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tetex-bin  3.0
lib_insnstr.c
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00001 /****************************************************************************
00002  * Copyright (c) 2004 Free Software Foundation, Inc.                        *
00003  *                                                                          *
00004  * Permission is hereby granted, free of charge, to any person obtaining a  *
00005  * copy of this software and associated documentation files (the            *
00006  * "Software"), to deal in the Software without restriction, including      *
00007  * without limitation the rights to use, copy, modify, merge, publish,      *
00008  * distribute, distribute with modifications, sublicense, and/or sell       *
00009  * copies of the Software, and to permit persons to whom the Software is    *
00010  * furnished to do so, subject to the following conditions:                 *
00011  *                                                                          *
00012  * The above copyright notice and this permission notice shall be included  *
00013  * in all copies or substantial portions of the Software.                   *
00014  *                                                                          *
00015  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
00016  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
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00018  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
00019  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
00020  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
00021  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
00022  *                                                                          *
00023  * Except as contained in this notice, the name(s) of the above copyright   *
00024  * holders shall not be used in advertising or otherwise to promote the     *
00025  * sale, use or other dealings in this Software without prior written       *
00026  * authorization.                                                           *
00027  ****************************************************************************/
00028 
00029 /****************************************************************************
00030  *  Author: Thomas E. Dickey                                                *
00031  ****************************************************************************/
00032 
00033 /*
00034 **     lib_insnstr.c
00035 **
00036 **     The routine winsnstr().
00037 **
00038 */
00039 
00040 #include <curses.priv.h>
00041 #include <ctype.h>
00042 
00043 MODULE_ID("$Id: lib_insnstr.c,v 1.1 2004/02/28 23:44:56 tom Exp $")
00044 
00045 NCURSES_EXPORT(int)
00046 winsnstr(WINDOW *win, const char *s, int n)
00047 {
00048     int code = ERR;
00049     NCURSES_SIZE_T oy;
00050     NCURSES_SIZE_T ox;
00051     const unsigned char *str = (const unsigned char *) s;
00052     const unsigned char *cp;
00053 
00054     T((T_CALLED("winsnstr(%p,%s,%d)"), win, _nc_visbufn(s, n), n));
00055 
00056     if (win != 0 && str != 0) {
00057        oy = win->_cury;
00058        ox = win->_curx;
00059        for (cp = str; *cp && (n <= 0 || (cp - str) < n); cp++) {
00060            _nc_insert_ch(win, (chtype) UChar(*cp));
00061        }
00062        win->_curx = ox;
00063        win->_cury = oy;
00064        _nc_synchook(win);
00065        code = OK;
00066     }
00067     returnCode(code);
00068 }