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libhtml: plug quite a few memory leaks

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Change-Id: I45bd62a590373669e90183cc2b2ee56570c007f5
This commit is contained in:
Neven Sajko 2019-08-18 13:46:43 +00:00 • committed by Dan Cross
parent 2738cc3cfc
commit 8241eca986
2 changed files with 13 additions and 4 deletions
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14
src/libhtml/lex.c
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@ -540,8 +540,11 @@ _gettoks(uchar* data, int datalen, int chset, int mtype, int* plen)
if(dbglex)
fprint(2, "lex: returning %d tokens\n", ai);
*plen = ai;
if(ai == 0)
free(ts);
if(ai == 0) {
free(a);
return nil;
}
return a;
}
@ -603,15 +606,18 @@ getplaindata(TokenSource* ts, Token* a, int* pai)
}
/* Return concatenation of s and buf[0:j] */
/* Frees s. */
static Rune*
buftostr(Rune* s, Rune* buf, int j)
{
Rune *tmp;
buf[j] = 0;
if(s == nil)
s = _Strndup(buf, j);
tmp = _Strndup(buf, j);
else
s = _Strdup2(s, buf);
return s;
tmp = _Strdup2(s, buf);
free(s);
return tmp;
}
/* Gather data up to next start-of-tag or end-of-buffer. */