libcrypt: do not cast away const of key/salt

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

diff --git a/libcrypt/crypt.c b/libcrypt/crypt.c
index 8b361d3..89a2614 100644 (file)
--- a/libcrypt/crypt.c
+++ b/libcrypt/crypt.c
@@ -12,10 +12,13 @@
 
 char *crypt(const char *key, const char *salt)
 {
+       const unsigned char *ukey = (const unsigned char *)key;
+       const unsigned char *usalt = (const unsigned char *)salt;
+
        /* First, check if we are supposed to be using the MD5 replacement
         * instead of DES...  */
        if (salt[0]=='$' && salt[1]=='1' && salt[2]=='$')
-               return __md5_crypt((unsigned char*)key, (unsigned char*)salt);
+               return __md5_crypt(ukey, usalt);
        else
-               return __des_crypt((unsigned char*)key, (unsigned char*)salt);
+               return __des_crypt(ukey, usalt);
 }