1 /* $NetBSD: addchnstr.c,v 1.2 2003/05/22 16:09:09 wiz Exp $ */ 2 3 /* 4 * Copyright (c) 2003 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Douwe Kiela (virtus@wanadoo.nl). 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 #ifndef lint 41 __RCSID("$NetBSD: addchnstr.c,v 1.2 2003/05/22 16:09:09 wiz Exp $"); 42 #endif /* not lint */ 43 44 #include <stdlib.h> 45 46 #include "curses.h" 47 #include "curses_private.h" 48 49 #ifndef _CURSES_USE_MACROS 50 51 /* 52 * addchstr -- 53 * Add a string to stdscr starting at (_cury, _curx). 54 */ 55 int 56 addchstr(const chtype *chstr) 57 { 58 return waddchnstr(stdscr, chstr, -1); 59 } 60 61 /* 62 * waddchstr -- 63 * Add a string to the given window starting at (_cury, _curx). 64 */ 65 int 66 waddchstr(WINDOW *win, const chtype *chstr) 67 { 68 return waddchnstr(win, chstr, -1); 69 } 70 71 /* 72 * addchnstr -- 73 * Add a string (at most n characters) to stdscr starting 74 * at (_cury, _curx). If n is negative, add the entire string. 75 */ 76 int 77 addchnstr(const chtype *chstr, int n) 78 { 79 return waddchnstr(stdscr, chstr, n); 80 } 81 82 /* 83 * mvaddchstr -- 84 * Add a string to stdscr starting at (y, x) 85 */ 86 int 87 mvaddchstr(int y, int x, const chtype *chstr) 88 { 89 return mvwaddchnstr(stdscr, y, x, chstr, -1); 90 } 91 92 /* 93 * mvwaddchstr -- 94 * Add a string to the given window starting at (y, x) 95 */ 96 int 97 mvwaddchstr(WINDOW *win, int y, int x, const chtype *chstr) 98 { 99 return mvwaddchnstr(win, y, x, chstr, -1); 100 } 101 102 /* 103 * mvaddchnstr -- 104 * Add a string of at most n characters to stdscr 105 * starting at (y, x). 106 */ 107 int 108 mvaddchnstr(int y, int x, const chtype *chstr, int n) 109 { 110 return mvwaddchnstr(stdscr, y, x, chstr, n); 111 } 112 113 /* 114 * mvwaddchnstr -- 115 * Add a string of at most n characters to the given window 116 * starting at (y, x). 117 */ 118 int 119 mvwaddchnstr(WINDOW *win, int y, int x, const chtype *chstr, int n) 120 { 121 if (wmove(win, y, x) == ERR) 122 return ERR; 123 124 return waddchnstr(win, chstr, n); 125 } 126 127 #endif 128 129 /* 130 * waddchnstr -- 131 * Add a string (at most n characters) to the given window 132 * starting at (_cury, _curx). If n is negative, add the 133 * entire string. 134 */ 135 int 136 waddchnstr(WINDOW *win, const chtype *chstr, int n) 137 { 138 size_t len; 139 const chtype *chp; 140 attr_t attr; 141 char *ocp, *cp, *start; 142 int i, ret; 143 144 #ifdef DEBUG 145 __CTRACE("waddchnstr: win = %p, chstr = %p, n = %d\n", win, chstr, n); 146 #endif 147 148 if (n >= 0) 149 for (chp = chstr, len = 0; n-- && *chp++; ++len); 150 else 151 for (chp = chstr, len = 0; *chp++; ++len); 152 153 if ((ocp = malloc(len + 1)) == NULL) 154 return ERR; 155 chp = chstr; 156 cp = ocp; 157 start = ocp; 158 i = 0; 159 attr = (*chp) & __ATTRIBUTES; 160 while (len) { 161 *cp = (*chp) & __CHARTEXT; 162 cp++; 163 chp++; 164 i++; 165 len--; 166 if (((*chp) & __ATTRIBUTES) != attr) { 167 *cp = '\0'; 168 if (__waddbytes(win, start, i, attr) == ERR) { 169 free(ocp); 170 return ERR; 171 } 172 attr = (*chp) & __ATTRIBUTES; 173 start = cp; 174 i = 0; 175 } 176 } 177 *cp = '\0'; 178 ret = __waddbytes(win, start, i, attr); 179 free(ocp); 180 return ret; 181 } 182