1 /* $NetBSD: addnstr.c,v 1.21 2022/12/21 06:18:01 blymn 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)addnstr.c 8.2 (Berkeley) 5/4/94"; 36 #else 37 __RCSID("$NetBSD: addnstr.c,v 1.21 2022/12/21 06:18:01 blymn Exp $"); 38 #endif 39 #endif /* not lint */ 40 41 #include <string.h> 42 43 #include "curses.h" 44 #include "curses_private.h" 45 46 #ifndef _CURSES_USE_MACROS 47 48 /* 49 * addstr -- 50 * Add a string to stdscr starting at (_cury, _curx). 51 */ 52 int 53 addstr(const char *s) 54 { 55 __CTRACE(__CTRACE_INPUT, "addstr: %s\n", s); 56 57 return waddnstr(stdscr, s, -1); 58 } 59 60 /* 61 * waddstr -- 62 * Add a string to the given window starting at (_cury, _curx). 63 */ 64 int 65 waddstr(WINDOW *win, const char *s) 66 { 67 __CTRACE(__CTRACE_INPUT, "addstr: win %p, sttring: %s\n", win, 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 __CTRACE(__CTRACE_INPUT, "addnstr: n: %d, string: %s\n", n, str); 81 82 return waddnstr(stdscr, str, n); 83 } 84 85 /* 86 * mvaddstr -- 87 * Add a string to stdscr starting at (y, x) 88 */ 89 int 90 mvaddstr(int y, int x, const char *str) 91 { 92 __CTRACE(__CTRACE_INPUT, "mvaddnstr: y: %d, x: %d, string: %s\n", y, 93 x, str); 94 95 return mvwaddnstr(stdscr, y, x, str, -1); 96 } 97 98 /* 99 * mvwaddstr -- 100 * Add a string to the given window starting at (y, x) 101 */ 102 int 103 mvwaddstr(WINDOW *win, int y, int x, const char *str) 104 { 105 __CTRACE(__CTRACE_INPUT, "mvwaddnstr: win: %p, y: %d, x: %d, string: %s\n", 106 win, y, x, str); 107 108 return mvwaddnstr(win, y, x, str, -1); 109 } 110 111 /* 112 * mvaddnstr -- 113 * Add a string of at most n characters to stdscr 114 * starting at (y, x). 115 */ 116 int 117 mvaddnstr(int y, int x, const char *str, int count) 118 { 119 __CTRACE(__CTRACE_INPUT, "mvaddnstr: n: %d, y: %d, x: %d, string: %s\n", 120 count, y, x, str); 121 122 return mvwaddnstr(stdscr, y, x, str, count); 123 } 124 125 /* 126 * mvwaddnstr -- 127 * Add a string of at most n characters to the given window 128 * starting at (y, x). 129 */ 130 int 131 mvwaddnstr(WINDOW *win, int y, int x, const char *str, int count) 132 { 133 __CTRACE(__CTRACE_INPUT, "mvwaddnstr: win: %p, n: %d, y: %d, x: %d, string: %s\n", 134 win, count, y, x, str); 135 136 if (wmove(win, y, x) == ERR) 137 return ERR; 138 139 return waddnstr(win, str, count); 140 } 141 142 #endif 143 144 /* 145 * waddnstr -- 146 * Add a string (at most n characters) to the given window 147 * starting at (_cury, _curx). If n is negative, add the 148 * entire string. 149 */ 150 int 151 waddnstr(WINDOW *win, const char *s, int n) 152 { 153 size_t len; 154 const char *p; 155 156 __CTRACE(__CTRACE_INPUT, "ADDNSTR: win %p, length %d\n", win, n); 157 __CTRACE(__CTRACE_INPUT, "ADDNSTR: string %s\n", s); 158 /* 159 * behavior changed from traditional BSD curses, for better XCURSES 160 * conformance. 161 * 162 * BSD curses: if (n > 0) then "at most n", else "len = strlen(s)" 163 * ncurses: if (n >= 0) then "at most n", else "len = strlen(s)" 164 * XCURSES: if (n != -1) then "at most n", else "len = strlen(s)" 165 * 166 */ 167 if (n >= 0) 168 for (p = s, len = 0; n-- && *p++; ++len); 169 else 170 len = strlen(s); 171 172 return waddbytes(win, s, (int) len); 173 } 174