for windows we must open files in O_BINARY mode

[rrdtool.git] / src / rrd_create.c

diff --git a/src/rrd_create.c b/src/rrd_create.c
index bb8d45d..028123e 100644 (file)
--- a/src/rrd_create.c
+++ b/src/rrd_create.c
@@ -675,8 +675,12 @@ int rrd_create_fn(
     int       unkn_cnt;
     rrd_file_t *rrd_file_dn;
     rrd_t     rrd_dn;
+    unsigned flags = O_WRONLY | O_CREAT | O_TRUNC;
+#if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
+    flags |= O_BINARY;
+#endif
 
-    if ((rrd_file = open(file_name, O_WRONLY | O_CREAT | O_TRUNC, 0666)) < 0) {
+    if ((rrd_file = open(file_name, flags, 0666)) < 0) {
         rrd_set_error("creating '%s': %s", file_name, rrd_strerror(errno));
         free(rrd->stat_head);
         free(rrd->live_head);