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86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
/* Common posix_fallocate tests definitions.
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Copyright (C) 2016-2017 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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<http://www.gnu.org/licenses/>. */
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#include <fcntl.h>
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#include <limits.h>
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#include <stdint.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <support/support.h>
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#include <support/check.h>
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#include <support/temp_file.h>
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static char *temp_filename;
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static int temp_fd;
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static void
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do_prepare (int argc, char **argv)
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{
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temp_fd = create_temp_file ("tst-posix_fallocate.", &temp_filename);
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if (temp_fd == -1)
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FAIL_EXIT1 ("cannot create temporary file: %m\n");
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}
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#define PREPARE do_prepare
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static int
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do_test_with_offset (off_t offset)
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{
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struct stat st;
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if (posix_fallocate (temp_fd, offset, 768) != 0)
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FAIL_EXIT1 ("1st posix_fallocate call failed");
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if (fstat (temp_fd, &st) != 0)
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FAIL_EXIT1 ("2nd fstat failed");
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if (st.st_size != (offset + 768))
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FAIL_EXIT1 ("file size after first posix_fallocate call is %lu, "
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"expected %lu",
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(unsigned long int) st.st_size, 512lu + 768lu);
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if (posix_fallocate (temp_fd, 0, 1024) != 0)
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FAIL_EXIT1 ("2nd posix_fallocate call failed");
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if (fstat (temp_fd, &st) != 0)
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FAIL_EXIT1 ("3rd fstat failed");
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if (st.st_size != (offset) + 768)
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FAIL_EXIT1 ("file size changed in second posix_fallocate");
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offset += 2048;
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if (posix_fallocate (temp_fd, offset, 64) != 0)
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FAIL_EXIT1 ("3rd posix_fallocate call failed");
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if (fstat (temp_fd, &st) != 0)
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FAIL_EXIT1 ("4th fstat failed");
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if (st.st_size != (offset + 64))
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FAIL_EXIT1 ("file size after first posix_fallocate call is %llu, "
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"expected %u",
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(unsigned long long int) st.st_size, 2048u + 64u);
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return 0;
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}
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/* This function is defined by the individual tests. */
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static int do_test (void);
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#include <support/test-driver.c>
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