initial commit with rc for skalibs-2.0.0.0

1 files changed, 35 insertions, 0 deletions

diff --git a/src/libunixonacid/openwritenclose_devino_tmp.c b/src/libunixonacid/openwritenclose_devino_tmp.c
new file mode 100644
index 0000000..343da65
--- /dev/null
+++ b/src/libunixonacid/openwritenclose_devino_tmp.c
@@ -0,0 +1,35 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <unistd.h>
+#include <stdio.h>     /* for rename() */
+#include <skalibs/uint64.h>
+#include <skalibs/stralloc.h>
+#include <skalibs/djbunix.h>
+#include <skalibs/random.h>
+#include <skalibs/unix-transactional.h>
+
+int openwritenclose_devino_tmp (char const *fn, char const *s, unsigned int len, uint64 *dev, uint64 *ino, stralloc *tmp)
+{
+  uint64 tmpdev, tmpino ;
+  unsigned int base = tmp->len ;
+  if (!stralloc_cats(tmp, fn)) return 0 ;
+  if (random_sauniquename(tmp, 8) < 0) goto fail ;
+  if (!stralloc_0(tmp)) goto fail ;
+  if (!openwritenclose_unsafe_devino_sync(tmp->s + base, s, len, &tmpdev, &tmpino)) goto fail ;
+  if (rename(tmp->s + base, fn) < 0)
+  {
+    register int e = errno ;
+    unlink(tmp->s + base) ;
+    errno = e ;
+    goto fail ;
+  }
+  tmp->len = base ;
+  *dev = tmpdev ;
+  *ino = tmpino ;
+  return 1 ;
+
+ fail:
+  tmp->len = base ;
+  return 0 ;
+}