1 files changed, 25 insertions, 0 deletions
diff --git a/src/libunixonacid/openwritevnclose_at.c b/src/libunixonacid/openwritevnclose_at.c
new file mode 100644
index 0000000..7cff485
--- /dev/null
+++ b/src/libunixonacid/openwritevnclose_at.c
@@ -0,0 +1,25 @@
+/* ISC license. */
+
+#include <unistd.h>
+#include <errno.h>
+#include <skalibs/allreadwrite.h>
+#include <skalibs/siovec.h>
+#include <skalibs/djbunix.h>
+#include <skalibs/unix-transactional.h>
+
+unsigned int openwritevnclose_at (int dirfd, char const *file, siovec_t const *v, unsigned int n)
+{
+  register unsigned int r ;
+  int fd = open_truncatb(dirfd, file) ;
+  if (fd < 0) return 0 ;
+  r = allwritev(fd, v, n) ;
+  if (r < siovec_len(v, n) || fsync(fd) < 0)
+  {
+    register int e = errno ;
+    fd_close(fd) ;
+    errno = e ;
+    return r ;
+  }
+  fd_close(fd) ;
+  return r ;
+}