Mercurial > cpython-lru_cache-weakref
annotate Include/stringobject.h @ 2129:05360cd616ae legacy-trunk
The great renaming, phase two: all header files have been updated to
use the new names exclusively, and the linker will see the new names.
Files that import "Python.h" also only see the new names. Files that
import "allobjects.h" will continue to be able to use the old names,
due to the inclusion (in allobjects.h) of "rename2.h".
| author | Guido van Rossum <guido@python.org> |
|---|---|
| date | Thu, 12 Jan 1995 11:45:45 +0000 |
| parents | 508036dbba3b |
| children | 9afdbf944c2a |
| rev | line source |
|---|---|
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1 #ifndef Py_STRINGOBJECT_H |
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2 #define Py_STRINGOBJECT_H |
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3 #ifdef __cplusplus |
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4 extern "C" { |
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5 #endif |
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6 |
| 145 | 7 /*********************************************************** |
| 2058 | 8 Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, |
| 9 The Netherlands. | |
| 145 | 10 |
| 11 All Rights Reserved | |
| 12 | |
| 13 Permission to use, copy, modify, and distribute this software and its | |
| 14 documentation for any purpose and without fee is hereby granted, | |
| 15 provided that the above copyright notice appear in all copies and that | |
| 16 both that copyright notice and this permission notice appear in | |
| 17 supporting documentation, and that the names of Stichting Mathematisch | |
| 18 Centrum or CWI not be used in advertising or publicity pertaining to | |
| 19 distribution of the software without specific, written prior permission. | |
| 20 | |
| 21 STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO | |
| 22 THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND | |
| 23 FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE | |
| 24 FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
| 25 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
| 26 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT | |
| 27 OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
| 28 | |
| 29 ******************************************************************/ | |
| 30 | |
| 6 | 31 /* String object interface */ |
| 32 | |
| 33 /* | |
| 34 123456789-123456789-123456789-123456789-123456789-123456789-123456789-12 | |
| 35 | |
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36 Type PyStringObject represents a character string. An extra zero byte is |
| 6 | 37 reserved at the end to ensure it is zero-terminated, but a size is |
| 38 present so strings with null bytes in them can be represented. This | |
| 39 is an immutable object type. | |
| 40 | |
| 41 There are functions to create new string objects, to test | |
| 42 an object for string-ness, and to get the | |
| 43 string value. The latter function returns a null pointer | |
| 44 if the object is not of the proper type. | |
| 45 There is a variant that takes an explicit size as well as a | |
| 46 variant that assumes a zero-terminated string. Note that none of the | |
| 47 functions should be applied to nil objects. | |
| 48 */ | |
| 49 | |
| 50 /* NB The type is revealed here only because it is used in dictobject.c */ | |
| 51 | |
| 52 typedef struct { | |
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53 PyObject_VAR_HEAD |
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54 #ifdef CACHE_HASH |
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55 long ob_shash; |
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56 #endif |
| 6 | 57 char ob_sval[1]; |
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58 } PyStringObject; |
| 6 | 59 |
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60 extern DL_IMPORT PyTypeObject PyString_Type; |
| 6 | 61 |
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62 #define PyString_Check(op) ((op)->ob_type == &PyString_Type) |
| 6 | 63 |
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64 extern PyObject *PyString_FromStringAndSize Py_PROTO((char *, int)); |
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65 extern PyObject *PyString_FromString Py_PROTO((char *)); |
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66 extern int PyString_Size Py_PROTO((PyObject *)); |
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67 extern char *PyString_AsString Py_PROTO((PyObject *)); |
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68 extern void PyString_Concat Py_PROTO((PyObject **, PyObject *)); |
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69 extern void joinstring_decref Py_PROTO((PyObject **, PyObject *)); |
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70 extern int _PyString_Resize Py_PROTO((PyObject **, int)); |
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71 extern PyObject *PyString_Format Py_PROTO((PyObject *, PyObject *)); |
| 6 | 72 |
| 73 /* Macro, trading safety for speed */ | |
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74 #define PyString_AS_STRING(op) ((op)->ob_sval) |
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* Added support for X11 modules.
Guido van Rossum <guido@python.org>
parents:
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75 |
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parents:
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76 #ifdef __cplusplus |
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parents:
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77 } |
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parents:
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78 #endif |
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* Added support for X11 modules.
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parents:
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79 #endif /* !Py_STRINGOBJECT_H */ |