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/* $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 <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
****************************************************************************/
#include <curses.priv.h>
#include <termcap.h>
#include <tic.h>
#define __INTERNAL_CAPS_VISIBLE
#include <term.h>
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
* <ache@astral.msk.su>
*/
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 <capdefaults.c>
/* 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));
}
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