1 files changed, 56 insertions, 0 deletions
diff --git a/lib/unlink-recursive.c b/lib/unlink-recursive.c
new file mode 100644
index 0000000000..a4885538c0
--- /dev/null
+++ b/lib/unlink-recursive.c
@@ -0,0 +1,56 @@
+#include <common.h>
+#include <libbb.h>
+#include <fs.h>
+
+static char unlink_recursive_failedpath[PATH_MAX];
+
+struct data {
+	int error;
+};
+
+static int file_action(const char *filename, struct stat *statbuf,
+			    void *userdata, int depth)
+{
+	struct data *data = userdata;
+	int ret;
+
+	ret = unlink(filename);
+	if (ret) {
+		strcpy(unlink_recursive_failedpath, filename);
+		data->error = ret;
+	}
+
+	return ret ? 0 : 1;
+}
+
+static int dir_action(const char *dirname, struct stat *statbuf,
+			    void *userdata, int depth)
+{
+	struct data *data = userdata;
+	int ret;
+
+	ret = rmdir(dirname);
+	if (ret) {
+		strcpy(unlink_recursive_failedpath, dirname);
+		data->error = ret;
+	}
+
+	return ret ? 0 : 1;
+}
+
+int unlink_recursive(const char *path, char **failedpath)
+{
+	struct data data = {};
+	int ret;
+
+	if (failedpath)
+		*failedpath = NULL;
+
+	ret = recursive_action(path, ACTION_RECURSE | ACTION_DEPTHFIRST,
+			file_action, dir_action, &data, 0);
+
+	if (!ret && failedpath)
+		*failedpath = unlink_recursive_failedpath;
+
+	return ret ? 0 : errno;
+}