Mercurial > pidgin3 / changeset

--- a/libpurple/protocols/qq/qq_crypt.c	Sun May 10 23:41:06 2009 +0000
+++ b/libpurple/protocols/qq/qq_crypt.c	Mon May 11 01:37:56 2009 +0000
@@ -163,9 +163,11 @@
 		c32_prev[0] = crypted32[0]; c32_prev[1] = crypted32[1];
 		
 		/* set next 64 bits want to crypt*/
-		crypted_ptr += 8;
-		memcpy(crypted32, crypted_ptr, sizeof(crypted32));
-		plain32[0] = crypted32[0] ^ c32_prev[0]; plain32[1] = crypted32[1] ^ c32_prev[1];
+		if (count64 > 0) {
+			crypted_ptr += 8;
+			memcpy(crypted32, crypted_ptr, sizeof(crypted32));
+			plain32[0] = crypted32[0] ^ c32_prev[0]; plain32[1] = crypted32[1] ^ c32_prev[1];
+		}
 	}
 }