repo: init

1 files changed, 33 insertions, 0 deletions

diff --git a/util.c b/util.c
new file mode 100644
index 0000000..6e6079e
--- /dev/null
+++ b/util.c
@@ -0,0 +1,33 @@
+#include <sys/stat.h>
+#include <string.h>
+#include <errno.h>
+#include <linux/limits.h>
+
+#include "util.h"
+
+int r_mkdir(const char *path, mode_t mode)
+{
+	int r;
+	size_t len;
+	char *p;
+	char tmp[NAME_MAX + 1];
+
+	strncpy(tmp, path, sizeof(tmp) - 1);
+	len = strlen(tmp);
+	if(tmp[len - 1] == '/')
+		tmp[len - 1] = '\0';
+
+	for (p = tmp + 1; *p; ++p) {
+		if (*p == '/') {
+			*p = '\0';
+
+			r = mkdir(tmp, mode);
+			if (r && !(errno & EEXIST))
+				return r;
+
+			*p = '/';
+		}
+	}
+
+	return mkdir(path, mode);
+}