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fix an overflow bug

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This commit is contained in:
Bill Currie 2007-09-21 10:43:27 +00:00 committed by Jeff Teunissen
parent e38bf6dd98
commit 7ceea13e10
1 changed files with 1 additions and 1 deletions
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2
libs/util/dstring.c
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@ -171,7 +171,7 @@ dstring_replace (dstring_t *dstr, unsigned int pos, unsigned int rlen,
unsigned int oldsize = dstr->size;
if (pos > dstr->size)
pos = dstr->size;
if (pos + rlen > dstr->size)
if (rlen > dstr->size - pos)
rlen = dstr->size - pos;
if (rlen < len) {
dstr->size += len - rlen;