Made mg_connection::content_len int -> size_t, which is 64-bit on 64-bit systems

mongoose.c

@@ -2229,7 +2229,7 @@ static void call_uri_handler_if_data_is_buffered(struct connection *conn) {
     do { } while (deliver_websocket_frame(conn));
   } else
 #endif
-  if (loc->len >= c->content_len) {
+  if ((size_t) loc->len >= c->content_len) {
     call_uri_handler(conn);
   }
 }
@@ -3329,7 +3329,7 @@ static void handle_lsp_request(struct connection *conn, const char *path,
     prepare_lua_environment(&conn->mg_conn, L);
     lua_pushcclosure(L, &lua_error_handler, 0);
     lua_pushglobaltable(L);
-    lsp(conn, p, st->st_size, L);
+    lsp(conn, p, (int) st->st_size, L);
     close_local_endpoint(conn);
   }
 

mongoose.h

@@ -46,7 +46,7 @@ struct mg_connection {
   } http_headers[30];
 
   char *content;              // POST (or websocket message) data, or NULL
-  long int content_len;       // content length
+  size_t content_len;       // content length
 
   int is_websocket;           // Connection is a websocket connection
   int status_code;            // HTTP status code for HTTP error handler

unit_test.c

@@ -440,7 +440,7 @@ static int cb2(struct mg_connection *conn) {
         file_name = file1;
       }
       if ((file_data = read_file(file_name, &file_len)) != NULL) {
-        if (file_len == conn->content_len &&
+        if ((size_t) file_len == conn->content_len &&
             memcmp(file_data, conn->content, file_len) == 0) {
           strcat(buf, "d");
         } else {
@@ -526,7 +526,7 @@ static int us1(struct mg_connection *conn) {
   } else if (conn->status_code == MG_DOWNLOAD_SUCCESS) {
     char *file_data = read_file(file_name, &file_size);
     sprintf((char *) conn->connection_param, "%d",
-            file_size == conn->content_len &&
+            (size_t) file_size == conn->content_len &&
             memcmp(file_data, conn->content, file_size) == 0 ? 1 : 0);
     free(file_data);
   } else if (conn->status_code == MG_CONNECT_FAILURE) {