Add fs-tests from Adrian Hunter

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: Josh Boyer <jwboyer@gmail.com>

1 files changed, 56 insertions, 0 deletions

diff --git a/tests/fs-tests/utils/free_space.c b/tests/fs-tests/utils/free_space.c
new file mode 100644
index 0000000..88036aa
--- /dev/null
+++ b/tests/fs-tests/utils/free_space.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2007 Nokia Corporation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ * Author: Adrian Hunter
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <sys/statvfs.h>
+
+int main(int argc, char *argv[])
+{
+	char *dir_name = ".";
+	uint64_t free_space;
+	struct statvfs fs_info;
+
+	if (argc > 1) {
+		if (strncmp(argv[1], "--help", 6) == 0 ||
+				strncmp(argv[1], "-h", 2) == 0) {
+			printf(	"Usage is: "
+				"free_space [directory]\n"
+				"\n"
+				"Display the free space of the file system "
+				"of the directory given\n"
+				"or the current directory if no "
+				"directory is given.\nThe value output is "
+				"in bytes.\n"
+				);
+			return 1;
+		}
+		dir_name = argv[1];
+	}
+	if (statvfs(dir_name, &fs_info) == -1)
+		return 1;
+
+	free_space = (uint64_t) fs_info.f_bavail * (uint64_t) fs_info.f_frsize;
+
+	printf("%llu\n", (unsigned long long) free_space);
+
+	return 0;
+}