1 files changed, 85 insertions, 0 deletions
diff --git a/io/tst-posix_fallocate-common.c b/io/tst-posix_fallocate-common.c
new file mode 100644
index 0000000000..2f15a5df18
--- /dev/null
+++ b/io/tst-posix_fallocate-common.c
@@ -0,0 +1,85 @@
+/* Common posix_fallocate tests definitions.
+   Copyright (C) 2016 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 <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+static void do_prepare (void);
+#define PREPARE(argc, argv)     do_prepare ()
+static int do_test (void);
+#define TEST_FUNCTION           do_test ()
+
+#define TIMEOUT 20 /* sec.  */
+
+#include <test-skeleton.c>
+
+static char *temp_filename;
+static int temp_fd;
+
+static void
+do_prepare (void)
+{
+  temp_fd = create_temp_file ("tst-posix_fallocate.", &temp_filename);
+  if (temp_fd == -1)
+    FAIL_EXIT1 ("cannot create temporary file: %m\n");
+}
+
+#define FAIL(str) \
+  do { printf ("error: %s (line %d)\n", str, __LINE__); return 1; } while (0)
+
+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;
+}