commit 1039875e261accd8a85799e224c07e1ce3b5b16a
author russor <toast@ruka.org> Wed Jun 12 12:04:56 2013 -0700
committer Jakub Stasiak <jakub@stasiak.at> Sat Sep 19 11:40:21 2015 +0200
tree caa578fc5a3eed2a38683cf0124f215315e29829
parent 1185c02914ccdeacd0034a61a87c9776a4152083

fix memory leak in bcrypt_nif:gen_salt

c_src/bcrypt_nif.c

diff --git a/c_src/bcrypt_nif.c b/c_src/bcrypt_nif.c
index b2f8adc..c551f6f 100644
--- a/c_src/bcrypt_nif.c
+++ b/c_src/bcrypt_nif.c
@@ -134,6 +134,7 @@
 {
     ErlNifBinary csalt, bin;
     unsigned long log_rounds;
+    ERL_NIF_TERM ret;
 
     if (!enif_inspect_binary(env, argv[0], &csalt) || 16 != csalt.size) {
         return enif_make_badarg(env);
@@ -152,7 +153,9 @@
     encode_salt((char *)bin.data, (u_int8_t*)csalt.data, csalt.size, log_rounds);
     enif_release_binary(&csalt);
 
-    return enif_make_string(env, (char *)bin.data, ERL_NIF_LATIN1);
+    ret = enif_make_string(env, (char *)bin.data, ERL_NIF_LATIN1);
+    enif_release_binary(&bin);
+    return ret;
 }
 
 static ERL_NIF_TERM bcrypt_hashpw(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])