--- a/common-algo.c	Wed Feb 24 16:13:15 2010 +0000
+++ b/common-algo.c	Sat Feb 27 11:53:18 2010 +0000
@@ -31,7 +31,9 @@
 
 static int void_cipher(const unsigned char* in, unsigned char* out,
 		unsigned long len, void *cipher_state) {
-	memcpy(out, in, len);
+	if (in != out) {
+		memmove(out, in, len);
+	}
 	return CRYPT_OK;
 }
 
@@ -166,11 +168,16 @@
 	{NULL, 0, NULL, 0, NULL}
 };
 
-algo_type sshcompress[] = {
 #ifndef DISABLE_ZLIB
+algo_type ssh_compress[] = {
 	{"zlib", DROPBEAR_COMP_ZLIB, NULL, 1, NULL},
 	{"[email protected]", DROPBEAR_COMP_ZLIB_DELAY, NULL, 1, NULL},
+	{"none", DROPBEAR_COMP_NONE, NULL, 1, NULL},
+	{NULL, 0, NULL, 0, NULL}
+};
 #endif
+
+algo_type ssh_nocompress[] = {
 	{"none", DROPBEAR_COMP_NONE, NULL, 1, NULL},
 	{NULL, 0, NULL, 0, NULL}
 };