rpcrt4: Make the protseq_ops structure constant.

dlls/rpcrt4/rpc_binding.h

@@ -45,7 +45,7 @@ typedef struct _RpcConnection
   BOOL server;
   LPSTR NetworkAddr;
   LPSTR Endpoint;
-  struct protseq_ops *ops;
+  const struct protseq_ops *ops;
   USHORT MaxTransmissionSize;
   /* The active interface bound to server. */
   RPC_SYNTAX_IDENTIFIER ActiveInterface;

dlls/rpcrt4/rpc_transport.c

@@ -701,7 +701,7 @@ static RPC_STATUS rpcrt4_ncacn_ip_tcp_parse_top_of_tower(const unsigned char *to
     return RPC_S_OK;
 }
 
-struct protseq_ops protseq_list[] = {
+static const struct protseq_ops protseq_list[] = {
   { "ncacn_np",
     { EPM_PROTOCOL_NCACN, EPM_PROTOCOL_SMB },
     rpcrt4_conn_np_alloc,
@@ -742,7 +742,7 @@ struct protseq_ops protseq_list[] = {
 
 #define MAX_PROTSEQ (sizeof protseq_list / sizeof protseq_list[0])
 
-static struct protseq_ops *rpcrt4_get_protseq_ops(const char *protseq)
+static const struct protseq_ops *rpcrt4_get_protseq_ops(const char *protseq)
 {
   int i;
   for(i=0; i<MAX_PROTSEQ; i++)
@@ -771,7 +771,7 @@ RPC_STATUS RPCRT4_CreateConnection(RpcConnection** Connection, BOOL server,
     LPCSTR Protseq, LPCSTR NetworkAddr, LPCSTR Endpoint,
     LPCSTR NetworkOptions, RpcAuthInfo* AuthInfo, RpcBinding* Binding)
 {
-  struct protseq_ops *ops;
+  const struct protseq_ops *ops;
   RpcConnection* NewConnection;
 
   ops = rpcrt4_get_protseq_ops(Protseq);
@@ -863,7 +863,7 @@ RPC_STATUS RpcTransport_GetTopOfTower(unsigned char *tower_data,
                                       const char *endpoint)
 {
     twr_empty_floor_t *protocol_floor;
-    struct protseq_ops *protseq_ops = rpcrt4_get_protseq_ops(protseq);
+    const struct protseq_ops *protseq_ops = rpcrt4_get_protseq_ops(protseq);
 
     *tower_size = 0;
 
@@ -901,7 +901,7 @@ RPC_STATUS RpcTransport_ParseTopOfTower(const unsigned char *tower_data,
 {
     twr_empty_floor_t *protocol_floor;
     twr_empty_floor_t *floor4;
-    struct protseq_ops *protseq_ops = NULL;
+    const struct protseq_ops *protseq_ops = NULL;
     RPC_STATUS status;
     int i;