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45ff2bfc | 1 | /* Common posix_fallocate tests definitions. |
d614a753 | 2 | Copyright (C) 2016-2020 Free Software Foundation, Inc. |
45ff2bfc AZ |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
45ff2bfc AZ |
18 | |
19 | #include <fcntl.h> | |
c23de0aa FW |
20 | #include <limits.h> |
21 | #include <stdint.h> | |
45ff2bfc | 22 | #include <sys/stat.h> |
c23de0aa | 23 | #include <sys/types.h> |
45ff2bfc AZ |
24 | #include <unistd.h> |
25 | ||
c23de0aa FW |
26 | #include <support/support.h> |
27 | #include <support/check.h> | |
28 | #include <support/temp_file.h> | |
45ff2bfc AZ |
29 | |
30 | static char *temp_filename; | |
31 | static int temp_fd; | |
32 | ||
33 | static void | |
c23de0aa | 34 | do_prepare (int argc, char **argv) |
45ff2bfc AZ |
35 | { |
36 | temp_fd = create_temp_file ("tst-posix_fallocate.", &temp_filename); | |
37 | if (temp_fd == -1) | |
38 | FAIL_EXIT1 ("cannot create temporary file: %m\n"); | |
39 | } | |
c23de0aa | 40 | #define PREPARE do_prepare |
45ff2bfc AZ |
41 | |
42 | static int | |
43 | do_test_with_offset (off_t offset) | |
44 | { | |
45 | struct stat st; | |
46 | ||
47 | if (posix_fallocate (temp_fd, offset, 768) != 0) | |
48 | FAIL_EXIT1 ("1st posix_fallocate call failed"); | |
49 | ||
50 | if (fstat (temp_fd, &st) != 0) | |
51 | FAIL_EXIT1 ("2nd fstat failed"); | |
52 | ||
53 | if (st.st_size != (offset + 768)) | |
54 | FAIL_EXIT1 ("file size after first posix_fallocate call is %lu, " | |
55 | "expected %lu", | |
56 | (unsigned long int) st.st_size, 512lu + 768lu); | |
57 | ||
58 | if (posix_fallocate (temp_fd, 0, 1024) != 0) | |
59 | FAIL_EXIT1 ("2nd posix_fallocate call failed"); | |
60 | ||
61 | if (fstat (temp_fd, &st) != 0) | |
62 | FAIL_EXIT1 ("3rd fstat failed"); | |
63 | ||
64 | if (st.st_size != (offset) + 768) | |
65 | FAIL_EXIT1 ("file size changed in second posix_fallocate"); | |
66 | ||
67 | offset += 2048; | |
68 | if (posix_fallocate (temp_fd, offset, 64) != 0) | |
69 | FAIL_EXIT1 ("3rd posix_fallocate call failed"); | |
70 | ||
71 | if (fstat (temp_fd, &st) != 0) | |
72 | FAIL_EXIT1 ("4th fstat failed"); | |
73 | ||
74 | if (st.st_size != (offset + 64)) | |
75 | FAIL_EXIT1 ("file size after first posix_fallocate call is %llu, " | |
76 | "expected %u", | |
77 | (unsigned long long int) st.st_size, 2048u + 64u); | |
78 | ||
79 | return 0; | |
80 | } | |
c23de0aa FW |
81 | |
82 | /* This function is defined by the individual tests. */ | |
83 | static int do_test (void); | |
84 | ||
85 | #include <support/test-driver.c> |