From 3534b428629be185e096be99e3bd5fdfe32d5544 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Thu, 18 Sep 2014 18:55:44 +0000
Subject: initial commit with rc for skalibs-2.0.0.0

---
 src/libunixonacid/mkdir_unique.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 src/libunixonacid/mkdir_unique.c

(limited to 'src/libunixonacid/mkdir_unique.c')

diff --git a/src/libunixonacid/mkdir_unique.c b/src/libunixonacid/mkdir_unique.c
new file mode 100644
index 0000000..523ecef
--- /dev/null
+++ b/src/libunixonacid/mkdir_unique.c
@@ -0,0 +1,24 @@
+/* ISC license. */
+
+#include <sys/stat.h>
+#include <skalibs/stralloc.h>
+#include <skalibs/random.h>
+#include <skalibs/unix-transactional.h>
+
+int mkdir_unique (stralloc *sa, char const *fn, unsigned int mode)
+{
+  unsigned int base = sa->len ;
+  int wasnull = !sa->s ;
+  if (!stralloc_cats(sa, fn)) return 0 ;
+  if (!stralloc_cats(sa, "/mkdir_unique")) goto fail ;
+  if (random_sauniquename(sa, 8) < 0) goto fail ;
+  if (!stralloc_0(sa)) goto fail ;
+  if (mkdir(sa->s + base, mode) < 0) goto fail ;
+  sa->len-- ;
+  return 1 ;
+
+ fail:
+  if (wasnull) stralloc_free(sa) ;
+  else sa->len = base ;
+  return 0 ;
+}
-- 
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