1 /* $NetBSD: addnstr.c,v 1.10 2000/08/13 03:26:41 itojun Exp $ */ 2 3 /* 4 * Copyright (c) 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)addnstr.c 8.2 (Berkeley) 5/4/94"; 40 #else 41 __RCSID("$NetBSD: addnstr.c,v 1.10 2000/08/13 03:26:41 itojun Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <string.h> 46 47 #include "curses.h" 48 #include "curses_private.h" 49 50 #ifndef _CURSES_USE_MACROS 51 52 /* 53 * addstr -- 54 * Add a string to stdscr starting at (_cury, _curx). 55 */ 56 int 57 addstr(const char *s) 58 { 59 return waddnstr(stdscr, s, -1); 60 } 61 62 /* 63 * waddstr -- 64 * Add a string to the given window starting at (_cury, _curx). 65 */ 66 int 67 waddstr(WINDOW *win, const char *s) 68 { 69 return waddnstr(win, s, -1); 70 } 71 72 /* 73 * addnstr -- 74 * Add a string (at most n characters) to stdscr starting 75 * at (_cury, _curx). If n is negative, add the entire string. 76 */ 77 int 78 addnstr(const char *str, int n) 79 { 80 return waddnstr(stdscr, str, n); 81 } 82 83 /* 84 * mvaddstr -- 85 * Add a string to stdscr starting at (y, x) 86 */ 87 int 88 mvaddstr(int y, int x, const char *str) 89 { 90 return mvwaddnstr(stdscr, y, x, str, -1); 91 } 92 93 /* 94 * mvwaddstr -- 95 * Add a string to the given window starting at (y, x) 96 */ 97 int 98 mvwaddstr(WINDOW *win, int y, int x, const char *str) 99 { 100 return mvwaddnstr(win, y, x, str, -1); 101 } 102 103 /* 104 * mvaddnstr -- 105 * Add a string of at most n characters to stdscr 106 * starting at (y, x). 107 */ 108 int 109 mvaddnstr(int y, int x, const char *str, int count) 110 { 111 return mvwaddnstr(stdscr, y, x, str, count); 112 } 113 114 /* 115 * mvwaddnstr -- 116 * Add a string of at most n characters to the given window 117 * starting at (y, x). 118 */ 119 int 120 mvwaddnstr(WINDOW *win, int y, int x, const char *str, int count) 121 { 122 if (wmove(win, y, x) == ERR) 123 return ERR; 124 125 return waddnstr(win, str, count); 126 } 127 128 #endif 129 130 /* 131 * waddnstr -- 132 * Add a string (at most n characters) to the given window 133 * starting at (_cury, _curx). If n is negative, add the 134 * entire string. 135 */ 136 int 137 waddnstr(WINDOW *win, const char *s, int n) 138 { 139 size_t len; 140 const char *p; 141 142 /* 143 * behavior changed from traditional BSD curses, for better XCURSES 144 * conformance. 145 * 146 * BSD curses: if (n > 0) then "at most n", else "len = strlen(s)" 147 * ncurses: if (n >= 0) then "at most n", else "len = strlen(s)" 148 * XCURSES: if (n != -1) then "at most n", else "len = strlen(s)" 149 */ 150 if (n >= 0) 151 for (p = s, len = 0; n-- && *p++; ++len); 152 else 153 len = strlen(s); 154 return (waddbytes(win, s, (int) len)); 155 } 156