1 files changed, 63 insertions, 0 deletions
diff --git a/lib/ext2fs/tst_getsectsize.c b/lib/ext2fs/tst_getsectsize.c
new file mode 100644
index 0000000..d616965
--- /dev/null
+++ b/lib/ext2fs/tst_getsectsize.c
@@ -0,0 +1,63 @@
+/*
+ * tst_getsize.c --- this function tests the getsize function
+ *
+ * Copyright (C) 1997 by Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+#include "config.h"
+#include <stdio.h>
+#include <string.h>
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <fcntl.h>
+#include <time.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+
+#include "ext2_fs.h"
+#include "ext2fs.h"
+
+int main(int argc, char **argv)
+{
+	int	lsectsize, psectsize;
+	int	retval;
+	int	fd;
+
+	if (argc < 2) {
+		fprintf(stderr, "Usage: %s device\n", argv[0]);
+		exit(1);
+	}
+
+	retval = ext2fs_get_device_sectsize(argv[1], &lsectsize);
+	if (retval) {
+		com_err(argv[0], retval,
+			"while calling ext2fs_get_device_sectsize");
+		exit(1);
+	}
+	retval = ext2fs_get_device_phys_sectsize(argv[1], &psectsize);
+	if (retval) {
+		com_err(argv[0], retval,
+			"while calling ext2fs_get_device_phys_sectsize");
+		exit(1);
+	}
+	printf("Device %s has logical/physical sector size of %d/%d.\n",
+	       argv[1], lsectsize, psectsize);
+	fd = open(argv[1], O_RDONLY);
+	if (fd < 0) {
+		perror("open");
+		exit(1);
+	}
+	printf("The device's DIO alignment is %d\n",
+	       ext2fs_get_dio_alignment(fd));
+	close(fd);
+	exit(0);
+}