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Fri Oct 28 21:19:04 2011 UTC (12 years, 5 months ago) by zoff99
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1 zoff99 2 /* 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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