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 26 static int testfunc(char **, const char *, ...); 27 28 29 static int 30 testfunc(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 42 int 43 main(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