Move mkdirp() to libutil

libutil/mkdirp.c

@@ -0,0 +1,30 @@
+/* See LICENSE file for copyright and license details. */
+#include <sys/stat.h>
+
+#include <errno.h>
+#include <limits.h>
+
+#include "../util.h"
+
+int
+mkdirp(const char *path)
+{
+	char tmp[PATH_MAX], *p;
+
+	estrlcpy(tmp, path, sizeof(tmp));
+	for (p = tmp + (tmp[0] == '/'); *p; p++) {
+		if (*p != '/')
+			continue;
+		*p = '\0';
+		if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST) {
+			weprintf("mkdir %s:", tmp);
+			return -1;
+		}
+		*p = '/';
+	}
+	if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST) {
+		weprintf("mkdir %s:", tmp);
+		return -1;
+	}
+	return 0;
+}