1 files changed, 30 insertions, 0 deletions
diff --git a/src/libstddjb/openwritevnclose_suffix.c b/src/libstddjb/openwritevnclose_suffix.c
new file mode 100644
index 0000000..0440960
--- /dev/null
+++ b/src/libstddjb/openwritevnclose_suffix.c
@@ -0,0 +1,30 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <skalibs/uint64.h>
+#include <skalibs/bytestr.h>
+#include <skalibs/siovec.h>
+#include <skalibs/djbunix.h>
+
+int openwritevnclose_suffix_internal (char const *fn, siovec_t const *v, unsigned int n, uint64 *dev, uint64 *ino, int dosync, char const *suffix)
+{
+  uint64 tmpdev, tmpino ;
+  unsigned int len = str_len(fn) ;
+  unsigned int suffixlen = str_len(suffix) ;
+  char tmp[len + suffixlen + 1] ;
+  byte_copy(tmp, len, fn) ;
+  byte_copy(tmp + len, suffixlen + 1, suffix) ;
+  if (!openwritevnclose_unsafe_internal(tmp, v, n, dev ? &tmpdev : 0, ino ? &tmpino : 0, dosync)) return 0 ;	
+  if (rename(tmp, fn) < 0)
+  {
+    register int e = errno ;
+    unlink(tmp) ;
+    errno = e ;
+    return 0 ;
+  }
+  if (dev) *dev = tmpdev ;
+  if (ino) *ino = tmpino ;
+  return 1 ;
+}