/* $OpenBSD: lib_termcap.c,v 1.4 1998/11/17 03:16:21 millert Exp $ */ /**************************************************************************** * Copyright (c) 1998 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 * ****************************************************************************/ #include #include #include #define __INTERNAL_CAPS_VISIBLE #include MODULE_ID("$From: lib_termcap.c,v 1.22 1998/09/26 12:27:03 tom Exp $") /* some of the code in here was contributed by: Magnus Bengtsson, d6mbeng@dtek.chalmers.se */ char PC; char *UP; char *BC; speed_t ospeed; /*************************************************************************** * * tgetent(bufp, term) * * In termcap, this function reads in the entry for terminal `term' into the * buffer pointed to by bufp. It must be called before any of the functions * below are called. * In this terminfo emulation, tgetent() simply calls setupterm() (which * does a bit more than tgetent() in termcap does), and returns its return * value (1 if successful, 0 if no terminal with the given name could be * found, or -1 if no terminal descriptions have been installed on the * system). The bufp argument is ignored. * ***************************************************************************/ int tgetent(char *bufp GCC_UNUSED, const char *name) { int errcode; #if defined(TERMIOS) speed_t speed; #endif T(("calling tgetent")); setupterm(name, STDOUT_FILENO, &errcode); if (errcode != 1) return(errcode); if (cursor_left) if ((backspaces_with_bs = !strcmp(cursor_left, "\b")) == 0) backspace_if_not_bs = cursor_left; /* we're required to export these */ if (pad_char != NULL) PC = pad_char[0]; if (cursor_up != NULL) UP = cursor_up; if (backspace_if_not_bs != NULL) BC = backspace_if_not_bs; #if defined(TERMIOS) /* * Back-convert to the funny speed encoding used by the old BSD * curses library. Method suggested by Andrey Chernov * */ if ((speed = cfgetospeed(&cur_term->Nttyb)) < 1) ospeed = 1; /* assume lowest non-hangup speed */ else { const speed_t *sp; static const speed_t speeds[] = { #ifdef B115200 B115200, #endif #ifdef B57600 B57600, #endif #ifdef B38400 B38400, #else #ifdef EXTB EXTB, #endif #endif /* B38400 */ #ifdef B19200 B19200, #else #ifdef EXTA EXTA, #endif #endif /* B19200 */ B9600, B4800, B2400, B1800, B1200, B600, B300, B200, B150, B134, B110, B75, B50, B0, }; #define MAXSPEED SIZEOF(speeds) for (sp = speeds; sp < speeds + MAXSPEED; sp++) { if (sp[0] <= speed) { break; } } ospeed = MAXSPEED - (sp - speeds); } #else ospeed = cur_term->Nttyb.sg_ospeed; #endif /* LINT_PREPRO #if 0*/ #include /* LINT_PREPRO #endif*/ return errcode; } /*************************************************************************** * * tgetflag(str) * * Look up boolean termcap capability str and return its value (TRUE=1 if * present, FALSE=0 if not). * ***************************************************************************/ int tgetflag(const char *id) { int i; T(("tgetflag: %s", id)); if (cur_term != 0) { for (i = 0; i < BOOLCOUNT; i++) { if (!strncmp(id, boolcodes[i], 2)) { /* setupterm forces invalid booleans to false */ return cur_term->type.Booleans[i]; } } } return 0; /* Solaris does this */ } /*************************************************************************** * * tgetnum(str) * * Look up numeric termcap capability str and return its value, or -1 if * not given. * ***************************************************************************/ int tgetnum(const char *id) { int i; T(("tgetnum: %s", id)); if (cur_term != 0) { for (i = 0; i < NUMCOUNT; i++) { if (!strncmp(id, numcodes[i], 2)) { if (!VALID_NUMERIC(cur_term->type.Numbers[i])) return -1; return cur_term->type.Numbers[i]; } } } return ERR; } /*************************************************************************** * * tgetstr(str, area) * * Look up string termcap capability str and return a pointer to its value, * or NULL if not given. * ***************************************************************************/ char *tgetstr(const char *id, char **area GCC_UNUSED) { int i; T(("tgetstr: %s", id)); if (cur_term != 0) { for (i = 0; i < STRCOUNT; i++) { T(("trying %s", strcodes[i])); if (!strncmp(id, strcodes[i], 2)) { T(("found match : %s", _nc_visbuf(cur_term->type.Strings[i]))); /* setupterm forces cancelled strings to null */ return cur_term->type.Strings[i]; } } } return NULL; } /* * char * * tgoto(string, x, y) * * Retained solely for upward compatibility. Note the intentional * reversing of the last two arguments. * */ char *tgoto(const char *string, int x, int y) { return(tparm((NCURSES_CONST char *)string, y, x)); }