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venti updates

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rsc 2005-07-24 20:15:44 +00:00
parent 7ba8aa0c70
commit 23fb2edb22
13 changed files with 166 additions and 48 deletions
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12
src/libventi/entry.c
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@ -7,7 +7,7 @@ static int
checksize(int n)
{
if(n < 256 || n > VtMaxLumpSize) {
werrstr("bad block size");
werrstr("bad block size %#ux", n);
return -1;
}
return 0;
@ -77,6 +77,16 @@ vtentryunpack(VtEntry *e, uchar *p, int index)
if(!(e->flags & VtEntryActive))
return 0;
/*
* Some old vac files use psize==0 and dsize==0 when the
* file itself has size 0 or is zeros. Just to make programs not
* have to figure out what block sizes of 0 means, rewrite them.
*/
if(e->psize == 0 && e->dsize == 0
&& memcmp(e->score, vtzeroscore, VtScoreSize) == 0){
e->psize = 4096;
e->dsize = 4096;
}
if(checksize(e->psize) < 0 || checksize(e->dsize) < 0)
return -1;