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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* 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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#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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#include <string.h>
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#include "curses.h"
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#include "curses_private.h"
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#ifndef _CURSES_USE_MACROS
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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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* 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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* 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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* 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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* 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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* 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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* 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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return waddnstr(win, str, count);
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}
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#endif
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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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#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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if (len > (win->maxx - win->curx))
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len = win->maxx - win->curx;
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return(waddbytes(win, s, (int) len));
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}
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