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authorAnton L. Šijanec <anton@sijanec.eu>2020-04-29 22:38:41 +0200
committerAnton L. Šijanec <anton@sijanec.eu>2020-04-29 22:38:41 +0200
commit52a5a9d9bd8d767bd76c02f20668e1c7d92e33f6 (patch)
treebda89def263033aa7efc2f87e55b9c7add3013c0 /lib/mkdirp.c
parentdelam. (diff)
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Diffstat (limited to 'lib/mkdirp.c')
-rw-r--r--lib/mkdirp.c46
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;
+}