/* $OpenBSD: lib_kernel.c,v 1.2 2001/01/22 18:01:52 millert Exp $ */ /**************************************************************************** * Copyright (c) 1998,2000 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * * "Software"), to deal in the Software without restriction, including * * without limitation the rights to use, copy, modify, merge, publish, * * distribute, distribute with modifications, sublicense, and/or sell * * copies of the Software, and to permit persons to whom the Software is * * furnished to do so, subject to the following conditions: * * * * The above copyright notice and this permission notice shall be included * * in all copies or substantial portions of the Software. * * * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * * * Except as contained in this notice, the name(s) of the above copyright * * holders shall not be used in advertising or otherwise to promote the * * sale, use or other dealings in this Software without prior written * * authorization. * ****************************************************************************/ /**************************************************************************** * Author: Zeyd M. Ben-Halim 1992,1995 * * and: Eric S. Raymond * ****************************************************************************/ /* * lib_kernel.c * * Misc. low-level routines: * erasechar() * killchar() * flushinp() * * The baudrate() and delay_output() functions could logically live here, * but are in other modules to reduce the static-link size of programs * that use only these facilities. */ #include #include /* cur_term */ MODULE_ID("$From: lib_kernel.c,v 1.21 2000/12/10 02:55:07 tom Exp $") /* * erasechar() * * Return erase character as given in cur_term->Ottyb. * */ NCURSES_EXPORT(char) erasechar(void) { T((T_CALLED("erasechar()"))); if (cur_term != 0) { #ifdef TERMIOS returnCode(cur_term->Ottyb.c_cc[VERASE]); #else returnCode(cur_term->Ottyb.sg_erase); #endif } returnCode(ERR); } /* * killchar() * * Return kill character as given in cur_term->Ottyb. * */ NCURSES_EXPORT(char) killchar(void) { T((T_CALLED("killchar()"))); if (cur_term != 0) { #ifdef TERMIOS returnCode(cur_term->Ottyb.c_cc[VKILL]); #else returnCode(cur_term->Ottyb.sg_kill); #endif } returnCode(ERR); } /* * flushinp() * * Flush any input on cur_term->Filedes * */ NCURSES_EXPORT(int) flushinp(void) { T((T_CALLED("flushinp()"))); if (cur_term != 0) { #ifdef TERMIOS tcflush(cur_term->Filedes, TCIFLUSH); #else errno = 0; do { ioctl(cur_term->Filedes, TIOCFLUSH, 0); } while (errno == EINTR); #endif if (SP) { SP->_fifohead = -1; SP->_fifotail = 0; SP->_fifopeek = 0; } returnCode(OK); } returnCode(ERR); }