contrib/sendmail/test/t_snprintf.c

   1 /*
   2  * Copyright (c) 2001 Sendmail, Inc. and its suppliers.
   3  *      All rights reserved.
   4  *
   5  * By using this file, you agree to the terms and conditions set
   6  * forth in the LICENSE file which can be found at the top level of
   7  * the sendmail distribution.
   8  *
   9  */
  10
  11 #include <stdio.h>
  12 #include <sysexits.h>
  13
  14 #ifndef lint
  15 static char id[] = "@(#)$Id: t_snprintf.c,v 8.4 2001/09/23 03:35:41 ca Exp $";
  16 #endif /* ! lint */
  17
  18 #define TEST_STRING     "1234567890"
  19
  20 int
  21 main(argc, argv)
  22         int argc;
  23         char **argv;
  24 {
  25         int r;
  26         char buf[5];
  27
  28         r = snprintf(buf, sizeof buf, "%s", TEST_STRING);
  29
  30         if (buf[sizeof buf - 1] != '\0' ||
  31             r != strlen(TEST_STRING))
  32         {
  33                 fprintf(stderr, "Add the following to devtools/Site/site.config.m4:\n\n");
  34                 fprintf(stderr, "APPENDDEF(`confENVDEF', `-DSNPRINTF_IS_BROKEN=1')\n\n");
  35                 exit(EX_OSERR);
  36         }
  37         fprintf(stderr, "snprintf() appears to work properly\n");
  38         exit(EX_OK);
  39 }