diff options
Diffstat (limited to 'src/lib/rrdFile.js')
| -rw-r--r-- | src/lib/rrdFile.js | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/lib/rrdFile.js b/src/lib/rrdFile.js index 0f7c80d..81f7731 100644 --- a/src/lib/rrdFile.js +++ b/src/lib/rrdFile.js @@ -204,6 +204,8 @@ function RRDHeader(rrd_data) { // Internal, used for initialization
RRDHeader.prototype.validate_rrd = function() {
+ if (this.rrd_data.getLength()<1) throw new InvalidRRD("Empty file.");
+ if (this.rrd_data.getLength()<16) throw new InvalidRRD("File too short.");
if (this.rrd_data.getCStringAt(0,4)!=="RRD") throw new InvalidRRD("Wrong magic id.");
this.rrd_version=this.rrd_data.getCStringAt(4,5);
|