[core] quiet coverity warnings

src/http-header-glue.c

@@ -833,6 +833,9 @@ static int http_response_process_headers(request_st * const restrict r, http_res
                 end[0] = '\0';
                 int status = http_header_str_to_code(value);
                 if (status >= 100 && status < 1000) {
+                  #ifdef __COVERITY__ /* Coverity false positive for tainted */
+                    status = 200;/* http_header_str_to_code() validates */
+                  #endif
                     r->http_status = status;
                     opts->local_redir = 0; /*(disable; status was set)*/
                 }
@@ -854,6 +857,9 @@ static int http_response_process_headers(request_st * const restrict r, http_res
                 end[0] = '\0';
                 int status = http_header_str_to_code(value);
                 if (status >= 100 && status < 1000) {
+                  #ifdef __COVERITY__ /* Coverity false positive for tainted */
+                    status = 200;/* http_header_str_to_code() validates */
+                  #endif
                     r->http_status = status;
                     opts->local_redir = 0; /*(disable; status was set)*/
                 }

src/network.c

@@ -735,6 +735,9 @@ int network_init(server *srv, int stdin_fd) {
                 buffer_append_string_len(b, CONST_STR_LEN(":"));
                 buffer_append_int(b, srv->srvconf.port);
             }
+          #ifdef __COVERITY__
+            force_assert(b->ptr);
+          #endif
 
             rc = network_server_init(srv, &p->defaults, b, 0, -1);
             buffer_free(b);