GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libedit/prompt.c Lines: 17 48 35.4 %
Date: 2017-11-13 Branches: 2 22 9.1 %

Line Branch Exec Source
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/*	$OpenBSD: prompt.c,v 1.13 2016/04/11 21:17:29 schwarze Exp $	*/
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/*	$NetBSD: prompt.c,v 1.25 2016/04/11 18:56:31 christos Exp $	*/
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/*-
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 * Copyright (c) 1992, 1993
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * This code is derived from software contributed to Berkeley by
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 * Christos Zoulas of Cornell University.
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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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 * 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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 * 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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 * 3. Neither the name of the University 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 REGENTS 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 REGENTS 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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/*
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 * prompt.c: Prompt printing functions
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 */
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#include <stdio.h>
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#include "el.h"
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static wchar_t	*prompt_default(EditLine *);
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static wchar_t	*prompt_default_r(EditLine *);
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/* prompt_default():
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 *	Just a default prompt, in case the user did not provide one
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 */
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static wchar_t *
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/*ARGSUSED*/
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prompt_default(EditLine *el __attribute__((__unused__)))
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{
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	static wchar_t a[3] = L"? ";
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	return a;
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}
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/* prompt_default_r():
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 *	Just a default rprompt, in case the user did not provide one
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 */
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static wchar_t *
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/*ARGSUSED*/
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prompt_default_r(EditLine *el __attribute__((__unused__)))
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{
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	static wchar_t a[1] = L"";
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	return a;
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}
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/* prompt_print():
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 *	Print the prompt and update the prompt position.
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 */
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protected void
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prompt_print(EditLine *el, int op)
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{
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	el_prompt_t *elp;
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	wchar_t *p;
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	int ignore = 0;
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	if (op == EL_PROMPT)
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		elp = &el->el_prompt;
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	else
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		elp = &el->el_rprompt;
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	if (elp->p_wide)
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		p = (*elp->p_func)(el);
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	else
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		p = ct_decode_string((char *)(void *)(*elp->p_func)(el),
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		    &el->el_scratch);
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	for (; *p; p++) {
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		if (elp->p_ignore == *p) {
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			ignore = !ignore;
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			continue;
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		}
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		if (ignore)
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			terminal__putc(el, *p);
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		else
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			re_putc(el, *p, 1);
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	}
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	elp->p_pos.v = el->el_refresh.r_cursor.v;
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	elp->p_pos.h = el->el_refresh.r_cursor.h;
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}
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/* prompt_init():
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 *	Initialize the prompt stuff
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 */
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protected int
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prompt_init(EditLine *el)
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{
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	el->el_prompt.p_func = prompt_default;
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	el->el_prompt.p_pos.v = 0;
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	el->el_prompt.p_pos.h = 0;
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	el->el_prompt.p_ignore = '\0';
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	el->el_rprompt.p_func = prompt_default_r;
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	el->el_rprompt.p_pos.v = 0;
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	el->el_rprompt.p_pos.h = 0;
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	el->el_rprompt.p_ignore = '\0';
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	return 0;
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}
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/* prompt_end():
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 *	Clean up the prompt stuff
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 */
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protected void
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/*ARGSUSED*/
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prompt_end(EditLine *el __attribute__((__unused__)))
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{
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}
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/* prompt_set():
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 *	Install a prompt printing function
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 */
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protected int
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prompt_set(EditLine *el, el_pfunc_t prf, wchar_t c, int op, int wide)
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{
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	el_prompt_t *p;
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	if (op == EL_PROMPT || op == EL_PROMPT_ESC)
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		p = &el->el_prompt;
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	else
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		p = &el->el_rprompt;
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	if (prf == NULL) {
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		if (op == EL_PROMPT || op == EL_PROMPT_ESC)
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			p->p_func = prompt_default;
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		else
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			p->p_func = prompt_default_r;
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	} else {
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		p->p_func = prf;
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	}
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	p->p_ignore = c;
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	p->p_pos.v = 0;
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	p->p_pos.h = 0;
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	p->p_wide = wide;
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	return 0;
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}
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/* prompt_get():
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 *	Retrieve the prompt printing function
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 */
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protected int
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prompt_get(EditLine *el, el_pfunc_t *prf, wchar_t *c, int op)
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{
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	el_prompt_t *p;
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	if (prf == NULL)
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		return -1;
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	if (op == EL_PROMPT)
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		p = &el->el_prompt;
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	else
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		p = &el->el_rprompt;
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	if (prf)
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		*prf = p->p_func;
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	if (c)
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		*c = p->p_ignore;
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	return 0;
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}