119 lines
2.9 KiB
C
119 lines
2.9 KiB
C
/*
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* Copyright (c) 1995 - 2000 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <config.h>
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#include <stdio.h>
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#include <string.h>
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#include <histedit.h>
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RCSID("$Id: edit_compat.c,v 1.8 2000/03/01 20:53:05 assar Exp $");
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void
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rl_reset_terminal(char *p)
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{
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}
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void
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rl_initialize()
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{
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}
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static const char *pr;
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static const char* ret_prompt(EditLine *e)
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{
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return pr;
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}
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static History *h;
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#ifdef H_SETSIZE
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#define EL_INIT_FOUR 1
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#else
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#ifdef H_SETMAXSIZE
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/* backwards compatibility */
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#define H_SETSIZE H_SETMAXSIZE
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#endif
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#endif
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char *
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readline(const char* prompt)
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{
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static EditLine *e;
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#ifdef H_SETSIZE
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HistEvent ev;
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#endif
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int count;
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const char *str;
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if(e == NULL){
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#ifdef EL_INIT_FOUR
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e = el_init("", stdin, stdout, stderr);
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#else
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e = el_init("", stdin, stdout);
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#endif
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el_set(e, EL_PROMPT, ret_prompt);
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h = history_init();
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#ifdef H_SETSIZE
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history(h, &ev, H_SETSIZE, 25);
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#else
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history(h, H_EVENT, 25);
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#endif
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el_set(e, EL_HIST, history, h);
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el_set(e, EL_EDITOR, "emacs"); /* XXX? */
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}
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pr = prompt ? prompt : "";
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str = el_gets(e, &count);
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if (str && count > 0) {
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char *ret = strdup (str);
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if (ret == NULL)
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return NULL;
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if (ret[strlen(ret) - 1] == '\n')
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ret[strlen(ret) - 1] = '\0';
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return ret;
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}
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return NULL;
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}
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void
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add_history(char *p)
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{
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#ifdef H_SETSIZE
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HistEvent ev;
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history(h, &ev, H_ENTER, p);
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#else
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history(h, H_ENTER, p);
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#endif
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}
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