259 	if (con->request.http_if_none_match) {  in http_response_handle_cachable()
260 		if (etag_is_equal(con->physical.etag, con->request.http_if_none_match)) {  in http_response_handle_cachable()
261 			if (con->request.http_method == HTTP_METHOD_GET ||  in http_response_handle_cachable()
262 			    con->request.http_method == HTTP_METHOD_HEAD) {  in http_response_handle_cachable()
265 				if (con->request.http_if_modified_since) {  in http_response_handle_cachable()
269 					if (NULL == (semicolon = strchr(con->request.http_if_modified_since, ';'))) {  in http_response_handle_cachable()
270 						used_len = strlen(con->request.http_if_modified_since);  in http_response_handle_cachable()
272 						used_len = semicolon - con->request.http_if_modified_since;  in http_response_handle_cachable()
275 					if (0 == strncmp(con->request.http_if_modified_since, mtime->ptr, used_len)) {  in http_response_handle_cachable()
287 									con->request.http_if_modified_since, used_len, sizeof(buf) - 1);  in http_response_handle_cachable()
295 						strncpy(buf, con->request.http_if_modified_since, used_len);  in http_response_handle_cachable()
325 	} else if (con->request.http_if_modified_since) {  in http_response_handle_cachable()
329 		if (NULL == (semicolon = strchr(con->request.http_if_modified_since, ';'))) {  in http_response_handle_cachable()
330 			used_len = strlen(con->request.http_if_modified_since);  in http_response_handle_cachable()
332 			used_len = semicolon - con->request.http_if_modified_since;  in http_response_handle_cachable()
335 		if (0 == strncmp(con->request.http_if_modified_since, mtime->ptr, used_len)) {  in http_response_handle_cachable()
346 			strncpy(buf, con->request.http_if_modified_since, used_len);  in http_response_handle_cachable()