cpython-lru_cache-weakref: Python/fileutils.c annotate

annotate Python/fileutils.c @ 81259:4bf19545c016

Null merge 3.3 (fix already applied to default, it was a backport)

author	Victor Stinner <victor.stinner@gmail.com>
date	Thu, 03 Jan 2013 01:21:44 +0100
parents	c25635b137cc 5bb289e4fb35
children	c044029ede9d

rev	line source
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	1 #include "Python.h"
80406 5db6d9ddf6e8 Issue #15835: Define PATH_MAX on HP-UX. Stefan Krah <skrah@bytereef.org> parents: 75353 diff changeset	2 #include "osdefs.h"
65164 1f3919af8a53 Fix fileutils for Windows Victor Stinner <victor.stinner@haypocalc.com> parents: 65163 diff changeset	3 #ifdef MS_WINDOWS
1f3919af8a53 Fix fileutils for Windows Victor Stinner <victor.stinner@haypocalc.com> parents: 65163 diff changeset	4 # include <windows.h>
1f3919af8a53 Fix fileutils for Windows Victor Stinner <victor.stinner@haypocalc.com> parents: 65163 diff changeset	5 #endif
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	6
81257 c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	7 #ifdef HAVE_LANGINFO_H
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	8 #include <locale.h>
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	9 #include <langinfo.h>
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	10 #endif
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	11
80702 c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	12 #ifdef __APPLE__
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	13 extern wchar_t* _Py_DecodeUTF8_surrogateescape(const char *s, Py_ssize_t size);
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	14 #endif
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	15
75353 c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	16 PyObject *
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	17 _Py_device_encoding(int fd)
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	18 {
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	19 #if defined(MS_WINDOWS) \|\| defined(MS_WIN64)
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	20 UINT cp;
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	21 #endif
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	22 if (!_PyVerify_fd(fd) \|\| !isatty(fd)) {
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	23 Py_RETURN_NONE;
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	24 }
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	25 #if defined(MS_WINDOWS) \|\| defined(MS_WIN64)
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	26 if (fd == 0)
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	27 cp = GetConsoleCP();
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	28 else if (fd == 1 \|\| fd == 2)
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	29 cp = GetConsoleOutputCP();
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	30 else
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	31 cp = 0;
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	32 /* GetConsoleCP() and GetConsoleOutputCP() return 0 if the application
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	33 has no console */
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	34 if (cp != 0)
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	35 return PyUnicode_FromFormat("cp%u", (unsigned int)cp);
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	36 #elif defined(CODESET)
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	37 {
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	38 char *codeset = nl_langinfo(CODESET);
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	39 if (codeset != NULL && codeset[0] != 0)
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	40 return PyUnicode_FromString(codeset);
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	41 }
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	42 #endif
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	43 Py_RETURN_NONE;
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	44 }
c80d9a0bd5a0 Issue #14153 Create _Py_device_encoding() to prevent _io from having to import Brett Cannon <brett@python.org> parents: 74129 diff changeset	45
81257 c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	46 #if !defined(__APPLE__) && !defined(MS_WINDOWS)
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	47 extern int _Py_normalize_encoding(const char , char , size_t);
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	48
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	49 /* Workaround FreeBSD and OpenIndiana locale encoding issue with the C locale.
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	50 On these operating systems, nl_langinfo(CODESET) announces an alias of the
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	51 ASCII encoding, whereas mbstowcs() and wcstombs() functions use the
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	52 ISO-8859-1 encoding. The problem is that os.fsencode() and os.fsdecode() use
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	53 locale.getpreferredencoding() codec. For example, if command line arguments
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	54 are decoded by mbstowcs() and encoded back by os.fsencode(), we get a
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	55 UnicodeEncodeError instead of retrieving the original byte string.
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	56
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	57 The workaround is enabled if setlocale(LC_CTYPE, NULL) returns "C",
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	58 nl_langinfo(CODESET) announces "ascii" (or an alias to ASCII), and at least
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	59 one byte in range 0x80-0xff can be decoded from the locale encoding. The
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	60 workaround is also enabled on error, for example if getting the locale
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	61 failed.
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	62
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	63 Values of locale_is_ascii:
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	64
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	65 1: the workaround is used: _Py_wchar2char() uses
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	66 encode_ascii_surrogateescape() and _Py_char2wchar() uses
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	67 decode_ascii_surrogateescape()
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	68 0: the workaround is not used: _Py_wchar2char() uses wcstombs() and
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	69 _Py_char2wchar() uses mbstowcs()
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	70 -1: unknown, need to call check_force_ascii() to get the value
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	71 */
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	72 static int force_ascii = -1;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	73
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	74 static int
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	75 check_force_ascii(void)
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	76 {
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	77 char *loc;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	78 #if defined(HAVE_LANGINFO_H) && defined(CODESET)
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	79 char codeset, *alias;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	80 char encoding[100];
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	81 int is_ascii;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	82 unsigned int i;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	83 char* ascii_aliases[] = {
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	84 "ascii",
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	85 "646",
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	86 "ansi-x3.4-1968",
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	87 "ansi-x3-4-1968",
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	88 "ansi-x3.4-1986",
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	89 "cp367",
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	90 "csascii",
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	91 "ibm367",
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	92 "iso646-us",
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	93 "iso-646.irv-1991",
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	94 "iso-ir-6",
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	95 "us",
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	96 "us-ascii",
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	97 NULL
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	98 };
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	99 #endif
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	100
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	101 loc = setlocale(LC_CTYPE, NULL);
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	102 if (loc == NULL)
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	103 goto error;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	104 if (strcmp(loc, "C") != 0) {
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	105 /* the LC_CTYPE locale is different than C */
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	106 return 0;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	107 }
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	108
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	109 #if defined(HAVE_LANGINFO_H) && defined(CODESET)
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	110 codeset = nl_langinfo(CODESET);
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	111 if (!codeset \|\| codeset[0] == '\0') {
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	112 /* CODESET is not set or empty */
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	113 goto error;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	114 }
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	115 if (!_Py_normalize_encoding(codeset, encoding, sizeof(encoding)))
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	116 goto error;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	117
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	118 is_ascii = 0;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	119 for (alias=ascii_aliases; *alias != NULL; alias++) {
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	120 if (strcmp(encoding, *alias) == 0) {
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	121 is_ascii = 1;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	122 break;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	123 }
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	124 }
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	125 if (!is_ascii) {
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	126 /* nl_langinfo(CODESET) is not "ascii" or an alias of ASCII */
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	127 return 0;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	128 }
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	129
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	130 for (i=0x80; i<0xff; i++) {
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	131 unsigned char ch;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	132 wchar_t wch;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	133 size_t res;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	134
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	135 ch = (unsigned char)i;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	136 res = mbstowcs(&wch, (char*)&ch, 1);
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	137 if (res != (size_t)-1) {
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	138 /* decoding a non-ASCII character from the locale encoding succeed:
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	139 the locale encoding is not ASCII, force ASCII */
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	140 return 1;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	141 }
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	142 }
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	143 /* None of the bytes in the range 0x80-0xff can be decoded from the locale
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	144 encoding: the locale encoding is really ASCII */
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	145 return 0;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	146 #else
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	147 /* nl_langinfo(CODESET) is not available: always force ASCII */
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	148 return 1;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	149 #endif
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	150
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	151 error:
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	152 /* if an error occured, force the ASCII encoding */
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	153 return 1;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	154 }
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	155
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	156 static char*
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	157 encode_ascii_surrogateescape(const wchar_t text, size_t error_pos)
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	158 {
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	159 char result = NULL, out;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	160 size_t len, i;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	161 wchar_t ch;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	162
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	163 if (error_pos != NULL)
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	164 *error_pos = (size_t)-1;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	165
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	166 len = wcslen(text);
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	167
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	168 result = PyMem_Malloc(len + 1); /* +1 for NUL byte */
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	169 if (result == NULL)
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	170 return NULL;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	171
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	172 out = result;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	173 for (i=0; i<len; i++) {
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	174 ch = text[i];
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	175
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	176 if (ch <= 0x7f) {
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	177 /* ASCII character */
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	178 *out++ = (char)ch;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	179 }
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	180 else if (0xdc80 <= ch && ch <= 0xdcff) {
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	181 /* UTF-8b surrogate */
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	182 *out++ = (char)(ch - 0xdc00);
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	183 }
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	184 else {
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	185 if (error_pos != NULL)
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	186 *error_pos = i;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	187 PyMem_Free(result);
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	188 return NULL;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	189 }
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	190 }
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	191 *out = '\0';
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	192 return result;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	193 }
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	194 #endif /* !defined(__APPLE__) && !defined(MS_WINDOWS) */
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	195
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	196 #if !defined(__APPLE__) && (!defined(MS_WINDOWS) \|\| !defined(HAVE_MBRTOWC))
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	197 static wchar_t*
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	198 decode_ascii_surrogateescape(const char arg, size_t size)
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	199 {
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	200 wchar_t *res;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	201 unsigned char *in;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	202 wchar_t *out;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	203
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	204 res = PyMem_Malloc((strlen(arg)+1)*sizeof(wchar_t));
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	205 if (!res)
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	206 return NULL;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	207
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	208 in = (unsigned char*)arg;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	209 out = res;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	210 while(*in)
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	211 if(*in < 128)
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	212 out++ = in++;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	213 else
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	214 out++ = 0xdc00 + in++;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	215 *out = 0;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	216 if (size != NULL)
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	217 *size = out - res;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	218 return res;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	219 }
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	220 #endif
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	221
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	222
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	223 /* Decode a byte string from the locale encoding with the
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	224 surrogateescape error handler (undecodable bytes are decoded as characters
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	225 in range U+DC80..U+DCFF). If a byte sequence can be decoded as a surrogate
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	226 character, escape the bytes using the surrogateescape error handler instead
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	227 of decoding them.
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	228
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	229 Use _Py_wchar2char() to encode the character string back to a byte string.
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	230
65412 3794c9b50824 Add an optional size argument to _Py_char2wchar() Victor Stinner <victor.stinner@haypocalc.com> parents: 65411 diff changeset	231 Return a pointer to a newly allocated wide character string (use
3794c9b50824 Add an optional size argument to _Py_char2wchar() Victor Stinner <victor.stinner@haypocalc.com> parents: 65411 diff changeset	232 PyMem_Free() to free the memory) and write the number of written wide
3794c9b50824 Add an optional size argument to _Py_char2wchar() Victor Stinner <victor.stinner@haypocalc.com> parents: 65411 diff changeset	233 characters excluding the null character into *size if size is not NULL, or
74002 279b0aee0cfb Add PyUnicode_DecodeLocaleAndSize() and PyUnicode_DecodeLocale() Victor Stinner <victor.stinner@haypocalc.com> parents: 73593 diff changeset	234 NULL on error (decoding or memory allocation error). If size is not NULL,
279b0aee0cfb Add PyUnicode_DecodeLocaleAndSize() and PyUnicode_DecodeLocale() Victor Stinner <victor.stinner@haypocalc.com> parents: 73593 diff changeset	235 *size is set to (size_t)-1 on memory error and (size_t)-2 on decoding
279b0aee0cfb Add PyUnicode_DecodeLocaleAndSize() and PyUnicode_DecodeLocale() Victor Stinner <victor.stinner@haypocalc.com> parents: 73593 diff changeset	236 error.
66094 76a1c5e88352 _Py_char2wchar() frees the memory on conversion error Victor Stinner <victor.stinner@haypocalc.com> parents: 66092 diff changeset	237
76a1c5e88352 _Py_char2wchar() frees the memory on conversion error Victor Stinner <victor.stinner@haypocalc.com> parents: 66092 diff changeset	238 Conversion errors should never happen, unless there is a bug in the C
76a1c5e88352 _Py_char2wchar() frees the memory on conversion error Victor Stinner <victor.stinner@haypocalc.com> parents: 66092 diff changeset	239 library. */
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	240 wchar_t*
65412 3794c9b50824 Add an optional size argument to _Py_char2wchar() Victor Stinner <victor.stinner@haypocalc.com> parents: 65411 diff changeset	241 _Py_char2wchar(const char* arg, size_t *size)
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	242 {
80702 c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	243 #ifdef __APPLE__
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	244 wchar_t *wstr;
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	245 wstr = _Py_DecodeUTF8_surrogateescape(arg, strlen(arg));
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	246 if (size != NULL) {
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	247 if (wstr != NULL)
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	248 *size = wcslen(wstr);
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	249 else
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	250 *size = (size_t)-1;
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	251 }
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	252 return wstr;
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	253 #else
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	254 wchar_t *res;
81257 c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	255 size_t argsize;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	256 size_t count;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	257 unsigned char *in;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	258 wchar_t *out;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	259 #ifdef HAVE_MBRTOWC
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	260 mbstate_t mbs;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	261 #endif
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	262
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	263 #ifndef MS_WINDOWS
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	264 if (force_ascii == -1)
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	265 force_ascii = check_force_ascii();
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	266
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	267 if (force_ascii) {
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	268 /* force ASCII encoding to workaround mbstowcs() issue */
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	269 res = decode_ascii_surrogateescape(arg, size);
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	270 if (res == NULL)
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	271 goto oom;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	272 return res;
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	273 }
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	274 #endif
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	275
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	276 #ifdef HAVE_BROKEN_MBSTOWCS
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	277 /* Some platforms have a broken implementation of
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	278 * mbstowcs which does not count the characters that
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	279 * would result from conversion. Use an upper bound.
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	280 */
81257 c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	281 argsize = strlen(arg);
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	282 #else
81257 c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	283 argsize = mbstowcs(NULL, arg, 0);
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	284 #endif
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	285 if (argsize != (size_t)-1) {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	286 res = (wchar_t )PyMem_Malloc((argsize+1)sizeof(wchar_t));
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	287 if (!res)
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	288 goto oom;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	289 count = mbstowcs(res, arg, argsize+1);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	290 if (count != (size_t)-1) {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	291 wchar_t *tmp;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	292 /* Only use the result if it contains no
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	293 surrogate characters. */
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	294 for (tmp = res; *tmp != 0 &&
80057 13dd8199c112 Issue #16330: Use surrogate-related macros Victor Stinner <victor.stinner@gmail.com> parents: 75353 diff changeset	295 !Py_UNICODE_IS_SURROGATE(*tmp); tmp++)
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	296 ;
65412 3794c9b50824 Add an optional size argument to _Py_char2wchar() Victor Stinner <victor.stinner@haypocalc.com> parents: 65411 diff changeset	297 if (*tmp == 0) {
3794c9b50824 Add an optional size argument to _Py_char2wchar() Victor Stinner <victor.stinner@haypocalc.com> parents: 65411 diff changeset	298 if (size != NULL)
3794c9b50824 Add an optional size argument to _Py_char2wchar() Victor Stinner <victor.stinner@haypocalc.com> parents: 65411 diff changeset	299 *size = count;
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	300 return res;
65412 3794c9b50824 Add an optional size argument to _Py_char2wchar() Victor Stinner <victor.stinner@haypocalc.com> parents: 65411 diff changeset	301 }
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	302 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	303 PyMem_Free(res);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	304 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	305 /* Conversion failed. Fall back to escaping with surrogateescape. */
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	306 #ifdef HAVE_MBRTOWC
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	307 /* Try conversion with mbrtwoc (C99), and escape non-decodable bytes. */
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	308
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	309 /* Overallocate; as multi-byte characters are in the argument, the
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	310 actual output could use less memory. */
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	311 argsize = strlen(arg) + 1;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	312 res = (wchar_t)PyMem_Malloc(argsizesizeof(wchar_t));
66094 76a1c5e88352 _Py_char2wchar() frees the memory on conversion error Victor Stinner <victor.stinner@haypocalc.com> parents: 66092 diff changeset	313 if (!res)
76a1c5e88352 _Py_char2wchar() frees the memory on conversion error Victor Stinner <victor.stinner@haypocalc.com> parents: 66092 diff changeset	314 goto oom;
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	315 in = (unsigned char*)arg;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	316 out = res;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	317 memset(&mbs, 0, sizeof mbs);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	318 while (argsize) {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	319 size_t converted = mbrtowc(out, (char*)in, argsize, &mbs);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	320 if (converted == 0)
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	321 /* Reached end of string; null char stored. */
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	322 break;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	323 if (converted == (size_t)-2) {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	324 /* Incomplete character. This should never happen,
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	325 since we provide everything that we have -
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	326 unless there is a bug in the C library, or I
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	327 misunderstood how mbrtowc works. */
66094 76a1c5e88352 _Py_char2wchar() frees the memory on conversion error Victor Stinner <victor.stinner@haypocalc.com> parents: 66092 diff changeset	328 PyMem_Free(res);
74002 279b0aee0cfb Add PyUnicode_DecodeLocaleAndSize() and PyUnicode_DecodeLocale() Victor Stinner <victor.stinner@haypocalc.com> parents: 73593 diff changeset	329 if (size != NULL)
279b0aee0cfb Add PyUnicode_DecodeLocaleAndSize() and PyUnicode_DecodeLocale() Victor Stinner <victor.stinner@haypocalc.com> parents: 73593 diff changeset	330 *size = (size_t)-2;
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	331 return NULL;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	332 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	333 if (converted == (size_t)-1) {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	334 /* Conversion error. Escape as UTF-8b, and start over
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	335 in the initial shift state. */
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	336 out++ = 0xdc00 + in++;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	337 argsize--;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	338 memset(&mbs, 0, sizeof mbs);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	339 continue;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	340 }
80057 13dd8199c112 Issue #16330: Use surrogate-related macros Victor Stinner <victor.stinner@gmail.com> parents: 75353 diff changeset	341 if (Py_UNICODE_IS_SURROGATE(*out)) {
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	342 /* Surrogate character. Escape the original
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	343 byte sequence with surrogateescape. */
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	344 argsize -= converted;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	345 while (converted--)
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	346 out++ = 0xdc00 + in++;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	347 continue;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	348 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	349 /* successfully converted some bytes */
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	350 in += converted;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	351 argsize -= converted;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	352 out++;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	353 }
81257 c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	354 if (size != NULL)
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	355 *size = out - res;
80702 c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	356 #else /* HAVE_MBRTOWC */
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	357 /* Cannot use C locale for escaping; manually escape as if charset
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	358 is ASCII (i.e. escape all bytes > 128. This will still roundtrip
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	359 correctly in the locale's charset, which must be an ASCII superset. */
81257 c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	360 res = decode_ascii_surrogateescape(arg, size);
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	361 if (res == NULL)
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	362 goto oom;
80702 c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	363 #endif /* HAVE_MBRTOWC */
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	364 return res;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	365 oom:
74002 279b0aee0cfb Add PyUnicode_DecodeLocaleAndSize() and PyUnicode_DecodeLocale() Victor Stinner <victor.stinner@haypocalc.com> parents: 73593 diff changeset	366 if (size != NULL)
279b0aee0cfb Add PyUnicode_DecodeLocaleAndSize() and PyUnicode_DecodeLocale() Victor Stinner <victor.stinner@haypocalc.com> parents: 73593 diff changeset	367 *size = (size_t)-1;
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	368 return NULL;
80702 c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	369 #endif /* __APPLE__ */
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	370 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	371
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	372 /* Encode a (wide) character string to the locale encoding with the
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	373 surrogateescape error handler (characters in range U+DC80..U+DCFF are
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	374 converted to bytes 0x80..0xFF).
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	375
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	376 This function is the reverse of _Py_char2wchar().
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	377
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	378 Return a pointer to a newly allocated byte string (use PyMem_Free() to free
74002 279b0aee0cfb Add PyUnicode_DecodeLocaleAndSize() and PyUnicode_DecodeLocale() Victor Stinner <victor.stinner@haypocalc.com> parents: 73593 diff changeset	379 the memory), or NULL on encoding or memory allocation error.
66092 1b5f47e2e0f0 PyUnicode_EncodeFS() raises an exception if _Py_wchar2char() fails Victor Stinner <victor.stinner@haypocalc.com> parents: 65412 diff changeset	380
1b5f47e2e0f0 PyUnicode_EncodeFS() raises an exception if _Py_wchar2char() fails Victor Stinner <victor.stinner@haypocalc.com> parents: 65412 diff changeset	381 If error_pos is not NULL: *error_pos is the index of the invalid character
74002 279b0aee0cfb Add PyUnicode_DecodeLocaleAndSize() and PyUnicode_DecodeLocale() Victor Stinner <victor.stinner@haypocalc.com> parents: 73593 diff changeset	382 on encoding error, or (size_t)-1 otherwise. */
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	383 char*
66092 1b5f47e2e0f0 PyUnicode_EncodeFS() raises an exception if _Py_wchar2char() fails Victor Stinner <victor.stinner@haypocalc.com> parents: 65412 diff changeset	384 _Py_wchar2char(const wchar_t text, size_t error_pos)
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	385 {
80702 c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	386 #ifdef __APPLE__
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	387 Py_ssize_t len;
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	388 PyObject unicode, bytes = NULL;
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	389 char *cpath;
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	390
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	391 unicode = PyUnicode_FromWideChar(text, wcslen(text));
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	392 if (unicode == NULL)
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	393 return NULL;
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	394
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	395 bytes = _PyUnicode_AsUTF8String(unicode, "surrogateescape");
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	396 Py_DECREF(unicode);
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	397 if (bytes == NULL) {
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	398 PyErr_Clear();
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	399 if (error_pos != NULL)
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	400 *error_pos = (size_t)-1;
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	401 return NULL;
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	402 }
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	403
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	404 len = PyBytes_GET_SIZE(bytes);
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	405 cpath = PyMem_Malloc(len+1);
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	406 if (cpath == NULL) {
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	407 PyErr_Clear();
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	408 Py_DECREF(bytes);
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	409 if (error_pos != NULL)
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	410 *error_pos = (size_t)-1;
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	411 return NULL;
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	412 }
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	413 memcpy(cpath, PyBytes_AsString(bytes), len + 1);
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	414 Py_DECREF(bytes);
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	415 return cpath;
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	416 #else /* __APPLE__ */
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	417 const size_t len = wcslen(text);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	418 char result = NULL, bytes = NULL;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	419 size_t i, size, converted;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	420 wchar_t c, buf[2];
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	421
81257 c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	422 #ifndef MS_WINDOWS
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	423 if (force_ascii == -1)
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	424 force_ascii = check_force_ascii();
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	425
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	426 if (force_ascii)
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	427 return encode_ascii_surrogateescape(text, error_pos);
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	428 #endif
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	429
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	430 /* The function works in two steps:
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	431 1. compute the length of the output buffer in bytes (size)
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	432 2. outputs the bytes */
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	433 size = 0;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	434 buf[1] = 0;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	435 while (1) {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	436 for (i=0; i < len; i++) {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	437 c = text[i];
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	438 if (c >= 0xdc80 && c <= 0xdcff) {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	439 /* UTF-8b surrogate */
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	440 if (bytes != NULL) {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	441 *bytes++ = c - 0xdc00;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	442 size--;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	443 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	444 else
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	445 size++;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	446 continue;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	447 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	448 else {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	449 buf[0] = c;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	450 if (bytes != NULL)
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	451 converted = wcstombs(bytes, buf, size);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	452 else
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	453 converted = wcstombs(NULL, buf, 0);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	454 if (converted == (size_t)-1) {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	455 if (result != NULL)
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	456 PyMem_Free(result);
66092 1b5f47e2e0f0 PyUnicode_EncodeFS() raises an exception if _Py_wchar2char() fails Victor Stinner <victor.stinner@haypocalc.com> parents: 65412 diff changeset	457 if (error_pos != NULL)
1b5f47e2e0f0 PyUnicode_EncodeFS() raises an exception if _Py_wchar2char() fails Victor Stinner <victor.stinner@haypocalc.com> parents: 65412 diff changeset	458 *error_pos = i;
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	459 return NULL;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	460 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	461 if (bytes != NULL) {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	462 bytes += converted;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	463 size -= converted;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	464 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	465 else
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	466 size += converted;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	467 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	468 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	469 if (result != NULL) {
81257 c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	470 *bytes = '\0';
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	471 break;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	472 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	473
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	474 size += 1; /* nul byte at the end */
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	475 result = PyMem_Malloc(size);
80702 c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	476 if (result == NULL) {
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	477 if (error_pos != NULL)
c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	478 *error_pos = (size_t)-1;
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	479 return NULL;
80702 c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	480 }
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	481 bytes = result;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	482 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	483 return result;
80702 c838c9b117f1 Issue #16416: On Mac OS X, operating system data are now always Victor Stinner <victor.stinner@gmail.com> parents: 66094 diff changeset	484 #endif /* __APPLE__ */
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	485 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	486
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	487 /* In principle, this should use HAVE__WSTAT, and _wstat
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	488 should be detected by autoconf. However, no current
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	489 POSIX system provides that function, so testing for
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	490 it is pointless.
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	491 Not sure whether the MS_WINDOWS guards are necessary:
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	492 perhaps for cygwin/mingw builds?
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	493 */
65164 1f3919af8a53 Fix fileutils for Windows Victor Stinner <victor.stinner@haypocalc.com> parents: 65163 diff changeset	494 #if defined(HAVE_STAT) && !defined(MS_WINDOWS)
65168 1c4774b4e98a fileutils.c: document which encodings are used Victor Stinner <victor.stinner@haypocalc.com> parents: 65166 diff changeset	495
1c4774b4e98a fileutils.c: document which encodings are used Victor Stinner <victor.stinner@haypocalc.com> parents: 65166 diff changeset	496 /* Get file status. Encode the path to the locale encoding. */
1c4774b4e98a fileutils.c: document which encodings are used Victor Stinner <victor.stinner@haypocalc.com> parents: 65166 diff changeset	497
65164 1f3919af8a53 Fix fileutils for Windows Victor Stinner <victor.stinner@haypocalc.com> parents: 65163 diff changeset	498 int
1f3919af8a53 Fix fileutils for Windows Victor Stinner <victor.stinner@haypocalc.com> parents: 65163 diff changeset	499 _Py_wstat(const wchar_t* path, struct stat *buf)
1f3919af8a53 Fix fileutils for Windows Victor Stinner <victor.stinner@haypocalc.com> parents: 65163 diff changeset	500 {
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	501 int err;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	502 char *fname;
66092 1b5f47e2e0f0 PyUnicode_EncodeFS() raises an exception if _Py_wchar2char() fails Victor Stinner <victor.stinner@haypocalc.com> parents: 65412 diff changeset	503 fname = _Py_wchar2char(path, NULL);
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	504 if (fname == NULL) {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	505 errno = EINVAL;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	506 return -1;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	507 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	508 err = stat(fname, buf);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	509 PyMem_Free(fname);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	510 return err;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	511 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	512 #endif
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	513
81257 c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	514 #ifdef HAVE_STAT
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	515
65168 1c4774b4e98a fileutils.c: document which encodings are used Victor Stinner <victor.stinner@haypocalc.com> parents: 65166 diff changeset	516 /* Call _wstat() on Windows, or encode the path to the filesystem encoding and
1c4774b4e98a fileutils.c: document which encodings are used Victor Stinner <victor.stinner@haypocalc.com> parents: 65166 diff changeset	517 call stat() otherwise. Only fill st_mode attribute on Windows.
1c4774b4e98a fileutils.c: document which encodings are used Victor Stinner <victor.stinner@haypocalc.com> parents: 65166 diff changeset	518
74058 2a140b01d343 import.c now catchs _Py_stat() exceptions Victor Stinner <victor.stinner@haypocalc.com> parents: 74002 diff changeset	519 Return 0 on success, -1 on _wstat() / stat() error, -2 if an exception was
2a140b01d343 import.c now catchs _Py_stat() exceptions Victor Stinner <victor.stinner@haypocalc.com> parents: 74002 diff changeset	520 raised. */
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	521
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	522 int
65165 2147cc152227 _Py_stat() and _Py_fopen(): avoid PyUnicode_AsWideCharString() on Windows Victor Stinner <victor.stinner@haypocalc.com> parents: 65164 diff changeset	523 _Py_stat(PyObject path, struct stat statbuf)
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	524 {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	525 #ifdef MS_WINDOWS
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	526 int err;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	527 struct _stat wstatbuf;
73593 94a38ad4aebf Catch PyUnicode_AS_UNICODE() errors in fileutils.c Victor Stinner <victor.stinner@haypocalc.com> parents: 66094 diff changeset	528 wchar_t *wpath;
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	529
73593 94a38ad4aebf Catch PyUnicode_AS_UNICODE() errors in fileutils.c Victor Stinner <victor.stinner@haypocalc.com> parents: 66094 diff changeset	530 wpath = PyUnicode_AsUnicode(path);
94a38ad4aebf Catch PyUnicode_AS_UNICODE() errors in fileutils.c Victor Stinner <victor.stinner@haypocalc.com> parents: 66094 diff changeset	531 if (wpath == NULL)
74058 2a140b01d343 import.c now catchs _Py_stat() exceptions Victor Stinner <victor.stinner@haypocalc.com> parents: 74002 diff changeset	532 return -2;
73593 94a38ad4aebf Catch PyUnicode_AS_UNICODE() errors in fileutils.c Victor Stinner <victor.stinner@haypocalc.com> parents: 66094 diff changeset	533 err = _wstat(wpath, &wstatbuf);
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	534 if (!err)
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	535 statbuf->st_mode = wstatbuf.st_mode;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	536 return err;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	537 #else
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	538 int ret;
65165 2147cc152227 _Py_stat() and _Py_fopen(): avoid PyUnicode_AsWideCharString() on Windows Victor Stinner <victor.stinner@haypocalc.com> parents: 65164 diff changeset	539 PyObject *bytes = PyUnicode_EncodeFSDefault(path);
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	540 if (bytes == NULL)
74058 2a140b01d343 import.c now catchs _Py_stat() exceptions Victor Stinner <victor.stinner@haypocalc.com> parents: 74002 diff changeset	541 return -2;
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	542 ret = stat(PyBytes_AS_STRING(bytes), statbuf);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	543 Py_DECREF(bytes);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	544 return ret;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	545 #endif
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	546 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	547
81257 c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	548 #endif
c256764e2b3f Issue #16455: On FreeBSD and Solaris, if the locale is C, the Victor Stinner <victor.stinner@gmail.com> parents: 80704 diff changeset	549
65168 1c4774b4e98a fileutils.c: document which encodings are used Victor Stinner <victor.stinner@haypocalc.com> parents: 65166 diff changeset	550 /* Open a file. Use _wfopen() on Windows, encode the path to the locale
1c4774b4e98a fileutils.c: document which encodings are used Victor Stinner <victor.stinner@haypocalc.com> parents: 65166 diff changeset	551 encoding and use fopen() otherwise. */
1c4774b4e98a fileutils.c: document which encodings are used Victor Stinner <victor.stinner@haypocalc.com> parents: 65166 diff changeset	552
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	553 FILE *
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	554 _Py_wfopen(const wchar_t path, const wchar_t mode)
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	555 {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	556 #ifndef MS_WINDOWS
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	557 FILE *f;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	558 char *cpath;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	559 char cmode[10];
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	560 size_t r;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	561 r = wcstombs(cmode, mode, 10);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	562 if (r == (size_t)-1 \|\| r >= 10) {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	563 errno = EINVAL;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	564 return NULL;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	565 }
66092 1b5f47e2e0f0 PyUnicode_EncodeFS() raises an exception if _Py_wchar2char() fails Victor Stinner <victor.stinner@haypocalc.com> parents: 65412 diff changeset	566 cpath = _Py_wchar2char(path, NULL);
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	567 if (cpath == NULL)
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	568 return NULL;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	569 f = fopen(cpath, cmode);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	570 PyMem_Free(cpath);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	571 return f;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	572 #else
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	573 return _wfopen(path, mode);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	574 #endif
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	575 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	576
65168 1c4774b4e98a fileutils.c: document which encodings are used Victor Stinner <victor.stinner@haypocalc.com> parents: 65166 diff changeset	577 /* Call _wfopen() on Windows, or encode the path to the filesystem encoding and
1c4774b4e98a fileutils.c: document which encodings are used Victor Stinner <victor.stinner@haypocalc.com> parents: 65166 diff changeset	578 call fopen() otherwise.
1c4774b4e98a fileutils.c: document which encodings are used Victor Stinner <victor.stinner@haypocalc.com> parents: 65166 diff changeset	579
1c4774b4e98a fileutils.c: document which encodings are used Victor Stinner <victor.stinner@haypocalc.com> parents: 65166 diff changeset	580 Return the new file object on success, or NULL if the file cannot be open or
1c4774b4e98a fileutils.c: document which encodings are used Victor Stinner <victor.stinner@haypocalc.com> parents: 65166 diff changeset	581 (if PyErr_Occurred()) on unicode error */
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	582
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	583 FILE*
65165 2147cc152227 _Py_stat() and _Py_fopen(): avoid PyUnicode_AsWideCharString() on Windows Victor Stinner <victor.stinner@haypocalc.com> parents: 65164 diff changeset	584 _Py_fopen(PyObject path, const char mode)
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	585 {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	586 #ifdef MS_WINDOWS
73593 94a38ad4aebf Catch PyUnicode_AS_UNICODE() errors in fileutils.c Victor Stinner <victor.stinner@haypocalc.com> parents: 66094 diff changeset	587 wchar_t *wpath;
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	588 wchar_t wmode[10];
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	589 int usize;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	590
74129 33dea851f918 Issue #13626: Add support for SSL Diffie-Hellman key exchange, through the Antoine Pitrou <solipsis@pitrou.net> parents: 74085 diff changeset	591 if (!PyUnicode_Check(path)) {
33dea851f918 Issue #13626: Add support for SSL Diffie-Hellman key exchange, through the Antoine Pitrou <solipsis@pitrou.net> parents: 74085 diff changeset	592 PyErr_Format(PyExc_TypeError,
33dea851f918 Issue #13626: Add support for SSL Diffie-Hellman key exchange, through the Antoine Pitrou <solipsis@pitrou.net> parents: 74085 diff changeset	593 "str file path expected under Windows, got %R",
33dea851f918 Issue #13626: Add support for SSL Diffie-Hellman key exchange, through the Antoine Pitrou <solipsis@pitrou.net> parents: 74085 diff changeset	594 Py_TYPE(path));
33dea851f918 Issue #13626: Add support for SSL Diffie-Hellman key exchange, through the Antoine Pitrou <solipsis@pitrou.net> parents: 74085 diff changeset	595 return NULL;
33dea851f918 Issue #13626: Add support for SSL Diffie-Hellman key exchange, through the Antoine Pitrou <solipsis@pitrou.net> parents: 74085 diff changeset	596 }
73593 94a38ad4aebf Catch PyUnicode_AS_UNICODE() errors in fileutils.c Victor Stinner <victor.stinner@haypocalc.com> parents: 66094 diff changeset	597 wpath = PyUnicode_AsUnicode(path);
94a38ad4aebf Catch PyUnicode_AS_UNICODE() errors in fileutils.c Victor Stinner <victor.stinner@haypocalc.com> parents: 66094 diff changeset	598 if (wpath == NULL)
94a38ad4aebf Catch PyUnicode_AS_UNICODE() errors in fileutils.c Victor Stinner <victor.stinner@haypocalc.com> parents: 66094 diff changeset	599 return NULL;
94a38ad4aebf Catch PyUnicode_AS_UNICODE() errors in fileutils.c Victor Stinner <victor.stinner@haypocalc.com> parents: 66094 diff changeset	600
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	601 usize = MultiByteToWideChar(CP_ACP, 0, mode, -1, wmode, sizeof(wmode));
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	602 if (usize == 0)
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	603 return NULL;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	604
73593 94a38ad4aebf Catch PyUnicode_AS_UNICODE() errors in fileutils.c Victor Stinner <victor.stinner@haypocalc.com> parents: 66094 diff changeset	605 return _wfopen(wpath, wmode);
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	606 #else
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	607 FILE *f;
74085 a882aa30a713 _Py_fopen now allows bytes filenames under non-Windows platforms. Antoine Pitrou <solipsis@pitrou.net> parents: 74058 diff changeset	608 PyObject *bytes;
a882aa30a713 _Py_fopen now allows bytes filenames under non-Windows platforms. Antoine Pitrou <solipsis@pitrou.net> parents: 74058 diff changeset	609 if (!PyUnicode_FSConverter(path, &bytes))
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	610 return NULL;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	611 f = fopen(PyBytes_AS_STRING(bytes), mode);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	612 Py_DECREF(bytes);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	613 return f;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	614 #endif
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	615 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	616
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	617 #ifdef HAVE_READLINK
65168 1c4774b4e98a fileutils.c: document which encodings are used Victor Stinner <victor.stinner@haypocalc.com> parents: 65166 diff changeset	618
1c4774b4e98a fileutils.c: document which encodings are used Victor Stinner <victor.stinner@haypocalc.com> parents: 65166 diff changeset	619 /* Read value of symbolic link. Encode the path to the locale encoding, decode
74002 279b0aee0cfb Add PyUnicode_DecodeLocaleAndSize() and PyUnicode_DecodeLocale() Victor Stinner <victor.stinner@haypocalc.com> parents: 73593 diff changeset	620 the result from the locale encoding. Return -1 on error. */
65168 1c4774b4e98a fileutils.c: document which encodings are used Victor Stinner <victor.stinner@haypocalc.com> parents: 65166 diff changeset	621
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	622 int
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	623 _Py_wreadlink(const wchar_t path, wchar_t buf, size_t bufsiz)
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	624 {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	625 char *cpath;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	626 char cbuf[PATH_MAX];
65409 e1dc9861b43f _Py_wreadlink() uses _Py_char2wchar() to decode the result, to support Victor Stinner <victor.stinner@haypocalc.com> parents: 65346 diff changeset	627 wchar_t *wbuf;
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	628 int res;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	629 size_t r1;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	630
66092 1b5f47e2e0f0 PyUnicode_EncodeFS() raises an exception if _Py_wchar2char() fails Victor Stinner <victor.stinner@haypocalc.com> parents: 65412 diff changeset	631 cpath = _Py_wchar2char(path, NULL);
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	632 if (cpath == NULL) {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	633 errno = EINVAL;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	634 return -1;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	635 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	636 res = (int)readlink(cpath, cbuf, PATH_MAX);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	637 PyMem_Free(cpath);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	638 if (res == -1)
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	639 return -1;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	640 if (res == PATH_MAX) {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	641 errno = EINVAL;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	642 return -1;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	643 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	644 cbuf[res] = '\0'; /* buf will be null terminated */
65412 3794c9b50824 Add an optional size argument to _Py_char2wchar() Victor Stinner <victor.stinner@haypocalc.com> parents: 65411 diff changeset	645 wbuf = _Py_char2wchar(cbuf, &r1);
65410 6dcba93d6262 _Py_wreadlink(): catch _Py_char2wchar() failure Victor Stinner <victor.stinner@haypocalc.com> parents: 65409 diff changeset	646 if (wbuf == NULL) {
6dcba93d6262 _Py_wreadlink(): catch _Py_char2wchar() failure Victor Stinner <victor.stinner@haypocalc.com> parents: 65409 diff changeset	647 errno = EINVAL;
6dcba93d6262 _Py_wreadlink(): catch _Py_char2wchar() failure Victor Stinner <victor.stinner@haypocalc.com> parents: 65409 diff changeset	648 return -1;
6dcba93d6262 _Py_wreadlink(): catch _Py_char2wchar() failure Victor Stinner <victor.stinner@haypocalc.com> parents: 65409 diff changeset	649 }
65409 e1dc9861b43f _Py_wreadlink() uses _Py_char2wchar() to decode the result, to support Victor Stinner <victor.stinner@haypocalc.com> parents: 65346 diff changeset	650 if (bufsiz <= r1) {
e1dc9861b43f _Py_wreadlink() uses _Py_char2wchar() to decode the result, to support Victor Stinner <victor.stinner@haypocalc.com> parents: 65346 diff changeset	651 PyMem_Free(wbuf);
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	652 errno = EINVAL;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	653 return -1;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	654 }
65409 e1dc9861b43f _Py_wreadlink() uses _Py_char2wchar() to decode the result, to support Victor Stinner <victor.stinner@haypocalc.com> parents: 65346 diff changeset	655 wcsncpy(buf, wbuf, bufsiz);
e1dc9861b43f _Py_wreadlink() uses _Py_char2wchar() to decode the result, to support Victor Stinner <victor.stinner@haypocalc.com> parents: 65346 diff changeset	656 PyMem_Free(wbuf);
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	657 return (int)r1;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	658 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	659 #endif
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	660
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	661 #ifdef HAVE_REALPATH
65168 1c4774b4e98a fileutils.c: document which encodings are used Victor Stinner <victor.stinner@haypocalc.com> parents: 65166 diff changeset	662
1c4774b4e98a fileutils.c: document which encodings are used Victor Stinner <victor.stinner@haypocalc.com> parents: 65166 diff changeset	663 /* Return the canonicalized absolute pathname. Encode path to the locale
74002 279b0aee0cfb Add PyUnicode_DecodeLocaleAndSize() and PyUnicode_DecodeLocale() Victor Stinner <victor.stinner@haypocalc.com> parents: 73593 diff changeset	664 encoding, decode the result from the locale encoding.
279b0aee0cfb Add PyUnicode_DecodeLocaleAndSize() and PyUnicode_DecodeLocale() Victor Stinner <victor.stinner@haypocalc.com> parents: 73593 diff changeset	665 Return NULL on error. */
65168 1c4774b4e98a fileutils.c: document which encodings are used Victor Stinner <victor.stinner@haypocalc.com> parents: 65166 diff changeset	666
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	667 wchar_t*
65166 8fd5d06462e6 _Py_wrealpath() requires the size of the output buffer Victor Stinner <victor.stinner@haypocalc.com> parents: 65165 diff changeset	668 _Py_wrealpath(const wchar_t *path,
8fd5d06462e6 _Py_wrealpath() requires the size of the output buffer Victor Stinner <victor.stinner@haypocalc.com> parents: 65165 diff changeset	669 wchar_t *resolved_path, size_t resolved_path_size)
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	670 {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	671 char *cpath;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	672 char cresolved_path[PATH_MAX];
65411 df0e348e7176 _Py_wrealpath() uses _Py_char2wchar() to decode the result, to support Victor Stinner <victor.stinner@haypocalc.com> parents: 65410 diff changeset	673 wchar_t *wresolved_path;
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	674 char *res;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	675 size_t r;
66092 1b5f47e2e0f0 PyUnicode_EncodeFS() raises an exception if _Py_wchar2char() fails Victor Stinner <victor.stinner@haypocalc.com> parents: 65412 diff changeset	676 cpath = _Py_wchar2char(path, NULL);
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	677 if (cpath == NULL) {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	678 errno = EINVAL;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	679 return NULL;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	680 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	681 res = realpath(cpath, cresolved_path);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	682 PyMem_Free(cpath);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	683 if (res == NULL)
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	684 return NULL;
65411 df0e348e7176 _Py_wrealpath() uses _Py_char2wchar() to decode the result, to support Victor Stinner <victor.stinner@haypocalc.com> parents: 65410 diff changeset	685
65412 3794c9b50824 Add an optional size argument to _Py_char2wchar() Victor Stinner <victor.stinner@haypocalc.com> parents: 65411 diff changeset	686 wresolved_path = _Py_char2wchar(cresolved_path, &r);
65411 df0e348e7176 _Py_wrealpath() uses _Py_char2wchar() to decode the result, to support Victor Stinner <victor.stinner@haypocalc.com> parents: 65410 diff changeset	687 if (wresolved_path == NULL) {
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	688 errno = EINVAL;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	689 return NULL;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	690 }
65411 df0e348e7176 _Py_wrealpath() uses _Py_char2wchar() to decode the result, to support Victor Stinner <victor.stinner@haypocalc.com> parents: 65410 diff changeset	691 if (resolved_path_size <= r) {
df0e348e7176 _Py_wrealpath() uses _Py_char2wchar() to decode the result, to support Victor Stinner <victor.stinner@haypocalc.com> parents: 65410 diff changeset	692 PyMem_Free(wresolved_path);
df0e348e7176 _Py_wrealpath() uses _Py_char2wchar() to decode the result, to support Victor Stinner <victor.stinner@haypocalc.com> parents: 65410 diff changeset	693 errno = EINVAL;
df0e348e7176 _Py_wrealpath() uses _Py_char2wchar() to decode the result, to support Victor Stinner <victor.stinner@haypocalc.com> parents: 65410 diff changeset	694 return NULL;
df0e348e7176 _Py_wrealpath() uses _Py_char2wchar() to decode the result, to support Victor Stinner <victor.stinner@haypocalc.com> parents: 65410 diff changeset	695 }
df0e348e7176 _Py_wrealpath() uses _Py_char2wchar() to decode the result, to support Victor Stinner <victor.stinner@haypocalc.com> parents: 65410 diff changeset	696 wcsncpy(resolved_path, wresolved_path, resolved_path_size);
df0e348e7176 _Py_wrealpath() uses _Py_char2wchar() to decode the result, to support Victor Stinner <victor.stinner@haypocalc.com> parents: 65410 diff changeset	697 PyMem_Free(wresolved_path);
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	698 return resolved_path;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	699 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	700 #endif
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	701
65312 a27fc0ff3678 _Py_wgetcwd() decodes the path using _Py_char2wchar() to support surrogates Victor Stinner <victor.stinner@haypocalc.com> parents: 65168 diff changeset	702 /* Get the current directory. size is the buffer size in wide characters
74002 279b0aee0cfb Add PyUnicode_DecodeLocaleAndSize() and PyUnicode_DecodeLocale() Victor Stinner <victor.stinner@haypocalc.com> parents: 73593 diff changeset	703 including the null character. Decode the path from the locale encoding.
279b0aee0cfb Add PyUnicode_DecodeLocaleAndSize() and PyUnicode_DecodeLocale() Victor Stinner <victor.stinner@haypocalc.com> parents: 73593 diff changeset	704 Return NULL on error. */
65168 1c4774b4e98a fileutils.c: document which encodings are used Victor Stinner <victor.stinner@haypocalc.com> parents: 65166 diff changeset	705
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	706 wchar_t*
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	707 _Py_wgetcwd(wchar_t *buf, size_t size)
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	708 {
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	709 #ifdef MS_WINDOWS
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	710 return _wgetcwd(buf, size);
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	711 #else
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	712 char fname[PATH_MAX];
65312 a27fc0ff3678 _Py_wgetcwd() decodes the path using _Py_char2wchar() to support surrogates Victor Stinner <victor.stinner@haypocalc.com> parents: 65168 diff changeset	713 wchar_t *wname;
65412 3794c9b50824 Add an optional size argument to _Py_char2wchar() Victor Stinner <victor.stinner@haypocalc.com> parents: 65411 diff changeset	714 size_t len;
65312 a27fc0ff3678 _Py_wgetcwd() decodes the path using _Py_char2wchar() to support surrogates Victor Stinner <victor.stinner@haypocalc.com> parents: 65168 diff changeset	715
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	716 if (getcwd(fname, PATH_MAX) == NULL)
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	717 return NULL;
65412 3794c9b50824 Add an optional size argument to _Py_char2wchar() Victor Stinner <victor.stinner@haypocalc.com> parents: 65411 diff changeset	718 wname = _Py_char2wchar(fname, &len);
65312 a27fc0ff3678 _Py_wgetcwd() decodes the path using _Py_char2wchar() to support surrogates Victor Stinner <victor.stinner@haypocalc.com> parents: 65168 diff changeset	719 if (wname == NULL)
a27fc0ff3678 _Py_wgetcwd() decodes the path using _Py_char2wchar() to support surrogates Victor Stinner <victor.stinner@haypocalc.com> parents: 65168 diff changeset	720 return NULL;
65412 3794c9b50824 Add an optional size argument to _Py_char2wchar() Victor Stinner <victor.stinner@haypocalc.com> parents: 65411 diff changeset	721 if (size <= len) {
65312 a27fc0ff3678 _Py_wgetcwd() decodes the path using _Py_char2wchar() to support surrogates Victor Stinner <victor.stinner@haypocalc.com> parents: 65168 diff changeset	722 PyMem_Free(wname);
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	723 return NULL;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	724 }
65312 a27fc0ff3678 _Py_wgetcwd() decodes the path using _Py_char2wchar() to support surrogates Victor Stinner <victor.stinner@haypocalc.com> parents: 65168 diff changeset	725 wcsncpy(buf, wname, size);
a27fc0ff3678 _Py_wgetcwd() decodes the path using _Py_char2wchar() to support surrogates Victor Stinner <victor.stinner@haypocalc.com> parents: 65168 diff changeset	726 PyMem_Free(wname);
65162 39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	727 return buf;
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	728 #endif
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	729 }
39014f0abc32 Create fileutils.c/.h Victor Stinner <victor.stinner@haypocalc.com> parents: diff changeset	730

Mercurial > cpython-lru_cache-weakref

annotate Python/fileutils.c @ 81259:4bf19545c016