1 files changed, 24 insertions, 0 deletions

diff --git a/nacl/curvecp/savesync.c b/nacl/curvecp/savesync.c
new file mode 100644
index 00000000..73074a4b
--- /dev/null
+++ b/nacl/curvecp/savesync.c
@@ -0,0 +1,24 @@
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include "open.h"
+#include "savesync.h"
+#include "writeall.h"
+
+static int writesync(int fd,const void *x,long long xlen)
+{
+  if (writeall(fd,x,xlen) == -1) return -1;
+  return fsync(fd);
+}
+
+int savesync(const char *fn,const void *x,long long xlen)
+{
+  int fd;
+  int r;
+  fd = open_write(fn);
+  if (fd == -1) return -1;
+  r = writesync(fd,x,xlen);
+  close(fd);
+  return r;
+}