| /* Common posix_fallocate tests definitions. |
| Copyright (C) 2016-2018 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 <fcntl.h> |
| #include <limits.h> |
| #include <stdint.h> |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| |
| #include <support/support.h> |
| #include <support/check.h> |
| #include <support/temp_file.h> |
| |
| static char *temp_filename; |
| static int temp_fd; |
| |
| static void |
| do_prepare (int argc, char **argv) |
| { |
| temp_fd = create_temp_file ("tst-posix_fallocate.", &temp_filename); |
| if (temp_fd == -1) |
| FAIL_EXIT1 ("cannot create temporary file: %m\n"); |
| } |
| #define PREPARE do_prepare |
| |
| static int |
| do_test_with_offset (off_t offset) |
| { |
| struct stat st; |
| |
| if (posix_fallocate (temp_fd, offset, 768) != 0) |
| FAIL_EXIT1 ("1st posix_fallocate call failed"); |
| |
| if (fstat (temp_fd, &st) != 0) |
| FAIL_EXIT1 ("2nd fstat failed"); |
| |
| if (st.st_size != (offset + 768)) |
| FAIL_EXIT1 ("file size after first posix_fallocate call is %lu, " |
| "expected %lu", |
| (unsigned long int) st.st_size, 512lu + 768lu); |
| |
| if (posix_fallocate (temp_fd, 0, 1024) != 0) |
| FAIL_EXIT1 ("2nd posix_fallocate call failed"); |
| |
| if (fstat (temp_fd, &st) != 0) |
| FAIL_EXIT1 ("3rd fstat failed"); |
| |
| if (st.st_size != (offset) + 768) |
| FAIL_EXIT1 ("file size changed in second posix_fallocate"); |
| |
| offset += 2048; |
| if (posix_fallocate (temp_fd, offset, 64) != 0) |
| FAIL_EXIT1 ("3rd posix_fallocate call failed"); |
| |
| if (fstat (temp_fd, &st) != 0) |
| FAIL_EXIT1 ("4th fstat failed"); |
| |
| if (st.st_size != (offset + 64)) |
| FAIL_EXIT1 ("file size after first posix_fallocate call is %llu, " |
| "expected %u", |
| (unsigned long long int) st.st_size, 2048u + 64u); |
| |
| return 0; |
| } |
| |
| /* This function is defined by the individual tests. */ |
| static int do_test (void); |
| |
| #include <support/test-driver.c> |
