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authorSebastian Hahn <sebastian@torproject.org>2009-09-28 16:37:01 +0200
committerSebastian Hahn <sebastian@torproject.org>2009-12-12 03:29:44 +0100
commit3807db001d71c51e53c1897ae067671f5b771f2f (patch)
tree6c6f648f072d24e7bbf554de12519b27cd9ef888 /src/common/aes.c
parent4afdb79051f7b1caba49877fb57be60bda9d4514 (diff)
downloadtor-3807db001d71c51e53c1897ae067671f5b771f2f.tar
tor-3807db001d71c51e53c1897ae067671f5b771f2f.tar.gz
*_free functions now accept NULL
Some *_free functions threw asserts when passed NULL. Now all of them accept NULL as input and perform no action when called that way. This gains us consistence for our free functions, and allows some code simplifications where an explicit null check is no longer necessary.
Diffstat (limited to 'src/common/aes.c')
-rw-r--r--src/common/aes.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/common/aes.c b/src/common/aes.c
index e07665635..451c31f02 100644
--- a/src/common/aes.c
+++ b/src/common/aes.c
@@ -263,7 +263,8 @@ aes_set_key(aes_cnt_cipher_t *cipher, const char *key, int key_bits)
void
aes_free_cipher(aes_cnt_cipher_t *cipher)
{
- tor_assert(cipher);
+ if (!cipher)
+ return;
#ifdef USE_OPENSSL_EVP
EVP_CIPHER_CTX_cleanup(&cipher->key);
#endif