IndexError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	876 "mmap assignment must be single-character string");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	877 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	878 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	879 if (!is_writeable(self))
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	880 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	881 buf = PyString_AsString(v);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	882 self->data[i] = buf[0];
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	883 return 0;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	884 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	885
42951 9620134010a5 Improve extended slicing support in builtin types and classes. Specifically: Thomas Wouters <thomas@python.org> parents: 42333 diff changeset	886 static int
9620134010a5 Improve extended slicing support in builtin types and classes. Specifically: Thomas Wouters <thomas@python.org> parents: 42333 diff changeset	887 mmap_ass_subscript(mmap_object self, PyObject item, PyObject *value)
9620134010a5 Improve extended slicing support in builtin types and classes. Specifically: Thomas Wouters <thomas@python.org> parents: 42333 diff changeset	888 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	889 CHECK_VALID(-1);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	890
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	891 if (PyIndex_Check(item)) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	892 Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	893 const char *buf;
42951 9620134010a5 Improve extended slicing support in builtin types and classes. Specifically: Thomas Wouters <thomas@python.org> parents: 42333 diff changeset	894
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	895 if (i == -1 && PyErr_Occurred())
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	896 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	897 if (i < 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	898 i += self->size;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	899 if (i < 0 \|\| (size_t)i >= self->size) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	900 PyErr_SetString(PyExc_IndexError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	901 "mmap index out of range");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	902 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	903 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	904 if (value == NULL) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	905 PyErr_SetString(PyExc_TypeError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	906 "mmap object doesn't support item deletion");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	907 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	908 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	909 if (!PyString_Check(value) \|\| PyString_Size(value) != 1) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	910 PyErr_SetString(PyExc_IndexError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	911 "mmap assignment must be single-character string");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	912 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	913 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	914 if (!is_writeable(self))
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	915 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	916 buf = PyString_AsString(value);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	917 self->data[i] = buf[0];
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	918 return 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	919 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	920 else if (PySlice_Check(item)) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	921 Py_ssize_t start, stop, step, slicelen;
42951 9620134010a5 Improve extended slicing support in builtin types and classes. Specifically: Thomas Wouters <thomas@python.org> parents: 42333 diff changeset	922
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	923 if (PySlice_GetIndicesEx((PySliceObject *)item,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	924 self->size, &start, &stop,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	925 &step, &slicelen) < 0) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	926 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	927 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	928 if (value == NULL) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	929 PyErr_SetString(PyExc_TypeError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	930 "mmap object doesn't support slice deletion");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	931 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	932 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	933 if (!PyString_Check(value)) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	934 PyErr_SetString(PyExc_IndexError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	935 "mmap slice assignment must be a string");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	936 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	937 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	938 if (PyString_Size(value) != slicelen) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	939 PyErr_SetString(PyExc_IndexError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	940 "mmap slice assignment is wrong size");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	941 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	942 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	943 if (!is_writeable(self))
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	944 return -1;
42951 9620134010a5 Improve extended slicing support in builtin types and classes. Specifically: Thomas Wouters <thomas@python.org> parents: 42333 diff changeset	945
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	946 if (slicelen == 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	947 return 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	948 else if (step == 1) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	949 const char *buf = PyString_AsString(value);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	950
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	951 if (buf == NULL)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	952 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	953 memcpy(self->data + start, buf, slicelen);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	954 return 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	955 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	956 else {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	957 Py_ssize_t cur, i;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	958 const char *buf = PyString_AsString(value);
42951 9620134010a5 Improve extended slicing support in builtin types and classes. Specifically: Thomas Wouters <thomas@python.org> parents: 42333 diff changeset	959
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	960 if (buf == NULL)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	961 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	962 for (cur = start, i = 0; i < slicelen;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	963 cur += step, i++) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	964 self->data[cur] = buf[i];
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	965 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	966 return 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	967 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	968 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	969 else {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	970 PyErr_SetString(PyExc_TypeError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	971 "mmap indices must be integer");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	972 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	973 }
42951 9620134010a5 Improve extended slicing support in builtin types and classes. Specifically: Thomas Wouters <thomas@python.org> parents: 42333 diff changeset	974 }
9620134010a5 Improve extended slicing support in builtin types and classes. Specifically: Thomas Wouters <thomas@python.org> parents: 42333 diff changeset	975
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	976 static PySequenceMethods mmap_as_sequence = {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	977 (lenfunc)mmap_length, /sq_length/
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	978 (binaryfunc)mmap_concat, /sq_concat/
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	979 (ssizeargfunc)mmap_repeat, /sq_repeat/
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	980 (ssizeargfunc)mmap_item, /sq_item/
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	981 (ssizessizeargfunc)mmap_slice, /sq_slice/
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	982 (ssizeobjargproc)mmap_ass_item, /sq_ass_item/
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	983 (ssizessizeobjargproc)mmap_ass_slice, /sq_ass_slice/
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	984 };
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	985
42951 9620134010a5 Improve extended slicing support in builtin types and classes. Specifically: Thomas Wouters <thomas@python.org> parents: 42333 diff changeset	986 static PyMappingMethods mmap_as_mapping = {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	987 (lenfunc)mmap_length,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	988 (binaryfunc)mmap_subscript,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	989 (objobjargproc)mmap_ass_subscript,
42951 9620134010a5 Improve extended slicing support in builtin types and classes. Specifically: Thomas Wouters <thomas@python.org> parents: 42333 diff changeset	990 };
9620134010a5 Improve extended slicing support in builtin types and classes. Specifically: Thomas Wouters <thomas@python.org> parents: 42333 diff changeset	991
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	992 static PyBufferProcs mmap_as_buffer = {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	993 (readbufferproc)mmap_buffer_getreadbuf,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	994 (writebufferproc)mmap_buffer_getwritebuf,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	995 (segcountproc)mmap_buffer_getsegcount,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	996 (charbufferproc)mmap_buffer_getcharbuffer,
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	997 };
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	998
44836 fabc688a08c6 #1087741: make mmap.mmap the type of mmap objects, not a Georg Brandl <georg@python.org> parents: 44827 diff changeset	999 static PyObject *
fabc688a08c6 #1087741: make mmap.mmap the type of mmap objects, not a Georg Brandl <georg@python.org> parents: 44827 diff changeset	1000 new_mmap_object(PyTypeObject type, PyObject args, PyObject *kwdict);
fabc688a08c6 #1087741: make mmap.mmap the type of mmap objects, not a Georg Brandl <georg@python.org> parents: 44827 diff changeset	1001
44827 eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1002 PyDoc_STRVAR(mmap_doc,
eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1003 "Windows: mmap(fileno, length[, tagname[, access[, offset]]])\n\
eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1004 \n\
eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1005 Maps length bytes from the file specified by the file handle fileno,\n\
eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1006 and returns a mmap object. If length is larger than the current size\n\
eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1007 of the file, the file is extended to contain length bytes. If length\n\
eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1008 is 0, the maximum length of the map is the current size of the file,\n\
eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1009 except that if the file is empty Windows raises an exception (you cannot\n\
eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1010 create an empty mapping on Windows).\n\
eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1011 \n\
eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1012 Unix: mmap(fileno, length[, flags[, prot[, access[, offset]]]])\n\
eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1013 \n\
eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1014 Maps length bytes from the file specified by the file descriptor fileno,\n\
eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1015 and returns a mmap object. If length is 0, the maximum length of the map\n\
eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1016 will be the current size of the file when mmap is called.\n\
eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1017 flags specifies the nature of the mapping. MAP_PRIVATE creates a\n\
eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1018 private copy-on-write mapping, so changes to the contents of the mmap\n\
48300 7f038a4700b1 Fix strange character in the docstring. Thomas Heller <theller@ctypes.org> parents: 48114 diff changeset	1019 object will be private to this process, and MAP_SHARED creates a mapping\n\
44827 eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1020 that's shared with all other processes mapping the same areas of the file.\n\
eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1021 The default value is MAP_SHARED.\n\
eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1022 \n\
eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1023 To map anonymous memory, pass -1 as the fileno (both versions).");
eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1024
eab00db80c27 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. Georg Brandl <georg@python.org> parents: 44774 diff changeset	1025
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1026 static PyTypeObject mmap_object_type = {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1027 PyVarObject_HEAD_INIT(NULL, 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1028 "mmap.mmap", /* tp_name */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1029 sizeof(mmap_object), /* tp_size */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1030 0, /* tp_itemsize */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1031 /* methods */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1032 (destructor) mmap_object_dealloc, /* tp_dealloc */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1033 0, /* tp_print */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1034 0, /* tp_getattr */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1035 0, /* tp_setattr */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1036 0, /* tp_compare */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1037 0, /* tp_repr */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1038 0, /* tp_as_number */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1039 &mmap_as_sequence, /tp_as_sequence/
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1040 &mmap_as_mapping, /tp_as_mapping/
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1041 0, /tp_hash/
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1042 0, /tp_call/
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1043 0, /tp_str/
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1044 PyObject_GenericGetAttr, /tp_getattro/
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1045 0, /tp_setattro/
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1046 &mmap_as_buffer, /tp_as_buffer/
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1047 Py_TPFLAGS_DEFAULT \| Py_TPFLAGS_BASETYPE \| Py_TPFLAGS_HAVE_GETCHARBUFFER, /tp_flags/
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1048 mmap_doc, /tp_doc/
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1049 0, /* tp_traverse */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1050 0, /* tp_clear */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1051 0, /* tp_richcompare */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1052 0, /* tp_weaklistoffset */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1053 0, /* tp_iter */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1054 0, /* tp_iternext */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1055 mmap_object_methods, /* tp_methods */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1056 0, /* tp_members */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1057 0, /* tp_getset */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1058 0, /* tp_base */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1059 0, /* tp_dict */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1060 0, /* tp_descr_get */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1061 0, /* tp_descr_set */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1062 0, /* tp_dictoffset */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1063 0, /* tp_init */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1064 PyType_GenericAlloc, /* tp_alloc */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1065 new_mmap_object, /* tp_new */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1066 PyObject_Del, /* tp_free */
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1067 };
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1068
12945 5d2fb67408a7 Patch from Trent Mick: Andrew M. Kuchling <amk@amk.ca> parents: 12944 diff changeset	1069
5d2fb67408a7 Patch from Trent Mick: Andrew M. Kuchling <amk@amk.ca> parents: 12944 diff changeset	1070 /* extract the map size from the given PyObject
5d2fb67408a7 Patch from Trent Mick: Andrew M. Kuchling <amk@amk.ca> parents: 12944 diff changeset	1071
13620 5b727ab37092 Spelling fixes supplied by Rob W. W. Hooft. All these are fixes in either Thomas Wouters <thomas@python.org> parents: 13463 diff changeset	1072 Returns -1 on error, with an appropriate Python exception raised. On
12945 5d2fb67408a7 Patch from Trent Mick: Andrew M. Kuchling <amk@amk.ca> parents: 12944 diff changeset	1073 success, the map size is returned. */
36541 f7f0d2a5b20b Remove size restrictions. Martin v. Löwis <martin@v.loewis.de> parents: 36540 diff changeset	1074 static Py_ssize_t
43640 04088abf4e4f Add phuang patch from Issue 708374 which adds offset parameter to mmap module. Travis E. Oliphant <oliphant@enthought.com> parents: 42951 diff changeset	1075 _GetMapSize(PyObject o, const char param)
12945 5d2fb67408a7 Patch from Trent Mick: Andrew M. Kuchling <amk@amk.ca> parents: 12944 diff changeset	1076 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1077 if (o == NULL)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1078 return 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1079 if (PyIndex_Check(o)) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1080 Py_ssize_t i = PyNumber_AsSsize_t(o, PyExc_OverflowError);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1081 if (i==-1 && PyErr_Occurred())
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1082 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1083 if (i < 0) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1084 PyErr_Format(PyExc_OverflowError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1085 "memory mapped %s must be positive",
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1086 param);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1087 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1088 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1089 return i;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1090 }
12945 5d2fb67408a7 Patch from Trent Mick: Andrew M. Kuchling <amk@amk.ca> parents: 12944 diff changeset	1091
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1092 PyErr_SetString(PyExc_TypeError, "map size must be an integral value");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1093 return -1;
12945 5d2fb67408a7 Patch from Trent Mick: Andrew M. Kuchling <amk@amk.ca> parents: 12944 diff changeset	1094 }
5d2fb67408a7 Patch from Trent Mick: Andrew M. Kuchling <amk@amk.ca> parents: 12944 diff changeset	1095
36537 fdabdf148336 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 36536 diff changeset	1096 #ifdef UNIX
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1097 static PyObject *
44836 fabc688a08c6 #1087741: make mmap.mmap the type of mmap objects, not a Georg Brandl <georg@python.org> parents: 44827 diff changeset	1098 new_mmap_object(PyTypeObject type, PyObject args, PyObject *kwdict)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1099 {
25130 368bc3a4919e SF bug # 585792, Invalid mmap crashes Python interpreter Neal Norwitz <nnorwitz@gmail.com> parents: 24363 diff changeset	1100 #ifdef HAVE_FSTAT
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1101 struct stat st;
25130 368bc3a4919e SF bug # 585792, Invalid mmap crashes Python interpreter Neal Norwitz <nnorwitz@gmail.com> parents: 24363 diff changeset	1102 #endif
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1103 mmap_object *m_obj;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1104 PyObject map_size_obj = NULL, offset_obj = NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1105 Py_ssize_t map_size, offset;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1106 int fd, flags = MAP_SHARED, prot = PROT_WRITE \| PROT_READ;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1107 int devzero = -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1108 int access = (int)ACCESS_DEFAULT;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1109 static char *keywords[] = {"fileno", "length",
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1110 "flags", "prot",
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1111 "access", "offset", NULL};
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1112
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1113 if (!PyArg_ParseTupleAndKeywords(args, kwdict, "iO\|iiiO", keywords,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1114 &fd, &map_size_obj, &flags, &prot,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1115 &access, &offset_obj))
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1116 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1117 map_size = _GetMapSize(map_size_obj, "size");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1118 if (map_size < 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1119 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1120 offset = _GetMapSize(offset_obj, "offset");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1121 if (offset < 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1122 return NULL;
20970 e167b82c6444 CVS patch #477161: New "access" keyword for mmap, from Jay T Miller. Tim Peters <tim.peters@gmail.com> parents: 20888 diff changeset	1123
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1124 if ((access != (int)ACCESS_DEFAULT) &&
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1125 ((flags != MAP_SHARED) \|\| (prot != (PROT_WRITE \| PROT_READ))))
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1126 return PyErr_Format(PyExc_ValueError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1127 "mmap can't specify both access and flags, prot.");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1128 switch ((access_mode)access) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1129 case ACCESS_READ:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1130 flags = MAP_SHARED;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1131 prot = PROT_READ;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1132 break;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1133 case ACCESS_WRITE:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1134 flags = MAP_SHARED;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1135 prot = PROT_READ \| PROT_WRITE;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1136 break;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1137 case ACCESS_COPY:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1138 flags = MAP_PRIVATE;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1139 prot = PROT_READ \| PROT_WRITE;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1140 break;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1141 case ACCESS_DEFAULT:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1142 /* use the specified or default values of flags and prot */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1143 break;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1144 default:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1145 return PyErr_Format(PyExc_ValueError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1146 "mmap invalid access parameter.");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1147 }
25130 368bc3a4919e SF bug # 585792, Invalid mmap crashes Python interpreter Neal Norwitz <nnorwitz@gmail.com> parents: 24363 diff changeset	1148
45358 a97689b3e742 Bug #2111: mmap segfaults when trying to write a block opened with PROT_READ Christian Heimes <christian@cheimes.de> parents: 44995 diff changeset	1149 if (prot == PROT_READ) {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1150 access = ACCESS_READ;
45358 a97689b3e742 Bug #2111: mmap segfaults when trying to write a block opened with PROT_READ Christian Heimes <christian@cheimes.de> parents: 44995 diff changeset	1151 }
a97689b3e742 Bug #2111: mmap segfaults when trying to write a block opened with PROT_READ Christian Heimes <christian@cheimes.de> parents: 44995 diff changeset	1152
25130 368bc3a4919e SF bug # 585792, Invalid mmap crashes Python interpreter Neal Norwitz <nnorwitz@gmail.com> parents: 24363 diff changeset	1153 #ifdef HAVE_FSTAT
28949 ac487a7f7f2c Patch #708495: Port more stuff to OpenVMS. Martin v. Löwis <martin@v.loewis.de> parents: 28558 diff changeset	1154 # ifdef __VMS
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1155 /* on OpenVMS we must ensure that all bytes are written to the file */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1156 if (fd != -1) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1157 fsync(fd);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1158 }
28949 ac487a7f7f2c Patch #708495: Port more stuff to OpenVMS. Martin v. Löwis <martin@v.loewis.de> parents: 28558 diff changeset	1159 # endif
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1160 if (fd != -1 && fstat(fd, &st) == 0 && S_ISREG(st.st_mode)) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1161 if (map_size == 0) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1162 map_size = st.st_size;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1163 } else if ((size_t)offset + (size_t)map_size > st.st_size) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1164 PyErr_SetString(PyExc_ValueError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1165 "mmap length is greater than file size");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1166 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1167 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1168 }
25130 368bc3a4919e SF bug # 585792, Invalid mmap crashes Python interpreter Neal Norwitz <nnorwitz@gmail.com> parents: 24363 diff changeset	1169 #endif
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1170 m_obj = (mmap_object *)type->tp_alloc(type, 0);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1171 if (m_obj == NULL) {return NULL;}
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1172 m_obj->data = NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1173 m_obj->size = (size_t) map_size;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1174 m_obj->pos = (size_t) 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1175 m_obj->offset = offset;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1176 if (fd == -1) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1177 m_obj->fd = -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1178 /* Assume the caller wants to map anonymous memory.
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1179 This is the same behaviour as Windows. mmap.mmap(-1, size)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1180 on both Windows and Unix map anonymous memory.
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1181 */
36446 02f0744a9cd0 Patch #1407135, bug #1424041, make mmap.mmap(-1, length) work the same Neal Norwitz <nnorwitz@gmail.com> parents: 36445 diff changeset	1182 #ifdef MAP_ANONYMOUS
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1183 /* BSD way to map anonymous memory */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1184 flags \|= MAP_ANONYMOUS;
36446 02f0744a9cd0 Patch #1407135, bug #1424041, make mmap.mmap(-1, length) work the same Neal Norwitz <nnorwitz@gmail.com> parents: 36445 diff changeset	1185 #else
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1186 /* SVR4 method to map anonymous memory is to open /dev/zero */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1187 fd = devzero = open("/dev/zero", O_RDWR);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1188 if (devzero == -1) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1189 Py_DECREF(m_obj);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1190 PyErr_SetFromErrno(mmap_module_error);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1191 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1192 }
36446 02f0744a9cd0 Patch #1407135, bug #1424041, make mmap.mmap(-1, length) work the same Neal Norwitz <nnorwitz@gmail.com> parents: 36445 diff changeset	1193 #endif
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1194 } else {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1195 m_obj->fd = dup(fd);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1196 if (m_obj->fd == -1) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1197 Py_DECREF(m_obj);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1198 PyErr_SetFromErrno(mmap_module_error);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1199 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1200 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1201 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1202
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1203 m_obj->data = mmap(NULL, map_size,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1204 prot, flags,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1205 fd, offset);
36446 02f0744a9cd0 Patch #1407135, bug #1424041, make mmap.mmap(-1, length) work the same Neal Norwitz <nnorwitz@gmail.com> parents: 36445 diff changeset	1206
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1207 if (devzero != -1) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1208 close(devzero);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1209 }
36446 02f0744a9cd0 Patch #1407135, bug #1424041, make mmap.mmap(-1, length) work the same Neal Norwitz <nnorwitz@gmail.com> parents: 36445 diff changeset	1210
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1211 if (m_obj->data == (char *)-1) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1212 m_obj->data = NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1213 Py_DECREF(m_obj);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1214 PyErr_SetFromErrno(mmap_module_error);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1215 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1216 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1217 m_obj->access = (access_mode)access;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1218 return (PyObject *)m_obj;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1219 }
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1220 #endif /* UNIX */
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1221
24071 8142f8d668a0 Patch #569753: Remove support for WIN16. Martin v. Löwis <martin@v.loewis.de> parents: 22177 diff changeset	1222 #ifdef MS_WINDOWS
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1223 static PyObject *
44836 fabc688a08c6 #1087741: make mmap.mmap the type of mmap objects, not a Georg Brandl <georg@python.org> parents: 44827 diff changeset	1224 new_mmap_object(PyTypeObject type, PyObject args, PyObject *kwdict)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1225 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1226 mmap_object *m_obj;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1227 PyObject map_size_obj = NULL, offset_obj = NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1228 Py_ssize_t map_size, offset;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1229 DWORD off_hi; /* upper 32 bits of offset */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1230 DWORD off_lo; /* lower 32 bits of offset */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1231 DWORD size_hi; /* upper 32 bits of size */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1232 DWORD size_lo; /* lower 32 bits of size */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1233 char *tagname = "";
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1234 DWORD dwErr = 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1235 int fileno;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1236 HANDLE fh = 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1237 int access = (access_mode)ACCESS_DEFAULT;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1238 DWORD flProtect, dwDesiredAccess;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1239 static char *keywords[] = { "fileno", "length",
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1240 "tagname",
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1241 "access", "offset", NULL };
12146 e8c30e69666b Hacked for Win32 by Mark Hammond. Guido van Rossum <guido@python.org> parents: 12120 diff changeset	1242
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1243 if (!PyArg_ParseTupleAndKeywords(args, kwdict, "iO\|ziO", keywords,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1244 &fileno, &map_size_obj,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1245 &tagname, &access, &offset_obj)) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1246 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1247 }
20970 e167b82c6444 CVS patch #477161: New "access" keyword for mmap, from Jay T Miller. Tim Peters <tim.peters@gmail.com> parents: 20888 diff changeset	1248
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1249 switch((access_mode)access) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1250 case ACCESS_READ:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1251 flProtect = PAGE_READONLY;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1252 dwDesiredAccess = FILE_MAP_READ;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1253 break;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1254 case ACCESS_DEFAULT: case ACCESS_WRITE:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1255 flProtect = PAGE_READWRITE;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1256 dwDesiredAccess = FILE_MAP_WRITE;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1257 break;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1258 case ACCESS_COPY:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1259 flProtect = PAGE_WRITECOPY;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1260 dwDesiredAccess = FILE_MAP_COPY;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1261 break;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1262 default:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1263 return PyErr_Format(PyExc_ValueError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1264 "mmap invalid access parameter.");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1265 }
20970 e167b82c6444 CVS patch #477161: New "access" keyword for mmap, from Jay T Miller. Tim Peters <tim.peters@gmail.com> parents: 20888 diff changeset	1266
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1267 map_size = _GetMapSize(map_size_obj, "size");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1268 if (map_size < 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1269 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1270 offset = _GetMapSize(offset_obj, "offset");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1271 if (offset < 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1272 return NULL;
36537 fdabdf148336 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 36536 diff changeset	1273
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1274 /* assume -1 and 0 both mean invalid filedescriptor
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1275 to 'anonymously' map memory.
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1276 XXX: fileno == 0 is a valid fd, but was accepted prior to 2.5.
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1277 XXX: Should this code be added?
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1278 if (fileno == 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1279 PyErr_Warn(PyExc_DeprecationWarning,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1280 "don't use 0 for anonymous memory");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1281 */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1282 if (fileno != -1 && fileno != 0) {
63426 e3165eeaa700 Merged revisions 83407 via svnmerge from Brian Curtin <brian.curtin@gmail.com> parents: 61463 diff changeset	1283 /* Ensure that fileno is within the CRT's valid range */
e3165eeaa700 Merged revisions 83407 via svnmerge from Brian Curtin <brian.curtin@gmail.com> parents: 61463 diff changeset	1284 if (_PyVerify_fd(fileno) == 0) {
e3165eeaa700 Merged revisions 83407 via svnmerge from Brian Curtin <brian.curtin@gmail.com> parents: 61463 diff changeset	1285 PyErr_SetFromErrno(mmap_module_error);
e3165eeaa700 Merged revisions 83407 via svnmerge from Brian Curtin <brian.curtin@gmail.com> parents: 61463 diff changeset	1286 return NULL;
e3165eeaa700 Merged revisions 83407 via svnmerge from Brian Curtin <brian.curtin@gmail.com> parents: 61463 diff changeset	1287 }
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1288 fh = (HANDLE)_get_osfhandle(fileno);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1289 if (fh==(HANDLE)-1) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1290 PyErr_SetFromErrno(mmap_module_error);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1291 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1292 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1293 /* Win9x appears to need us seeked to zero */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1294 lseek(fileno, 0, SEEK_SET);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1295 }
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1296
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1297 m_obj = (mmap_object *)type->tp_alloc(type, 0);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1298 if (m_obj == NULL)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1299 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1300 /* Set every field to an invalid marker, so we can safely
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1301 destruct the object in the face of failure */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1302 m_obj->data = NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1303 m_obj->file_handle = INVALID_HANDLE_VALUE;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1304 m_obj->map_handle = NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1305 m_obj->tagname = NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1306 m_obj->offset = offset;
13757 67b9b05ce5a5 Fixes for Windows (but also tested on Linux). Test suite now completes, and this module should not leak in the face of errors. Mark Hammond <mhammond@skippinet.com.au> parents: 13620 diff changeset	1307
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1308 if (fh) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1309 /* It is necessary to duplicate the handle, so the
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1310 Python code can close it on us */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1311 if (!DuplicateHandle(
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1312 GetCurrentProcess(), /* source process handle */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1313 fh, /* handle to be duplicated */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1314 GetCurrentProcess(), /* target proc handle */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1315 (LPHANDLE)&m_obj->file_handle, /* result */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1316 0, /* access - ignored due to options value */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1317 FALSE, /* inherited by child processes? */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1318 DUPLICATE_SAME_ACCESS)) { /* options */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1319 dwErr = GetLastError();
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1320 Py_DECREF(m_obj);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1321 PyErr_SetFromWindowsErr(dwErr);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1322 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1323 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1324 if (!map_size) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1325 DWORD low,high;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1326 low = GetFileSize(fh, &high);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1327 /* low might just happen to have the value INVALID_FILE_SIZE;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1328 so we need to check the last error also. */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1329 if (low == INVALID_FILE_SIZE &&
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1330 (dwErr = GetLastError()) != NO_ERROR) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1331 Py_DECREF(m_obj);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1332 return PyErr_SetFromWindowsErr(dwErr);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1333 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1334
36564 8de58246fef8 Fix size computation on Win64. Martin v. Löwis <martin@v.loewis.de> parents: 36550 diff changeset	1335 #if SIZEOF_SIZE_T > 4
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1336 m_obj->size = (((size_t)high)<<32) + low;
36564 8de58246fef8 Fix size computation on Win64. Martin v. Löwis <martin@v.loewis.de> parents: 36550 diff changeset	1337 #else
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1338 if (high)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1339 /* File is too large to map completely */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1340 m_obj->size = (size_t)-1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1341 else
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1342 m_obj->size = low;
36564 8de58246fef8 Fix size computation on Win64. Martin v. Löwis <martin@v.loewis.de> parents: 36550 diff changeset	1343 #endif
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1344 } else {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1345 m_obj->size = map_size;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1346 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1347 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1348 else {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1349 m_obj->size = map_size;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1350 }
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1351
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1352 /* set the initial position */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1353 m_obj->pos = (size_t) 0;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1354
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1355 /* set the tag name */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1356 if (tagname != NULL && *tagname != '\0') {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1357 m_obj->tagname = PyMem_Malloc(strlen(tagname)+1);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1358 if (m_obj->tagname == NULL) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1359 PyErr_NoMemory();
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1360 Py_DECREF(m_obj);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1361 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1362 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1363 strcpy(m_obj->tagname, tagname);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1364 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1365 else
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1366 m_obj->tagname = NULL;
13757 67b9b05ce5a5 Fixes for Windows (but also tested on Linux). Test suite now completes, and this module should not leak in the face of errors. Mark Hammond <mhammond@skippinet.com.au> parents: 13620 diff changeset	1367
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1368 m_obj->access = (access_mode)access;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1369 /* DWORD is a 4-byte int. If we're on a box where size_t consumes
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1370 * more than 4 bytes, we need to break it apart. Else (size_t
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1371 * consumes 4 bytes), C doesn't define what happens if we shift
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1372 * right by 32, so we need different code.
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1373 */
36536 c06ee0c91209 new_mmap_object(), Windows flavor. Tim Peters <tim.peters@gmail.com> parents: 36535 diff changeset	1374 #if SIZEOF_SIZE_T > 4
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1375 size_hi = (DWORD)((offset + m_obj->size) >> 32);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1376 size_lo = (DWORD)((offset + m_obj->size) & 0xFFFFFFFF);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1377 off_hi = (DWORD)(offset >> 32);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1378 off_lo = (DWORD)(offset & 0xFFFFFFFF);
36536 c06ee0c91209 new_mmap_object(), Windows flavor. Tim Peters <tim.peters@gmail.com> parents: 36535 diff changeset	1379 #else
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1380 size_hi = 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1381 size_lo = (DWORD)(offset + m_obj->size);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1382 off_hi = 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1383 off_lo = (DWORD)offset;
36536 c06ee0c91209 new_mmap_object(), Windows flavor. Tim Peters <tim.peters@gmail.com> parents: 36535 diff changeset	1384 #endif
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1385 /* For files, it would be sufficient to pass 0 as size.
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1386 For anonymous maps, we have to pass the size explicitly. */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1387 m_obj->map_handle = CreateFileMapping(m_obj->file_handle,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1388 NULL,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1389 flProtect,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1390 size_hi,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1391 size_lo,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1392 m_obj->tagname);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1393 if (m_obj->map_handle != NULL) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1394 m_obj->data = (char *) MapViewOfFile(m_obj->map_handle,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1395 dwDesiredAccess,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1396 off_hi,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1397 off_lo,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1398 m_obj->size);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1399 if (m_obj->data != NULL)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1400 return (PyObject *)m_obj;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1401 else {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1402 dwErr = GetLastError();
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1403 CloseHandle(m_obj->map_handle);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1404 m_obj->map_handle = NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1405 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1406 } else
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1407 dwErr = GetLastError();
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1408 Py_DECREF(m_obj);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1409 PyErr_SetFromWindowsErr(dwErr);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1410 return NULL;
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1411 }
24071 8142f8d668a0 Patch #569753: Remove support for WIN16. Martin v. Löwis <martin@v.loewis.de> parents: 22177 diff changeset	1412 #endif /* MS_WINDOWS */
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1413
39470 daedaacf7e11 Check return result of PyModule_GetDict(). Neal Norwitz <nnorwitz@gmail.com> parents: 39463 diff changeset	1414 static void
daedaacf7e11 Check return result of PyModule_GetDict(). Neal Norwitz <nnorwitz@gmail.com> parents: 39463 diff changeset	1415 setint(PyObject d, const char name, long value)
daedaacf7e11 Check return result of PyModule_GetDict(). Neal Norwitz <nnorwitz@gmail.com> parents: 39463 diff changeset	1416 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1417 PyObject *o = PyInt_FromLong(value);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1418 if (o && PyDict_SetItemString(d, name, o) == 0) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1419 Py_DECREF(o);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1420 }
39470 daedaacf7e11 Check return result of PyModule_GetDict(). Neal Norwitz <nnorwitz@gmail.com> parents: 39463 diff changeset	1421 }
daedaacf7e11 Check return result of PyModule_GetDict(). Neal Norwitz <nnorwitz@gmail.com> parents: 39463 diff changeset	1422
24363 979ff5d0ae07 Replace DL_IMPORT with PyMODINIT_FUNC and remove "/export:init..." link Mark Hammond <mhammond@skippinet.com.au> parents: 24071 diff changeset	1423 PyMODINIT_FUNC
44836 fabc688a08c6 #1087741: make mmap.mmap the type of mmap objects, not a Georg Brandl <georg@python.org> parents: 44827 diff changeset	1424 initmmap(void)
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1425 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1426 PyObject dict, module;
15851 a3c1a234cee7 SF bug 128713: type(mmap_object) blew up on Linux. Tim Peters <tim.peters@gmail.com> parents: 15803 diff changeset	1427
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1428 if (PyType_Ready(&mmap_object_type) < 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1429 return;
15851 a3c1a234cee7 SF bug 128713: type(mmap_object) blew up on Linux. Tim Peters <tim.peters@gmail.com> parents: 15803 diff changeset	1430
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1431 module = Py_InitModule("mmap", NULL);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1432 if (module == NULL)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1433 return;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1434 dict = PyModule_GetDict(module);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1435 if (!dict)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1436 return;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1437 mmap_module_error = PyErr_NewException("mmap.error",
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1438 PyExc_EnvironmentError , NULL);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1439 if (mmap_module_error == NULL)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1440 return;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1441 PyDict_SetItemString(dict, "error", mmap_module_error);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1442 PyDict_SetItemString(dict, "mmap", (PyObject*) &mmap_object_type);
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1443 #ifdef PROT_EXEC
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1444 setint(dict, "PROT_EXEC", PROT_EXEC);
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1445 #endif
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1446 #ifdef PROT_READ
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1447 setint(dict, "PROT_READ", PROT_READ);
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1448 #endif
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1449 #ifdef PROT_WRITE
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1450 setint(dict, "PROT_WRITE", PROT_WRITE);
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1451 #endif
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1452
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1453 #ifdef MAP_SHARED
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1454 setint(dict, "MAP_SHARED", MAP_SHARED);
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1455 #endif
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1456 #ifdef MAP_PRIVATE
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1457 setint(dict, "MAP_PRIVATE", MAP_PRIVATE);
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1458 #endif
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1459 #ifdef MAP_DENYWRITE
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1460 setint(dict, "MAP_DENYWRITE", MAP_DENYWRITE);
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1461 #endif
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1462 #ifdef MAP_EXECUTABLE
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1463 setint(dict, "MAP_EXECUTABLE", MAP_EXECUTABLE);
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1464 #endif
36446 02f0744a9cd0 Patch #1407135, bug #1424041, make mmap.mmap(-1, length) work the same Neal Norwitz <nnorwitz@gmail.com> parents: 36445 diff changeset	1465 #ifdef MAP_ANONYMOUS
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1466 setint(dict, "MAP_ANON", MAP_ANONYMOUS);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1467 setint(dict, "MAP_ANONYMOUS", MAP_ANONYMOUS);
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1468 #endif
ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1469
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1470 setint(dict, "PAGESIZE", (long)my_getpagesize());
20970 e167b82c6444 CVS patch #477161: New "access" keyword for mmap, from Jay T Miller. Tim Peters <tim.peters@gmail.com> parents: 20888 diff changeset	1471
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1472 setint(dict, "ALLOCATIONGRANULARITY", (long)my_getallocationgranularity());
43640 04088abf4e4f Add phuang patch from Issue 708374 which adds offset parameter to mmap module. Travis E. Oliphant <oliphant@enthought.com> parents: 42951 diff changeset	1473
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1474 setint(dict, "ACCESS_READ", ACCESS_READ);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1475 setint(dict, "ACCESS_WRITE", ACCESS_WRITE);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 54966 diff changeset	1476 setint(dict, "ACCESS_COPY", ACCESS_COPY);
12120 ec58b503b670 Added mmap module -- map a view of a file into memory on Win32 and Unix. Andrew M. Kuchling <amk@amk.ca> parents: diff changeset	1477 }

Mercurial > cpython-lru_cache-weakref

annotate Modules/mmapmodule.c @ 65035:87f4b32905df 2.7