1 files changed, 81 insertions, 0 deletions
diff --git a/mkdir_r.c b/mkdir_r.c
new file mode 100644
index 0000000..d71c47c
--- /dev/null
+++ b/mkdir_r.c
@@ -0,0 +1,81 @@
+/*
+   Copyright 2020 Xavier Del Campo Romero
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+#include "mkdir_r.h"
+#include <string.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <errno.h>
+#include <stdio.h>
+
+int mkdir_r(const char *const path, int level)
+{
+    int ret = -1;
+    char *dir = NULL;
+    DIR *d = NULL;
+
+    if (!strlen(path))
+        goto exit;
+
+    const char *c = path;
+    int cur_level = 0;
+
+    while (cur_level <= level)
+    {
+        for (; *c && *c != '\\' && *c != '/'; c++)
+            ;
+
+        if (*c)
+            c++;
+
+        cur_level++;
+    }
+
+    const size_t sz = c - path + 1;
+
+    dir = malloc(sz);
+
+    if (!dir)
+        goto exit;
+
+    memcpy(dir, path, sz - 1);
+    dir[sz - 1] = '\0';
+
+    d = opendir(dir);
+
+    if (!d && mkdir(dir, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH))
+    {
+        perror("mkdir");
+        goto exit;
+    }
+
+    if (*c)
+        mkdir_r(path, cur_level);
+
+    /* No more levels left. */
+    ret = 0;
+
+exit:
+    if (dir)
+        free(dir);
+
+    if (d)
+        closedir(d);
+
+    return ret;
+}