1 /*
2 * Copyright (c) 1990, 2007 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms are permitted
6 * provided that the above copyright notice and this paragraph are
7 * duplicated in all such forms and that any documentation,
8 * and/or other materials related to such
9 * distribution and use acknowledge that the software was developed
10 * by the University of California, Berkeley. The name of the
11 * University may not be used to endorse or promote products derived
12 * from this software without specific prior written permission.
13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16 */
17 /* This code was based on vsprintf.c */
18 /* doc in vfprintf.c */
19
20 #define _GNU_SOURCE
21 #include <stdio.h>
22 #include <limits.h>
23 #include <stdarg.h>
24
25 #include "local.h"
26
27 int
vasprintf(char ** strp,const char * fmt,va_list ap)28 vasprintf (
29 char **strp,
30 const char *fmt,
31 va_list ap)
32 {
33 int ret;
34 FILE f;
35
36 f._flags = __SWR | __SSTR | __SMBF ;
37 f._flags2 = 0;
38 f._bf._base = f._p = NULL;
39 f._bf._size = f._w = 0;
40 f._file = -1; /* No file. */
41 ret = svfprintf ( &f, fmt, ap);
42 if (ret >= 0)
43 {
44 *f._p = 0;
45 *strp = (char *) f._bf._base;
46 }
47 return ret;
48 }
49
50 #ifdef _NANO_FORMATTED_IO
51 int
52 vasiprintf (char **, const char *, __VALIST)
53 _ATTRIBUTE ((__alias__("vasprintf")));
54 #endif
55
