1 files changed, 46 insertions, 0 deletions

diff --git a/lib/mkdirp.c b/lib/mkdirp.c
new file mode 100644
index 0000000..8c79cf4
--- /dev/null
+++ b/lib/mkdirp.c
@@ -0,0 +1,46 @@
+// borrowed from https://gist.github.com/JonathonReinhart/8c0d90191c38af2dcadb102c4e202950
+
+#include <string.h>
+#include <limits.h>     /* PATH_MAX */
+#include <sys/stat.h>   /* mkdir(2) */
+#include <errno.h>
+#ifndef PATH_MAX
+#define PATH_MAX 255
+#endif
+int mkdir_p(const char *path) {
+    /* Adapted from http://stackoverflow.com/a/2336245/119527 */
+    const size_t len = strlen(path);
+    char _path[PATH_MAX];
+    char *p; 
+
+    errno = 0;
+
+    /* Copy string so its mutable */
+    if (len > sizeof(_path)-1) {
+        errno = ENAMETOOLONG;
+        return -1; 
+    }   
+    strcpy(_path, path);
+
+    /* Iterate the string */
+    for (p = _path + 1; *p; p++) {
+        if (*p == '/') {
+            /* Temporarily truncate */
+            *p = '\0';
+
+            if (mkdir(_path, S_IRWXU) != 0) {
+                if (errno != EEXIST)
+                    return -1; 
+            }
+
+            *p = '/';
+        }
+    }   
+
+    if (mkdir(_path, S_IRWXU) != 0) {
+        if (errno != EEXIST)
+            return -1; 
+    }   
+
+    return 0;
+}