 0c3ae37f52
			
		
	
	
		0c3ae37f52
		
	
	
	
	
		
			
			The three are updated together as they are tightly coupled. Change-Id: I9e1f07b6adc6e8ae10833e6f1402f8472d2d34b8
		
			
				
	
	
		
			163 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			163 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*	$NetBSD: addnstr.c,v 1.13 2012/09/28 06:07:05 blymn Exp $	*/
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| 
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| /*
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|  * Copyright (c) 1993, 1994
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|  *	The Regents of the University of California.  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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|  * 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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| 
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| #include <sys/cdefs.h>
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| #ifndef lint
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| #if 0
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| static char sccsid[] = "@(#)addnstr.c	8.2 (Berkeley) 5/4/94";
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| #else
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| __RCSID("$NetBSD: addnstr.c,v 1.13 2012/09/28 06:07:05 blymn Exp $");
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| #endif
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| #endif				/* not lint */
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| 
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| #include <string.h>
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| 
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| #include "curses.h"
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| #include "curses_private.h"
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| 
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| #ifndef _CURSES_USE_MACROS
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| 
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| /*
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|  * addstr --
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|  *      Add a string to stdscr starting at (_cury, _curx).
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|  */
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| int
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| addstr(const char *s)
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| {
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| 	return waddnstr(stdscr, s, -1);
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| }
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| 
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| /*
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|  * waddstr --
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|  *      Add a string to the given window starting at (_cury, _curx).
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|  */
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| int
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| waddstr(WINDOW *win, const char *s)
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| {
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| 	return waddnstr(win, s, -1);
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| }
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| 
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| /*
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|  * addnstr --
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|  *      Add a string (at most n characters) to stdscr starting
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|  *	at (_cury, _curx).  If n is negative, add the entire string.
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|  */
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| int
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| addnstr(const char *str, int n)
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| {
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| 	return waddnstr(stdscr, str, n);
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| }
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| 
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| /*
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|  * mvaddstr --
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|  *      Add a string to stdscr starting at (y, x)
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|  */
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| int
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| mvaddstr(int y, int x, const char *str)
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| {
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| 	return mvwaddnstr(stdscr, y, x, str, -1);
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| }
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| 
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| /*
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|  * mvwaddstr --
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|  *      Add a string to the given window starting at (y, x)
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|  */
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| int
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| mvwaddstr(WINDOW *win, int y, int x, const char *str)
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| {
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| 	return mvwaddnstr(win, y, x, str, -1);
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| }
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| 
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| /*
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|  * mvaddnstr --
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|  *      Add a string of at most n characters to stdscr
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|  *      starting at (y, x).
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|  */
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| int
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| mvaddnstr(int y, int x, const char *str, int count)
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| {
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| 	return mvwaddnstr(stdscr, y, x, str, count);
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| }
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| 
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| /*
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|  * mvwaddnstr --
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|  *      Add a string of at most n characters to the given window
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|  *      starting at (y, x).
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|  */
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| int
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| mvwaddnstr(WINDOW *win, int y, int x, const char *str, int count)
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| {
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| 	if (wmove(win, y, x) == ERR)
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| 		return ERR;
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| 
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| 	return waddnstr(win, str, count);
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| }
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| 
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| #endif
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| 
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| /*
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|  * waddnstr --
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|  *	Add a string (at most n characters) to the given window
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|  *	starting at (_cury, _curx).  If n is negative, add the
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|  *	entire string.
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|  */
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| int
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| waddnstr(WINDOW *win, const char *s, int n)
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| {
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| 	size_t  len;
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| 	const char *p;
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| 
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| #ifdef DEBUG
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| 		__CTRACE(__CTRACE_INPUT, "ADDNSTR: win %p, length %d\n",
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| 			 win, n);
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| #endif
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| 	/*
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| 	 * behavior changed from traditional BSD curses, for better XCURSES
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| 	 * conformance.
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| 	 *
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| 	 * BSD curses: if (n > 0) then "at most n", else "len = strlen(s)"
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| 	 * ncurses: if (n >= 0) then "at most n", else "len = strlen(s)"
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| 	 * XCURSES: if (n != -1) then "at most n", else "len = strlen(s)"
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| 	 * 
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| 	 * Also SUSv2 says these functions do not wrap nor change the
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| 	 * cursor position.
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| 	 */
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| 	if (n >= 0)
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| 		for (p = s, len = 0; n-- && *p++; ++len);
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| 	else
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| 		len = strlen(s);
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| 	
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| 	if (len > (win->maxx - win->curx))
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| 		len = win->maxx - win->curx;
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| 
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| 	return(waddbytes(win, s, (int) len));
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| }
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