test-vasprintf.c

   1 /*      $Id: test-vasprintf.c,v 1.5 2018/08/15 02:15:52 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 #include <stdarg.h>
  19 #include <stdio.h>
  20 #include <string.h>
  21
  22 static int       testfunc(char **, const char *, ...);
  23
  24
  25 static int
  26 testfunc(char **ret, const char *format, ...)
  27 {
  28         va_list  ap;
  29         int      irc;
  30
  31         va_start(ap, format);
  32         irc = vasprintf(ret, format, ap);
  33         va_end(ap);
  34
  35         return irc;
  36 }
  37
  38 int
  39 main(void)
  40 {
  41         char    *ret;
  42
  43         if (testfunc(&ret, "%s.", "Text") != 5)
  44                 return 1;
  45         if (strcmp(ret, "Text."))
  46                 return 2;
  47         return 0;
  48 }