58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
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/* Tests for pread64 and pwrite64.
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Copyright (C) 2016-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#define _FILE_OFFSET_BITS 64
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#include "tst-preadvwritev-common.c"
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static int
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do_test (void)
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{
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int ret;
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ret = do_test_with_offset (0);
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if (!temp_fd_supports_holes)
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{
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puts ("warning: partial test due to lack of support for holes");
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return ret;
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}
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/* Create a sparse file larger than 4GB to check if offset is handled
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correctly in p{write,read}v64. */
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off_t base_offset = UINT32_MAX + 2048LL;
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ret += do_test_with_offset (base_offset);
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struct stat st;
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if (fstat (temp_fd, &st) == -1)
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{
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printf ("error: fstat on temporary file failed: %m");
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return 1;
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}
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/* The total size should base_offset plus 2 * 96. */
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off_t expected_value = base_offset + (2 * (96LL));
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if (st.st_size != expected_value)
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{
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printf ("error: file size different than expected (%jd != %jd)\n",
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(intmax_t) expected_value, (intmax_t) st.st_size);
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return 1;
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}
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return ret;
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}
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