correct some signed/unsigned issues found by GCC 4 (bug #4237)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5664 65c4cc65-6c06-0410-ace0-fbb531ad65f3

asterisk.c

@@ -327,7 +327,7 @@ static void *listener(void *unused)
 {
 	struct sockaddr_un sunaddr;
 	int s;
-	int len;
+	socklen_t len;
 	int x;
 	int flags;
 	struct pollfd fds[1];

channels/chan_iax2.c

@@ -6089,7 +6089,7 @@ static int socket_read(int *id, int fd, short events, void *cbdata)
 	int updatehistory=1;
 	int new = NEW_PREVENT;
 	char buf[4096], *ptr;
-	int len = sizeof(sin);
+	socklen_t len = sizeof(sin);
 	int dcallno = 0;
 	struct ast_iax2_full_hdr *fh = (struct ast_iax2_full_hdr *)buf;
 	struct ast_iax2_mini_hdr *mh = (struct ast_iax2_mini_hdr *)buf;

channels/chan_mgcp.c

@@ -297,7 +297,7 @@ struct mgcp_message {
 	unsigned int seqno;
 	int len;
 	struct mgcp_message *next;
-	unsigned char buf[0];
+	char buf[0];
 };
 
 #define RESPONSE_TIMEOUT 30	/* in seconds */
@@ -307,7 +307,7 @@ struct mgcp_response {
 	int len;
 	int seqno;
 	struct mgcp_response *next;
-	unsigned char buf[0];
+	char buf[0];
 };
 
 #define MAX_SUBS 2
@@ -722,7 +722,7 @@ static int retrans_pkt(void *data)
 
 /* SC: modified for the new transaction mechanism */
 static int mgcp_postrequest(struct mgcp_endpoint *p, struct mgcp_subchannel *sub, 
-                            unsigned char *data, int len, unsigned int seqno)
+                            char *data, int len, unsigned int seqno)
 {
 	struct mgcp_message *msg = malloc(sizeof(struct mgcp_message) + len);
 	struct mgcp_message *cur;
@@ -3286,7 +3286,7 @@ static int mgcpsock_read(int *id, int fd, short events, void *ignore)
 	struct sockaddr_in sin;
 	struct mgcp_subchannel *sub;
 	int res;
-	int len;
+	socklen_t len;
 	int result;
 	int ident;
 	char iabuf[INET_ADDRSTRLEN];

channels/chan_sip.c

@@ -1230,7 +1230,7 @@ static void realtime_update_peer(const char *peername, struct sockaddr_in *sin,
 /*--- register_peer_exten: Automatically add peer extension to dial plan ---*/
 static void register_peer_exten(struct sip_peer *peer, int onoff)
 {
-	unsigned char multi[256]="";
+	char multi[256]="";
 	char *stringp, *ext;
 	if (!ast_strlen_zero(regcontext)) {
 		ast_copy_string(multi, ast_strlen_zero(peer->regexten) ? peer->name : peer->regexten, sizeof(multi));
@@ -9207,7 +9207,7 @@ static int sipsock_read(int *id, int fd, short events, void *ignore)
 	struct sockaddr_in sin = { 0, };
 	struct sip_pvt *p;
 	int res;
-	int len;
+	socklen_t len;
 	int nounlock;
 	int recount = 0;
 	int debug;

channels/chan_skinny.c

@@ -2688,7 +2688,7 @@ static void *accept_thread(void *ignore)
 {
 	int as;
 	struct sockaddr_in sin;
-	int sinlen;
+	socklen_t sinlen;
 	struct skinnysession *s;
 	struct protoent *p;
 	int arg = 1;

dsp.c

@@ -1303,7 +1303,7 @@ struct ast_frame *ast_dsp_process(struct ast_channel *chan, struct ast_dsp *dsp,
 	int res;
 	int digit;
 	int x;
-	unsigned short *shortdata;
+	short *shortdata;
 	unsigned char *odata;
 	int len;
 	int writeback = 0;
@@ -1315,11 +1315,11 @@ struct ast_frame *ast_dsp_process(struct ast_channel *chan, struct ast_dsp *dsp,
 				break; \
 			case AST_FORMAT_ULAW: \
 				for (x=0;x<len;x++) \
-					odata[x] = AST_LIN2MU(shortdata[x]); \
+					odata[x] = AST_LIN2MU((unsigned short)shortdata[x]); \
 				break; \
 			case AST_FORMAT_ALAW: \
 				for (x=0;x<len;x++) \
-					odata[x] = AST_LIN2A(shortdata[x]); \
+					odata[x] = AST_LIN2A((unsigned short)shortdata[x]); \
 				break; \
 			} \
 		} \

manager.c

@@ -1358,7 +1358,7 @@ static void *accept_thread(void *ignore)
 {
 	int as;
 	struct sockaddr_in sin;
-	int sinlen;
+	socklen_t sinlen;
 	struct mansession *s;
 	struct protoent *p;
 	int arg = 1;

rtp.c

@@ -313,7 +313,7 @@ static int rtpread(int *id, int fd, short events, void *cbdata)
 struct ast_frame *ast_rtcp_read(struct ast_rtp *rtp)
 {
 	static struct ast_frame null_frame = { AST_FRAME_NULL, };
-	int len;
+	socklen_t len;
 	int hdrlen = 8;
 	int res;
 	struct sockaddr_in sin;
@@ -382,7 +382,7 @@ struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
 {
 	int res;
 	struct sockaddr_in sin;
-	int len;
+	socklen_t len;
 	unsigned int seqno;
 	int version;
 	int payloadtype;