[Qemu-devel] [PATCH] vnc: Clean up vncws_send_handshake_response()

[Markus Armbruster]

Use appropriate types, drop superfluous casts, use sizeof, don't
exploit that this particular call of gnutls_fingerprint() doesn't
change its last argument.

Signed-off-by: Markus Armbruster <arm...@redhat.com>
---
 ui/vnc-ws.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/ui/vnc-ws.c b/ui/vnc-ws.c
index 9ccdc19..de7e74c 100644
--- a/ui/vnc-ws.c
+++ b/ui/vnc-ws.c
@@ -120,8 +120,8 @@ static char *vncws_extract_handshake_entry(const char 
*handshake,
 static void vncws_send_handshake_response(VncState *vs, const char* key)
 {
     char combined_key[WS_CLIENT_KEY_LEN + WS_GUID_LEN + 1];
-    char hash[SHA1_DIGEST_LEN];
-    size_t hash_size = SHA1_DIGEST_LEN;
+    unsigned char hash[SHA1_DIGEST_LEN];
+    size_t hash_size = sizeof(hash);
     char *accept = NULL, *response = NULL;
     gnutls_datum_t in;
 
@@ -133,7 +133,7 @@ static void vncws_send_handshake_response(VncState *vs, 
const char* key)
     in.size = WS_CLIENT_KEY_LEN + WS_GUID_LEN;
     if (gnutls_fingerprint(GNUTLS_DIG_SHA1, &in, hash, &hash_size)
             == GNUTLS_E_SUCCESS) {
-        accept = g_base64_encode((guchar *)hash, SHA1_DIGEST_LEN);
+        accept = g_base64_encode(hash, hash_size);
     }
     if (accept == NULL) {
         VNC_DEBUG("Hashing Websocket combined key failed\n");
-- 
1.7.11.7