NetBSD/lib/libcurses/addnstr.c

158 lines
4.0 KiB
C

/* $NetBSD: addnstr.c,v 1.14 2014/07/13 01:58:08 blymn Exp $ */
/*
* Copyright (c) 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* 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. 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.
*/
#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)addnstr.c 8.2 (Berkeley) 5/4/94";
#else
__RCSID("$NetBSD: addnstr.c,v 1.14 2014/07/13 01:58:08 blymn Exp $");
#endif
#endif /* not lint */
#include <string.h>
#include "curses.h"
#include "curses_private.h"
#ifndef _CURSES_USE_MACROS
/*
* addstr --
* Add a string to stdscr starting at (_cury, _curx).
*/
int
addstr(const char *s)
{
return waddnstr(stdscr, s, -1);
}
/*
* waddstr --
* Add a string to the given window starting at (_cury, _curx).
*/
int
waddstr(WINDOW *win, const char *s)
{
return waddnstr(win, s, -1);
}
/*
* addnstr --
* Add a string (at most n characters) to stdscr starting
* at (_cury, _curx). If n is negative, add the entire string.
*/
int
addnstr(const char *str, int n)
{
return waddnstr(stdscr, str, n);
}
/*
* mvaddstr --
* Add a string to stdscr starting at (y, x)
*/
int
mvaddstr(int y, int x, const char *str)
{
return mvwaddnstr(stdscr, y, x, str, -1);
}
/*
* mvwaddstr --
* Add a string to the given window starting at (y, x)
*/
int
mvwaddstr(WINDOW *win, int y, int x, const char *str)
{
return mvwaddnstr(win, y, x, str, -1);
}
/*
* mvaddnstr --
* Add a string of at most n characters to stdscr
* starting at (y, x).
*/
int
mvaddnstr(int y, int x, const char *str, int count)
{
return mvwaddnstr(stdscr, y, x, str, count);
}
/*
* mvwaddnstr --
* Add a string of at most n characters to the given window
* starting at (y, x).
*/
int
mvwaddnstr(WINDOW *win, int y, int x, const char *str, int count)
{
if (wmove(win, y, x) == ERR)
return ERR;
return waddnstr(win, str, count);
}
#endif
/*
* waddnstr --
* Add a string (at most n characters) to the given window
* starting at (_cury, _curx). If n is negative, add the
* entire string.
*/
int
waddnstr(WINDOW *win, const char *s, int n)
{
size_t len;
const char *p;
#ifdef DEBUG
__CTRACE(__CTRACE_INPUT, "ADDNSTR: win %p, length %d\n",
win, n);
#endif
/*
* behavior changed from traditional BSD curses, for better XCURSES
* conformance.
*
* BSD curses: if (n > 0) then "at most n", else "len = strlen(s)"
* ncurses: if (n >= 0) then "at most n", else "len = strlen(s)"
* XCURSES: if (n != -1) then "at most n", else "len = strlen(s)"
*
*/
if (n >= 0)
for (p = s, len = 0; n-- && *p++; ++len);
else
len = strlen(s);
return(waddbytes(win, s, (int) len));
}