| /* Copyright (C) 2005-2014 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> |
| |
| 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 (p == NULL) |
| 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; |
| } |