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