From c365aeb0721d3749bb5f94f09a3ad97ec6131805 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Wed, 27 Sep 2017 20:16:01 +0000
Subject:  Rewrite openwrite(v)nclose using mkstemp

---
 src/libstddjb/writenclose_unsafe.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 src/libstddjb/writenclose_unsafe.c

(limited to 'src/libstddjb/writenclose_unsafe.c')

diff --git a/src/libstddjb/writenclose_unsafe.c b/src/libstddjb/writenclose_unsafe.c
new file mode 100644
index 0000000..f71caea
--- /dev/null
+++ b/src/libstddjb/writenclose_unsafe.c
@@ -0,0 +1,18 @@
+/* ISC license. */
+
+#include <sys/stat.h>
+#include <errno.h>
+#include <skalibs/allreadwrite.h>
+#include <skalibs/djbunix.h>
+
+int writenclose_unsafe_internal (int fd, char const *s, size_t len, dev_t *dev, ino_t *ino, int dosync)
+{
+  struct stat st ;
+  if (allwrite(fd, s, len) < len) return 0 ;
+  if ((dev || ino) && (fstat(fd, &st) < 0)) return 0 ;
+  if (dosync && (fd_sync(fd) < 0) && (errno != EINVAL)) return 0 ;
+  fd_close(fd) ;
+  if (dev) *dev = st.st_dev ;
+  if (ino) *ino = st.st_ino ;
+  return 1 ;
+}
-- 
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