Fix syslog dprintf namespace (bug 18534).
[glibc.git] / stdlib / testrand.c
blob288b79a5f4134f6e44ca6b6f83c901a54b3955c2
1 /* Copyright (C) 1992-2015 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, see
16 <http://www.gnu.org/licenses/>. */
18 #include <stdlib.h>
19 #include <stdio.h>
21 int
22 main (void)
24 int i1, i2;
25 int j1, j2;
27 /* The C standard says that "If rand is called before any calls to
28 srand have been made, the same sequence shall be generated as
29 when srand is first called with a seed value of 1." */
30 i1 = rand();
31 i2 = rand();
32 srand (1);
33 j1 = rand();
34 j2 = rand();
35 if (i1 < 0 || i2 < 0 || j1 < 0 || j2 < 0) {
36 puts ("Test FAILED!");
38 if (j1 == i1 && j2 == i2)
40 puts ("Test succeeded.");
41 return 0;
43 else
45 if (j1 != i1)
46 printf ("%d != %d\n", j1, i1);
47 if (j2 != i2)
48 printf ("%d != %d\n", j2, i2);
49 puts ("Test FAILED!");
50 return 1;