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more corrupt hlr catches

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This commit is contained in:
gardners 2011-10-02 21:41:13 +10:30
parent 80f5f5f834
commit d9163053d3
1 changed files with 10 additions and 1 deletions
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11
hlrdata.c
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@ -241,13 +241,22 @@ int hlrGetRecordLength(unsigned char *hlr,int hofs)
if (debug>2) fprintf(stderr,"HLR record @ 0x%x is %d bytes long.\n",hofs,record_length);
if (record_length<0) return 0;
if (record_length<0) {
// fix corrupt entries
hlr[hofs+3]=0;
hlr[hofs+2]=0;
hlr[hofs+1]=0;
hlr[hofs+0]=0;
return 0;
}
return record_length;
}
int hlrSetRecordLength(unsigned char *hlr,int hofs,int length)
{
if (length<0) length=0;
hlr[hofs+3]=length&0xff;
hlr[hofs+2]=(length>>8)&0xff;
hlr[hofs+1]=(length>>16)&0xff;