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On 15 Sep 1997, Johan Danielsson wrote:

: > It might be cool to write a readline compatibility front-end to libedit..
: 
: Been there, done that. (It could be improved though :-)

Looks nice, but let me say one thing before such a beast gets committed to
tree:

Please make it part of libedit, not a 'libreadline compatibility library'.
Because it doesn't (and probably can't easily) emulate many of the readline
intrinsics, modifying Makefiles should be necessary.  I personally carry a
real shared libreadline on my systems for a few programs that work better
when able to call some of the internal rl_* functions.  But with this, I'll
be sure to compile some with libedit to make them more portable.

=====
== Todd Vierling (Personal tv@pobox.com; Business tv@lucent.com)
== I know you like the Internet, Bobby.  Now go eat your Frosted Flakes.

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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);
}


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