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Fri Oct 28 21:19:04 2011 UTC (8 years, 2 months ago) by zoff99
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1 /* vsprintf with automatic memory allocation.
2 Copyright (C) 2002-2003 Free Software Foundation, Inc.
3
4 This program is free software; you can redistribute it and/or modify it
5 under the terms of the GNU Library General Public License as published
6 by the Free Software Foundation; either version 2, or (at your option)
7 any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
13
14 You should have received a copy of the GNU Library General Public
15 License along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
17 USA. */
18
19 #ifndef _VASNPRINTF_H
20 #define _VASNPRINTF_H
21
22 /* Get va_list. */
23 #include <stdarg.h>
24
25 /* Get size_t. */
26 #include <stddef.h>
27
28 #ifndef __attribute__
29 /* This feature is available in gcc versions 2.5 and later. */
30 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
31 # define __attribute__(Spec) /* empty */
32 # endif
33 /* The __-protected variants of `format' and `printf' attributes
34 are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
35 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
36 # define __format__ format
37 # define __printf__ printf
38 # endif
39 #endif
40
41 #ifdef __cplusplus
42 extern "C" {
43 #endif
44
45 /* Write formatted output to a string dynamically allocated with malloc().
46 You can pass a preallocated buffer for the result in RESULTBUF and its
47 size in *LENGTHP; otherwise you pass RESULTBUF = NULL.
48 If successful, return the address of the string (this may be = RESULTBUF
49 if no dynamic memory allocation was necessary) and set *LENGTHP to the
50 number of resulting bytes, excluding the trailing NUL. Upon error, set
51 errno and return NULL. */
52 extern char * asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
53 __attribute__ ((__format__ (__printf__, 3, 4)));
54 extern char * vasnprintf (char *resultbuf, size_t *lengthp, const char *format, va_list args)
55 __attribute__ ((__format__ (__printf__, 3, 0)));
56
57 #ifdef __cplusplus
58 }
59 #endif
60
61 #endif /* _VASNPRINTF_H */

   
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