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| author | Rainer Gerhards <rgerhards@adiscon.com> | 2013-10-18 07:02:27 +0200 |
|---|---|---|
| committer | Rainer Gerhards <rgerhards@adiscon.com> | 2013-10-18 07:02:27 +0200 |
| commit | dc1f81addfd428fca2c8115ebbfdb2e8a26d8375 (patch) | |
| tree | 87962f907f8dd900137925e5869c4ed6b67fac66 /grammar/rainerscript.c | |
| parent | cc66470d2f9abf1746fa210403b99c50eb6f59d9 (diff) | |
| download | rsyslog-dc1f81addfd428fca2c8115ebbfdb2e8a26d8375.tar.gz rsyslog-dc1f81addfd428fca2c8115ebbfdb2e8a26d8375.tar.bz2 rsyslog-dc1f81addfd428fca2c8115ebbfdb2e8a26d8375.zip | |
bugfix: segfault if re_extract() function was used and no match found
Diffstat (limited to 'grammar/rainerscript.c')
| -rw-r--r-- | grammar/rainerscript.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/grammar/rainerscript.c b/grammar/rainerscript.c index f4833679..f9c5047c 100644 --- a/grammar/rainerscript.c +++ b/grammar/rainerscript.c @@ -1315,7 +1315,10 @@ finalize_it: if(bHadNoMatch) { cnfexprEval(func->expr[4], &r[4], usrptr); estr = var2String(&r[4], &bMustFree); - if(r[4].datatype == 'S') es_deleteStr(r[4].d.estr); + /* Note that we do NOT free the string that was returned/created + * for r[4]. We pass it to the caller, which in turn frees it. + * This saves us doing one unnecessary memory alloc & write. + */ } ret->datatype = 'S'; ret->d.estr = estr; |