Subject: Re: libedit q
To: Jason Thorpe <thorpej@nas.nasa.gov>
From: Johan Danielsson <joda@pdc.kth.se>
List: current-users
Date: 09/15/1997 15:57:49
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Jason Thorpe <thorpej@nas.nasa.gov> writes:
> It might be cool to write a readline compatibility front-end to libedit..
Been there, done that. (It could be improved though :-)
/Johan
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/*
* Copyright (c) 1995, 1996, 1997 Kungliga Tekniska H=F6gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Kungliga Tekniska
* H=F6gskolan and its contributors.
*
* 4. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AN=
D
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPO=
SE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIAB=
LE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTI=
AL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRI=
CT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WA=
Y
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <config.h>
#include <stdio.h>
#include <histedit.h>
RCSID("$Id: edit_compat.c,v 1.3 1997/04/01 08:18:09 joda Exp $");
void
rl_reset_terminal(char *p)
{
}
void
rl_initialize()
{
}
static const char *pr;
static const char* ret_prompt(EditLine *e)
{
return pr;
}
static History *h;
char *
readline(const char* prompt)
{
static EditLine *e;
int count;
char *ret;
if(e =3D=3D NULL){
=09e =3D el_init("", stdin, stdout);
=09el_set(e, EL_PROMPT, ret_prompt);
=09h =3D history_init();
=09history(h, H_EVENT, 25);
=09el_set(e, EL_HIST, history, h);
=09el_set(e, EL_EDITOR, "emacs"); /* XXX? */
}
pr =3D prompt ? prompt : "";
ret =3D (char*)el_gets(e, &count);
if (ret) {
=09if (ret[strlen(ret) - 1] =3D=3D '\n')
=09 ret[strlen(ret) - 1] =3D '\0';
=09return strdup(ret);
} else
=09return ret;
}
void
add_history(char *p)
{
history(h, H_ENTER, p);
}
--Multipart_Mon_Sep_15_15:57:48_1997-1--