resolve some pointer signedness warnings

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@37285 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/rtp.c b/rtp.c
index 7303a8596f561e9bc9141e1011ca338cd9a27f76..8b290c97ca048cfc8953fb29b2a3869103de9398 100644 (file)
--- a/rtp.c
+++ b/rtp.c
@@ -302,8 +302,8 @@ static const char *stun_attr2str(int msg)
 }
 
 struct stun_state {
-       unsigned char *username;
-       unsigned char *password;
+       const char *username;
+       const char *password;
 };
 
 static int stun_process_attr(struct stun_state *state, struct stun_attr *attr)
@@ -313,10 +313,10 @@ static int stun_process_attr(struct stun_state *state, struct stun_attr *attr)
                        stun_attr2str(ntohs(attr->attr)), ntohs(attr->attr), ntohs(attr->len));
        switch(ntohs(attr->attr)) {
        case STUN_USERNAME:
-               state->username = (unsigned char *)(attr->value);
+               state->username = (const char *) (attr->value);
                break;
        case STUN_PASSWORD:
-               state->password = (unsigned char *)(attr->value);
+               state->password = (const char *) (attr->value);
                break;
        default:
                if (stundebug)
@@ -455,7 +455,7 @@ static int stun_handle_packet(int s, struct sockaddr_in *src, unsigned char *dat
                case STUN_BINDREQ:
                        if (stundebug)
                                ast_verbose("STUN Bind Request, username: %s\n", 
-                                       st.username ? (const char *)st.username : "<none>");
+                                       st.username ? st.username : "<none>");
                        if (st.username)
                                append_attr_string(&attr, STUN_USERNAME, st.username, &resplen, &respleft);
                        append_attr_address(&attr, STUN_MAPPED_ADDRESS, src, &resplen, &respleft);