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* regparse.c (and_cclass, or_cclass): fix memory leak. Coverity Scan

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found this bug.  [ruby-dev:42579]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29803 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
mame 2010-11-15 16:06:35 +00:00
parent 16b7c1e3c6
commit 0dbe6b6113
2 changed files with 17 additions and 14 deletions
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5
ChangeLog
View file

@ -1,3 +1,8 @@
Tue Nov 16 00:21:20 2010 Yusuke Endoh <mame@tsg.ne.jp>
* regparse.c (and_cclass, or_cclass): fix memory leak. Coverity Scan
found this bug. [ruby-dev:42579]
Tue Nov 16 00:07:32 2010 Yusuke Endoh <mame@tsg.ne.jp>
* gc.c (assign_heap_slot): fix fear of memory leak and memory

26
regparse.c
View file

@ -2006,7 +2006,7 @@ and_cclass(CClassNode* dest, CClassNode* cc, ScanEnv* env)
{
OnigEncoding enc = env->enc;
int r, not1, not2;
BBuf *buf1, *buf2, *pbuf;
BBuf *buf1, *buf2, *pbuf = 0;
BitSetRef bsr1, bsr2;
BitSet bs1, bs2;
@ -2041,17 +2041,16 @@ and_cclass(CClassNode* dest, CClassNode* cc, ScanEnv* env)
else {
r = and_code_range_buf(buf1, not1, buf2, not2, &pbuf, env);
if (r == 0 && not1 != 0) {
BBuf *tbuf;
BBuf *tbuf = 0;
r = not_code_range_buf(enc, pbuf, &tbuf, env);
if (r != 0) {
bbuf_free(pbuf);
return r;
}
bbuf_free(pbuf);
pbuf = tbuf;
}
}
if (r != 0) return r;
if (r != 0) {
bbuf_free(pbuf);
return r;
}
dest->mbuf = pbuf;
bbuf_free(buf1);
@ -2065,7 +2064,7 @@ or_cclass(CClassNode* dest, CClassNode* cc, ScanEnv* env)
{
OnigEncoding enc = env->enc;
int r, not1, not2;
BBuf *buf1, *buf2, *pbuf;
BBuf *buf1, *buf2, *pbuf = 0;
BitSetRef bsr1, bsr2;
BitSet bs1, bs2;
@ -2100,17 +2099,16 @@ or_cclass(CClassNode* dest, CClassNode* cc, ScanEnv* env)
else {
r = or_code_range_buf(enc, buf1, not1, buf2, not2, &pbuf, env);
if (r == 0 && not1 != 0) {
BBuf *tbuf;
BBuf *tbuf = 0;
r = not_code_range_buf(enc, pbuf, &tbuf, env);
if (r != 0) {
bbuf_free(pbuf);
return r;
}
bbuf_free(pbuf);
pbuf = tbuf;
}
}
if (r != 0) return r;
if (r != 0) {
bbuf_free(pbuf);
return r;
}
dest->mbuf = pbuf;
bbuf_free(buf1);