1 files changed, 19 insertions, 0 deletions
diff --git a/src/libstddjb/dirname.c b/src/libstddjb/dirname.c
new file mode 100644
index 0000000..1def443
--- /dev/null
+++ b/src/libstddjb/dirname.c
@@ -0,0 +1,19 @@
+/* ISC license. */
+
+/* MT-unsafe */
+
+#include <skalibs/bytestr.h>
+#include <skalibs/stralloc.h>
+#include <skalibs/djbunix.h>
+
+char *dirname (char *s)
+{
+  static stralloc dirname_sa = STRALLOC_ZERO ;
+  static char dot0[2] = "." ;
+  char *dot = dot0 ;
+  if (!s) return dot ;
+  dirname_sa.len = 0 ;
+  if (!sadirname(&dirname_sa, s, str_len(s))) return 0 ;
+  if (!stralloc_0(&dirname_sa)) return 0 ;
+  return dirname_sa.s ;
+}