| /* |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2. |
| * |
| * This program 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 General Public License for more details. |
| * |
| * Test that the shm_unlink() function sets errno = ENAMETOOLONG if the length |
| * of a pathname component is longer than {NAME_MAX} (not including the |
| * terminating null). |
| */ |
| |
| #include <stdio.h> |
| #include <sys/mman.h> |
| #include <errno.h> |
| #include <limits.h> |
| #include <unistd.h> |
| #include <stdlib.h> |
| #include "posixtest.h" |
| |
| int main() { |
| int result, i; |
| long name_max; |
| char *shm_name; |
| |
| name_max = pathconf("/", _PC_NAME_MAX); |
| shm_name = malloc(name_max+3); |
| |
| shm_name[0] = '/'; |
| for (i=1; i<name_max+2; i++) |
| shm_name[i] = 'a'; |
| shm_name[name_max+2] = 0; |
| |
| result = shm_unlink(shm_name); |
| |
| if (result == -1 && errno == ENAMETOOLONG) { |
| printf("Test PASSED\n"); |
| return PTS_PASS; |
| } else if (result != -1) { |
| printf("shm_unlink() success.\n"); |
| return PTS_FAIL; |
| } |
| |
| perror("shm_unlink does not set the right errno"); |
| return PTS_FAIL; |
| } |