/* Copyright (C) 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Andreas Jaeger <aj@arthur.rhein-neckar.de>, 1999. 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 <errno.h> #include <malloc.h> #include <stdio.h> static int errors = 0; static void merror (const char *msg) { ++errors; printf ("Error: %s\n", msg); } int main (void) { void *p, *q; int save; errno = 0; p = malloc (-1); save = errno; if (p != NULL) merror ("malloc (-1) succeeded."); if (p == NULL && save != ENOMEM) merror ("errno is not set correctly"); p = malloc (10); if (p == NULL) merror ("malloc (10) failed."); /* realloc (p, 0) == free (p). */ p = realloc (p, 0); if (p != NULL) merror ("realloc (p, 0) failed."); p = malloc (0); if (p == NULL) merror ("malloc (0) failed."); p = realloc (p, 0); if (p != NULL) merror ("realloc (p, 0) failed."); p = malloc (513 * 1024); if (p == NULL) merror ("malloc (513K) failed."); q = malloc (-512 * 1024); if (q != NULL) merror ("malloc (-512K) succeeded."); free (p); return errors != 0; }