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| author | Benjamin Peterson <benjamin@python.org> | 2016-09-06 19:03:40 -0700 |
|---|---|---|
| committer | Benjamin Peterson <benjamin@python.org> | 2016-09-06 19:03:40 -0700 |
| commit | 4a757609d131a29ef52eddcae108b7052e13d31b (patch) | |
| tree | c5a1213b0ca4df58d45c5583df936a8ddd00e580 /Modules/hashtable.c | |
| parent | a1bc246dd5d86fc27fdcca708cf3eb2b2b803ac7 (diff) | |
| download | cpython-git-4a757609d131a29ef52eddcae108b7052e13d31b.tar.gz | |
do not memcpy from NULL
Diffstat (limited to 'Modules/hashtable.c')
| -rw-r--r-- | Modules/hashtable.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Modules/hashtable.c b/Modules/hashtable.c index 133f3133ef..fdddc19cff 100644 --- a/Modules/hashtable.c +++ b/Modules/hashtable.c @@ -327,7 +327,8 @@ _Py_hashtable_set(_Py_hashtable_t *ht, const void *key, entry->key_hash = key_hash; assert(data_size == ht->data_size); - memcpy(_Py_HASHTABLE_ENTRY_DATA(entry), data, data_size); + if (data) + memcpy(_Py_HASHTABLE_ENTRY_DATA(entry), data, data_size); _Py_slist_prepend(&ht->buckets[index], (_Py_slist_item_t*)entry); ht->entries++; |