/* $OpenBSD: keyboard.c,v 1.6 2000/07/10 03:10:17 millert Exp $ */ /* $NetBSD: keyboard.c,v 1.2 1995/01/20 08:51:59 jtc Exp $ */ /*- * Copyright (c) 1980, 1992, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef lint #if 0 static char sccsid[] = "@(#)keyboard.c 8.1 (Berkeley) 6/6/93"; #endif static char rcsid[] = "$OpenBSD: keyboard.c,v 1.6 2000/07/10 03:10:17 millert Exp $"; #endif /* not lint */ #include #include #include #include "systat.h" #include "extern.h" void keyboard() { char ch, line[80]; int oldmask; for (;;) { col = 0; move(CMDLINE, 0); do { refresh(); if ((ch = getch()) == ERR) exit(1); ch &= 0177; if (ch == 0177 && ferror(stdin)) { clearerr(stdin); continue; } if (ch >= 'A' && ch <= 'Z') ch += 'a' - 'A'; if (col == 0) { #define mask(s) (1 << ((s) - 1)) if (ch == CTRL('l')) { oldmask = sigblock(mask(SIGALRM)); wrefresh(curscr); sigsetmask(oldmask); continue; } if (ch == CTRL('g')) { oldmask = sigblock(mask(SIGALRM)); status(); sigsetmask(oldmask); continue; } if (ch != ':') continue; move(CMDLINE, 0); clrtoeol(); } if (ch == erasechar() && col > 0) { if (col == 1 && line[0] == ':') continue; col--; goto doerase; } if (ch == CTRL('w') && col > 0) { while (--col >= 0 && isspace(line[col])) ; col++; while (--col >= 0 && !isspace(line[col])) if (col == 0 && line[0] == ':') break; col++; goto doerase; } if (ch == killchar() && col > 0) { col = 0; if (line[0] == ':') col++; doerase: move(CMDLINE, col); clrtoeol(); continue; } if (col >= sizeof(line) - 1) { /* line too long */ beep(); continue; } if (isprint(ch) || ch == ' ') { line[col] = ch; mvaddch(CMDLINE, col, ch); col++; } } while (col == 0 || (ch != '\r' && ch != '\n')); line[col] = '\0'; oldmask = sigblock(mask(SIGALRM)); command(line + 1); sigsetmask(oldmask); } /*NOTREACHED*/ }