/* Copyright (C) 1992-2016 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #include <stdlib.h> #include <stdio.h> int main (void) { int i1, i2; int j1, j2; /* The C standard says that "If rand is called before any calls to srand have been made, the same sequence shall be generated as when srand is first called with a seed value of 1." */ i1 = rand(); i2 = rand(); srand (1); j1 = rand(); j2 = rand(); if (i1 < 0 || i2 < 0 || j1 < 0 || j2 < 0) { puts ("Test FAILED!"); } if (j1 == i1 && j2 == i2) { puts ("Test succeeded."); return 0; } else { if (j1 != i1) printf ("%d != %d\n", j1, i1); if (j2 != i2) printf ("%d != %d\n", j2, i2); puts ("Test FAILED!"); return 1; } }