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-rw-r--r--Modules/dbmmodule.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/Modules/dbmmodule.c b/Modules/dbmmodule.c
index 867461f..2ec43ff 100644
--- a/Modules/dbmmodule.c
+++ b/Modules/dbmmodule.c
@@ -168,6 +168,7 @@ dbm_keys(dp, args)
{
register object *v, *item;
datum key;
+ int err;
if (dp == NULL || !is_dbmobject(dp)) {
err_badcall();
@@ -179,11 +180,18 @@ dbm_keys(dp, args)
if (v == NULL)
return NULL;
for (key = dbm_firstkey(dp->di_dbm); key.dptr;
- key = dbm_nextkey(dp->di_dbm) ) {
- item = newsizedstringobject(key.dptr, key.dsize);
- if ( item == 0 )
- return NULL;
- addlistitem(v, item);
+ key = dbm_nextkey(dp->di_dbm)) {
+ item = newsizedstringobject(key.dptr, key.dsize);
+ if (item == NULL) {
+ DECREF(v);
+ return NULL;
+ }
+ err = addlistitem(v, item);
+ DECREF(item);
+ if (err != 0) {
+ DECREF(v);
+ return NULL;
+ }
}
return v;
}