be more carefull in checking for sucessful open

[rrdtool.git] / src / rrd_open.c

diff --git a/src/rrd_open.c b/src/rrd_open.c
index a0ff80d..11476de 100644 (file)
--- a/src/rrd_open.c
+++ b/src/rrd_open.c
@@ -1,5 +1,5 @@
 /*****************************************************************************
- * RRDtool 1.2.7  Copyright by Tobi Oetiker, 1997-2005
+ * RRDtool 1.2.9  Copyright by Tobi Oetiker, 1997-2005
  *****************************************************************************
  * rrd_open.c  Open an RRD File
  *****************************************************************************
@@ -107,7 +107,7 @@ rrd_open(const char *file_name, FILE **in_file, rrd_t *rrd, int rdwr)
 
     MYFREAD(rrd->stat_head, stat_head_t,  1)
     /* lets see if the first read worked */
-    if (ferror( *in_file )){
+    if (ferror( *in_file ) || feof(*in_file)) {
        rrd_set_error("reading the cookie off %s faild",file_name);
        fclose(*in_file);
        return(-1);