0241cad29d
special character processing so we should not be trying to limit the length to the screen edge. This partially fixes PR 48827, the test case works now.
158 lines
4.0 KiB
C
158 lines
4.0 KiB
C
/* $NetBSD: addnstr.c,v 1.14 2014/07/13 01:58:08 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 1.14 2014/07/13 01:58:08 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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*/
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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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return(waddbytes(win, s, (int) len));
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}
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