/* $OpenBSD: prompt.c,v 1.3 1997/03/14 05:12:57 millert Exp $ */ /* $NetBSD: prompt.c,v 1.2 1997/01/11 06:48:04 lukem Exp $ */ /*- * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Christos Zoulas of Cornell University. * * 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 University of * California, Berkeley and its contributors. * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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. */ #if !defined(lint) && !defined(SCCSID) #if 0 static char sccsid[] = "@(#)prompt.c 8.1 (Berkeley) 6/4/93"; #else static char rcsid[] = "$OpenBSD: prompt.c,v 1.3 1997/03/14 05:12:57 millert Exp $"; #endif #endif /* not lint && not SCCSID */ /* * prompt.c: Prompt printing functions */ #include "sys.h" #include <stdio.h> #include "el.h" private char *prompt_default __P((EditLine *)); /* prompt_default(): * Just a default prompt, in case the user did not provide one */ private char * /*ARGSUSED*/ prompt_default(el) EditLine *el; { static char a[3] = { '?', ' ', '\0' }; return a; } /* prompt_print(): * Print the prompt and update the prompt position. * We use an array of integers in case we want to pass * literal escape sequences in the prompt and we want a * bit to flag them */ protected void prompt_print(el) EditLine *el; { char *p = (*el->el_prompt.p_func)(el); while (*p) re_putc(el, *p++); el->el_prompt.p_pos.v = el->el_refresh.r_cursor.v; el->el_prompt.p_pos.h = el->el_refresh.r_cursor.h; } /* end prompt_print */ /* prompt_init(): * Initialize the prompt stuff */ protected int prompt_init(el) EditLine *el; { el->el_prompt.p_func = prompt_default; el->el_prompt.p_pos.v = 0; el->el_prompt.p_pos.h = 0; return 0; } /* end prompt_init */ /* prompt_end(): * Clean up the prompt stuff */ protected void /*ARGSUSED*/ prompt_end(el) EditLine *el; { } /* end prompt_end */ /* prompt_set(): * Install a prompt printing function */ protected int prompt_set(el, prf) EditLine *el; el_pfunc_t prf; { if (prf == NULL) el->el_prompt.p_func = prompt_default; else el->el_prompt.p_func = prf; el->el_prompt.p_pos.v = 0; el->el_prompt.p_pos.h = 0; return 0; } /* end prompt_set */