1 /* $NetBSD: getstr.c,v 1.12 2000/05/01 12:30:30 blymn Exp $ */ 2 3 /* 4 * Copyright (c) 1981, 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[] = "@(#)getstr.c 8.2 (Berkeley) 5/4/94"; 40 #else 41 __RCSID("$NetBSD: getstr.c,v 1.12 2000/05/01 12:30:30 blymn Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include "curses.h" 46 #include "curses_private.h" 47 48 #ifndef _CURSES_USE_MACROS 49 50 /* 51 * getstr -- 52 * Get a string from stdscr starting at (cury, curx). 53 */ 54 int 55 getstr(char *str) 56 { 57 return wgetstr(stdscr, str); 58 } 59 60 /* 61 * mvgetstr -- 62 * Get a string from stdscr starting at (y, x). 63 */ 64 int 65 mvgetstr(int y, int x, char *str) 66 { 67 return mvwgetstr(stdscr, y, x, str); 68 } 69 70 /* 71 * mvwgetstr -- 72 * Get a string from the given window starting at (y, x). 73 */ 74 int 75 mvwgetstr(WINDOW *win, int y, int x, char *str) 76 { 77 if (wmove(win, y, x) == ERR) 78 return ERR; 79 80 return wgetstr(win, str); 81 } 82 83 #endif 84 85 /* 86 * wgetstr -- 87 * Get a string starting at (cury, curx). 88 */ 89 int 90 wgetstr(WINDOW *win, char *str) 91 { 92 char *ostr, ec; 93 int oldx; 94 95 ostr = str; 96 ec = erasechar(); 97 oldx = win->curx; 98 99 while ((*str = wgetch(win)) != ERR && *str != '\n') { 100 if (*str == ec) { 101 *str = '\0'; 102 if (str != ostr) { 103 mvwdelch(win, win->cury, win->curx); 104 str--; 105 } else 106 wmove(win, win->cury, oldx); 107 } else 108 str++; 109 } 110 111 if (*str == ERR) { 112 *str = '\0'; 113 return (ERR); 114 } 115 *str = '\0'; 116 return (OK); 117 } 118