/* $NetBSD: readline.h,v 1.2.4.2 2024/02/29 12:28:12 martin Exp $ */ /* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * SPDX-License-Identifier: MPL-2.0 * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, you can obtain one at https://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ #pragma once /* * A little wrapper around readline(), add_history() and free() to make using * the readline code simpler. */ #if defined(HAVE_READLINE_LIBEDIT) #include #elif defined(HAVE_READLINE_EDITLINE) #include #elif defined(HAVE_READLINE_READLINE) /* Prevent deprecated functions being declared. */ #define _FUNCTION_DEF 1 /* Ensure rl_message() gets prototype. */ #define USE_VARARGS 1 #define PREFER_STDARG 1 #include #include #endif #if !defined(HAVE_READLINE_LIBEDIT) && !defined(HAVE_READLINE_EDITLINE) && \ !defined(HAVE_READLINE_READLINE) #include #include #define RL_MAXCMD (128 * 1024) static inline char * readline(const char *prompt) { char *line, *buf = malloc(RL_MAXCMD); fprintf(stdout, "%s", prompt); fflush(stdout); line = fgets(buf, RL_MAXCMD, stdin); if (line == NULL) { free(buf); return (NULL); } return (buf); }; #define add_history(line) #endif