NetBSD/crypto/dist/heimdal/lib/editline/edit_compat.c

119 lines
2.9 KiB
C

/*
* Copyright (c) 1995 - 2000 Kungliga Tekniska Högskolan
* (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. 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'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* 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, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <config.h>
#include <stdio.h>
#include <string.h>
#include <histedit.h>
RCSID("$Id: edit_compat.c,v 1.1.1.1 2000/06/16 18:33:03 thorpej 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;
#ifdef H_SETSIZE
#define EL_INIT_FOUR 1
#else
#ifdef H_SETMAXSIZE
/* backwards compatibility */
#define H_SETSIZE H_SETMAXSIZE
#endif
#endif
char *
readline(const char* prompt)
{
static EditLine *e;
#ifdef H_SETSIZE
HistEvent ev;
#endif
int count;
const char *str;
if(e == NULL){
#ifdef EL_INIT_FOUR
e = el_init("", stdin, stdout, stderr);
#else
e = el_init("", stdin, stdout);
#endif
el_set(e, EL_PROMPT, ret_prompt);
h = history_init();
#ifdef H_SETSIZE
history(h, &ev, H_SETSIZE, 25);
#else
history(h, H_EVENT, 25);
#endif
el_set(e, EL_HIST, history, h);
el_set(e, EL_EDITOR, "emacs"); /* XXX? */
}
pr = prompt ? prompt : "";
str = el_gets(e, &count);
if (str && count > 0) {
char *ret = strdup (str);
if (ret == NULL)
return NULL;
if (ret[strlen(ret) - 1] == '\n')
ret[strlen(ret) - 1] = '\0';
return ret;
}
return NULL;
}
void
add_history(char *p)
{
#ifdef H_SETSIZE
HistEvent ev;
history(h, &ev, H_ENTER, p);
#else
history(h, H_ENTER, p);
#endif
}