| 1 | /* Basic fallocate64 test (no specific flags is checked). |
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| 2 | Copyright (C) 2016-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #define _FILE_OFFSET_BITS 64 |
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| 20 | #include "tst-fallocate-common.c" |
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| 21 | |
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| 22 | static int |
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| 23 | do_test (void) |
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| 24 | { |
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| 25 | ssize_t ret; |
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| 26 | |
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| 27 | ret = do_test_with_offset (offset: 0); |
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| 28 | if (ret == 1) |
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| 29 | return 1; |
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| 30 | |
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| 31 | off_t base_offset = UINT32_MAX + 2048LL; |
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| 32 | ret = do_test_with_offset (offset: base_offset); |
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| 33 | if (ret == 1) |
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| 34 | return 1; |
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| 35 | |
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| 36 | struct stat st; |
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| 37 | if (fstat (fd: temp_fd, buf: &st) == -1) |
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| 38 | FAIL_EXIT1 ("fstat on temporary file failed: %m" ); |
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| 39 | |
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| 40 | /* The file size should >= base_offset plus bytes written. */ |
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| 41 | off_t expected_value = base_offset + ret; |
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| 42 | if (st.st_size < expected_value) |
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| 43 | FAIL_EXIT1 ("file size less than expected (%jd > %jd)" , |
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| 44 | (intmax_t) expected_value, (intmax_t) st.st_size); |
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| 45 | |
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| 46 | return 0; |
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| 47 | } |
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| 48 | |
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