diff options
Diffstat (limited to 'crypto/heimdal/lib/editline/edit_compat.c')
-rw-r--r-- | crypto/heimdal/lib/editline/edit_compat.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/editline/edit_compat.c b/crypto/heimdal/lib/editline/edit_compat.c new file mode 100644 index 0000000..9b1863e --- /dev/null +++ b/crypto/heimdal/lib/editline/edit_compat.c @@ -0,0 +1,118 @@ +/* + * 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 1.8 2000/03/01 20:53:05 assar 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 +} |