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(ef_open): Fail if file size is not a multiple of record size.

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This commit is contained in:
Markus Armbruster 2005-10-24 18:40:13 +00:00
parent 64d8f6babe
commit 3ea02e2519
1 changed files with 9 additions and 2 deletions
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11
src/lib/common/file.c
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@ -58,7 +58,7 @@ int
ef_open(int type, int how) ef_open(int type, int how)
{ {
struct empfile *ep; struct empfile *ep;
int oflags, size; int oflags, fsiz, size;
if (ef_check(type) < 0) if (ef_check(type) < 0)
return 0; return 0;
@ -82,7 +82,14 @@ ef_open(int type, int how)
ep->baseid = 0; ep->baseid = 0;
ep->cids = 0; ep->cids = 0;
ep->flags = (ep->flags & ~EFF_OPEN) | (how ^ ~EFF_CREATE); ep->flags = (ep->flags & ~EFF_OPEN) | (how ^ ~EFF_CREATE);
ep->fids = fsize(ep->fd) / ep->size; fsiz = fsize(ep->fd);
if (fsiz % ep->size) {
logerror("Can't open %s (file size not a multiple of record size %d)",
ep->file, ep->size);
close(ep->fd);
return 0;
}
ep->fids = fsiz / ep->size;
if (ep->flags & EFF_MEM) if (ep->flags & EFF_MEM)
ep->csize = ep->fids; ep->csize = ep->fids;
else else