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4751bbe2 | 1 | /* Tests for pread64 and pwrite64. |
2b778ceb | 2 | Copyright (C) 2016-2021 Free Software Foundation, Inc. |
4751bbe2 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/>. */ |
4751bbe2 | 18 | |
46870067 AZ |
19 | #define _FILE_OFFSET_BITS 64 |
20 | #include "tst-preadvwritev-common.c" | |
4751bbe2 | 21 | |
46870067 AZ |
22 | static int |
23 | do_test (void) | |
24 | { | |
25 | int ret; | |
26 | ||
27 | ret = do_test_with_offset (0); | |
28 | ||
aa42b3db FW |
29 | if (!temp_fd_supports_holes) |
30 | { | |
31 | puts ("warning: partial test due to lack of support for holes"); | |
32 | return ret; | |
33 | } | |
34 | ||
46870067 AZ |
35 | /* Create a sparse file larger than 4GB to check if offset is handled |
36 | correctly in p{write,read}v64. */ | |
37 | off_t base_offset = UINT32_MAX + 2048LL; | |
38 | ret += do_test_with_offset (base_offset); | |
39 | ||
40 | struct stat st; | |
41 | if (fstat (temp_fd, &st) == -1) | |
42 | { | |
43 | printf ("error: fstat on temporary file failed: %m"); | |
44 | return 1; | |
45 | } | |
46 | ||
47 | /* The total size should base_offset plus 2 * 96. */ | |
48 | off_t expected_value = base_offset + (2 * (96LL)); | |
49 | if (st.st_size != expected_value) | |
50 | { | |
51 | printf ("error: file size different than expected (%jd != %jd)\n", | |
52 | (intmax_t) expected_value, (intmax_t) st.st_size); | |
53 | return 1; | |
54 | } | |
55 | ||
56 | return ret; | |
57 | } |