1 /* $NetBSD: add_wch.c,v 1.10 2024/12/23 02:58:03 blymn Exp $ */ 2 3 /* 4 * Copyright (c) 2005 The NetBSD Foundation Inc. 5 * All rights reserved. 6 * 7 * This code is derived from code donated to the NetBSD Foundation 8 * by Ruibiao Qiu <ruibiao@arl.wustl.edu,ruibiao@gmail.com>. 9 * 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the NetBSD Foundation nor the names of its 20 * contributors may be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND 24 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, 25 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 26 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 #include <sys/cdefs.h> 38 #ifndef lint 39 __RCSID("$NetBSD: add_wch.c,v 1.10 2024/12/23 02:58:03 blymn Exp $"); 40 #endif /* not lint */ 41 42 #include <stdlib.h> 43 #include "curses.h" 44 #include "curses_private.h" 45 #ifdef DEBUG 46 #include <assert.h> 47 #endif 48 49 /* 50 * add_wch -- 51 * Add the wide character to the current position in stdscr. 52 * 53 */ 54 int 55 add_wch(const cchar_t *wch) 56 { 57 return wadd_wch(stdscr, wch); 58 } 59 60 61 /* 62 * mvadd_wch -- 63 * Add the wide character to stdscr at the given location. 64 */ 65 int 66 mvadd_wch(int y, int x, const cchar_t *wch) 67 { 68 return mvwadd_wch(stdscr, y, x, wch); 69 } 70 71 72 /* 73 * mvwadd_wch -- 74 * Add the character to the given window at the given location. 75 */ 76 int 77 mvwadd_wch(WINDOW *win, int y, int x, const cchar_t *wch) 78 { 79 if (wmove(win, y, x) == ERR) 80 return ERR; 81 82 return wadd_wch(win, wch); 83 } 84 85 86 /* 87 * wadd_wch -- 88 * Add the wide character to the current position in the 89 * given window. 90 * 91 */ 92 int 93 wadd_wch(WINDOW *win, const cchar_t *wch) 94 { 95 int y = win->cury; 96 __LINE *lnp = NULL; 97 98 if (__predict_false(win == NULL)) 99 return ERR; 100 101 #ifdef DEBUG 102 int i; 103 int x = win->curx; 104 105 for (i = 0; i < win->maxy; i++) { 106 assert(win->alines[i]->sentinel == SENTINEL_VALUE); 107 } 108 __CTRACE(__CTRACE_INPUT, "wadd_wch: win(%p), x: %d, y: %d\n", 109 win, x, y); 110 #endif 111 lnp = win->alines[y]; 112 return _cursesi_addwchar(win, &lnp, &(win->cury), &(win->curx), wch, 1); 113 } 114