test-vasprintf.c revision 316420 
1/*	$Id: test-vasprintf.c,v 1.4 2016/07/18 18:35:05 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
26static int	 testfunc(char **, const char *, ...);
27
28
29static int
30testfunc(char **ret, const char *format, ...)
31{
32	va_list	 ap;
33	int	 irc;
34
35	va_start(ap, format);
36	irc = vasprintf(ret, format, ap);
37	va_end(ap);
38
39	return irc;
40}
41
42int
43main(void)
44{
45	char	*ret;
46
47	if (testfunc(&ret, "%s.", "Text") != 5)
48		return 1;
49	if (strcmp(ret, "Text."))
50		return 2;
51	return 0;
52}
53