/* Copyright (C) 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Jakub Jelinek <jakub@redhat.com>, 2005. 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 <stdio.h> #include <stdlib.h> #include <features.h> static int errors = 0; static void merror (const char *msg) { ++errors; printf ("Error: %s\n", msg); } int main (void) { void *p, *q; errno = 0; p = malloc (-1); if (p != NULL) merror ("malloc (-1) succeeded."); else if (errno != ENOMEM) merror ("errno is not set correctly."); p = malloc (10); if (p == NULL) merror ("malloc (10) failed."); p = realloc (p, 0); if (p != NULL) merror ("realloc (p, 0) failed."); p = malloc (0); #if !defined(__UCLIBC__) || defined(__MALLOC_GLIBC_COMPAT__) if (p == NULL) #else if (p != NULL) #endif merror ("malloc (0) failed."); p = realloc (p, 0); if (p != NULL) merror ("realloc (p, 0) failed."); q = malloc (256); if (q == NULL) merror ("malloc (256) failed."); p = malloc (512); if (p == NULL) merror ("malloc (512) failed."); if (realloc (p, -256) != NULL) merror ("realloc (p, -256) succeeded."); else if (errno != ENOMEM) merror ("errno is not set correctly."); free (p); p = malloc (512); if (p == NULL) merror ("malloc (512) failed."); if (realloc (p, -1) != NULL) merror ("realloc (p, -1) succeeded."); else if (errno != ENOMEM) merror ("errno is not set correctly."); free (p); free (q); return errors != 0; }