test-vasprintf.c revision 294109 
1/*	$Id: test-vasprintf.c,v 1.3 2015/10/06 18:32:20 schwarze Exp $	*/
2/*
3 * Copyright (c) 2015 Ingo Schwarze <schwarze@openbsd.org>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#if defined(__linux__) || defined(__MINT__)
19#define _GNU_SOURCE /* vasprintf() */
20#endif
21
22#include <stdarg.h>
23#include <stdio.h>
24#include <string.h>
25
26int
27testfunc(char **ret, const char *format, ...)
28{
29	va_list	 ap;
30	int	 irc;
31
32	va_start(ap, format);
33	irc = vasprintf(ret, format, ap);
34	va_end(ap);
35
36	return irc;
37}
38
39int
40main(void)
41{
42	char	*ret;
43
44	if (testfunc(&ret, "%s.", "Text") != 5)
45		return 1;
46	if (strcmp(ret, "Text."))
47		return 2;
48	return 0;
49}
50