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[glibc/history.git] / stdio-common / tst-tmpnam.c
blob84ac3fed2da4a33c4febe25ff3e46dbc36cdee14
1 /* Copyright (C) 1998 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
19 #include <stdio.h>
20 #include <stdlib.h>
21 #include <string.h>
23 int
24 main (void)
26 const char *name;
27 int retval = 0;
29 /* Set TMPDIR to a value other than the traditional /tmp. */
30 setenv ("TMPDIR", "/usr", 1);
32 name = tmpnam (NULL);
34 printf ("name = %s\n", name);
36 /* Make sure the name is not based on the value in TMPDIR. */
37 if (strncmp (name, "/usr", 4) == 0)
39 puts ("error: `tmpnam' used TMPDIR value");
40 retval = 1;
43 /* Test that it is in the directory denoted by P_tmpdir. */
44 if (strncmp (name, P_tmpdir, sizeof (P_tmpdir) - 1) != 0)
46 puts ("error: `tmpnam' return value not in P_tmpdir directory");
47 retval = 1;
50 return retval;