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-rw-r--r--io/tst-posix_fallocate-common.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/io/tst-posix_fallocate-common.c b/io/tst-posix_fallocate-common.c
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index 0000000000..43ed9442d4
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+++ b/io/tst-posix_fallocate-common.c
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+/* Common posix_fallocate tests definitions.
+ Copyright (C) 2016-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fcntl.h>
+#include <limits.h>
+#include <stdint.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <support/support.h>
+#include <support/check.h>
+#include <support/temp_file.h>
+
+static char *temp_filename;
+static int temp_fd;
+
+static void
+do_prepare (int argc, char **argv)
+{
+ temp_fd = create_temp_file ("tst-posix_fallocate.", &temp_filename);
+ if (temp_fd == -1)
+ FAIL_EXIT1 ("cannot create temporary file: %m\n");
+}
+#define PREPARE do_prepare
+
+static int
+do_test_with_offset (off_t offset)
+{
+ struct stat st;
+
+ if (posix_fallocate (temp_fd, offset, 768) != 0)
+ FAIL_EXIT1 ("1st posix_fallocate call failed");
+
+ if (fstat (temp_fd, &st) != 0)
+ FAIL_EXIT1 ("2nd fstat failed");
+
+ if (st.st_size != (offset + 768))
+ FAIL_EXIT1 ("file size after first posix_fallocate call is %lu, "
+ "expected %lu",
+ (unsigned long int) st.st_size, 512lu + 768lu);
+
+ if (posix_fallocate (temp_fd, 0, 1024) != 0)
+ FAIL_EXIT1 ("2nd posix_fallocate call failed");
+
+ if (fstat (temp_fd, &st) != 0)
+ FAIL_EXIT1 ("3rd fstat failed");
+
+ if (st.st_size != (offset) + 768)
+ FAIL_EXIT1 ("file size changed in second posix_fallocate");
+
+ offset += 2048;
+ if (posix_fallocate (temp_fd, offset, 64) != 0)
+ FAIL_EXIT1 ("3rd posix_fallocate call failed");
+
+ if (fstat (temp_fd, &st) != 0)
+ FAIL_EXIT1 ("4th fstat failed");
+
+ if (st.st_size != (offset + 64))
+ FAIL_EXIT1 ("file size after first posix_fallocate call is %llu, "
+ "expected %u",
+ (unsigned long long int) st.st_size, 2048u + 64u);
+
+ return 0;
+}
+
+/* This function is defined by the individual tests. */
+static int do_test (void);
+
+#include <support/test-driver.c>