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annotate Include/stringobject.h @ 3044:7e7bb00a0a2e legacy-trunk
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| author | Jack Jansen <jack.jansen@cwi.nl> |
|---|---|
| date | Thu, 31 Aug 1995 13:47:14 +0000 |
| parents | fa98dda07877 |
| children | f0efff28a24d |
| 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 /* | |
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34 Type PyStringObject represents a character string. An extra zero byte is |
| 6 | 35 reserved at the end to ensure it is zero-terminated, but a size is |
| 36 present so strings with null bytes in them can be represented. This | |
| 37 is an immutable object type. | |
| 38 | |
| 39 There are functions to create new string objects, to test | |
| 40 an object for string-ness, and to get the | |
| 41 string value. The latter function returns a null pointer | |
| 42 if the object is not of the proper type. | |
| 43 There is a variant that takes an explicit size as well as a | |
| 44 variant that assumes a zero-terminated string. Note that none of the | |
| 45 functions should be applied to nil objects. | |
| 46 */ | |
| 47 | |
| 48 /* NB The type is revealed here only because it is used in dictobject.c */ | |
| 49 | |
| 50 typedef struct { | |
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51 PyObject_VAR_HEAD |
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52 #ifdef CACHE_HASH |
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53 long ob_shash; |
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54 #endif |
| 6 | 55 char ob_sval[1]; |
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56 } PyStringObject; |
| 6 | 57 |
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58 extern DL_IMPORT(PyTypeObject) PyString_Type; |
| 6 | 59 |
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60 #define PyString_Check(op) ((op)->ob_type == &PyString_Type) |
| 6 | 61 |
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62 extern PyObject *PyString_FromStringAndSize Py_PROTO((char *, int)); |
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63 extern PyObject *PyString_FromString Py_PROTO((char *)); |
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64 extern int PyString_Size Py_PROTO((PyObject *)); |
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65 extern char *PyString_AsString Py_PROTO((PyObject *)); |
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66 extern void PyString_Concat Py_PROTO((PyObject **, PyObject *)); |
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67 extern void PyString_ConcatAndDel Py_PROTO((PyObject **, PyObject *)); |
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68 extern int _PyString_Resize Py_PROTO((PyObject **, int)); |
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69 extern PyObject *PyString_Format Py_PROTO((PyObject *, PyObject *)); |
| 6 | 70 |
| 71 /* Macro, trading safety for speed */ | |
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72 #define PyString_AS_STRING(op) ((op)->ob_sval) |
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73 |
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74 #ifdef __cplusplus |
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75 } |
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76 #endif |
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77 #endif /* !Py_STRINGOBJECT_H */ |