summaryrefslogtreecommitdiffstats
path: root/Modules
diff options
context:
space:
mode:
authorGuido van Rossum <guido@python.org>1996-06-11 18:33:14 (GMT)
committerGuido van Rossum <guido@python.org>1996-06-11 18:33:14 (GMT)
commitab28c56fd39f0edc24e2765d5b69b7f7c21d9d71 (patch)
treee0e59f34378c6ca0d24d333346a615d5d00b31d4 /Modules
parent6602099e7c8eca0f3051d1e5bd92e634dd83ffd4 (diff)
downloadcpython-ab28c56fd39f0edc24e2765d5b69b7f7c21d9d71.zip
cpython-ab28c56fd39f0edc24e2765d5b69b7f7c21d9d71.tar.gz
cpython-ab28c56fd39f0edc24e2765d5b69b7f7c21d9d71.tar.bz2
Avoid core dump on symcomp("").
Diffstat (limited to 'Modules')
-rw-r--r--Modules/regexmodule.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/Modules/regexmodule.c b/Modules/regexmodule.c
index 893f4fc..33801af 100644
--- a/Modules/regexmodule.c
+++ b/Modules/regexmodule.c
@@ -398,6 +398,11 @@ symcomp(pattern, gdict)
object *npattern;
int require_escape = re_syntax & RE_NO_BK_PARENS ? 0 : 1;
+ if (oend == opat) {
+ INCREF(pattern);
+ return pattern;
+ }
+
npattern = newsizedstringobject((char*)NULL, getstringsize(pattern));
if (npattern == NULL)
return NULL;
@@ -466,7 +471,6 @@ symcomp(pattern, gdict)
if (resizestring(&npattern, n - getstringvalue(npattern)) == 0)
return npattern;
else {
- DECREF(npattern);
return NULL;
}