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lftp_tinfo.cc
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lftp_tinfo.cc
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/*
* lftp - file transfer program
*
* Copyright (c) 1996-2012 by Alexander V. Lukyanov (lav@yars.free.net)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* $Id: lftp_tinfo.cc,v 1.7 2008/11/27 05:56:39 lav Exp $ */
#include <config.h>
extern "C" {
#if defined(HAVE_CURSES_H)
# include <curses.h>
# if defined(HAVE_TERM_H)
# include <term.h>
# elif defined(HAVE_NCURSES_TERM_H)
# include <ncurses/term.h>
# endif
#elif defined(HAVE_NCURSES_CURSES_H)
# include <ncurses/curses.h>
# if defined(HAVE_NCURSES_TERM_H)
# include <ncurses/term.h>
# elif defined(HAVE_TERM_H)
# include <term.h>
# endif
#elif defined(HAVE_TERMCAP_H)
# include <termcap.h>
#endif
}
#include <stdlib.h>
#include "lftp_tinfo.h"
static bool terminfo_ok = true;
static void init_terminfo()
{
static bool initted = false;
if(initted) return;
initted = true;
#if defined(HAVE_TIGETSTR)
int errret=0;
if(setupterm(NULL, 1, &errret) == ERR)
terminfo_ok = false;
#elif defined(HAVE_TGETSTR)
static char buf[2048];
if(tgetent(buf,getenv("TERM")) == -1)
terminfo_ok = false;
#endif
}
const char *get_string_term_cap(const char *terminfo_cap, const char *tcap_cap)
{
init_terminfo();
if(!terminfo_ok)
return 0;
#if defined(HAVE_TIGETSTR)
/* Cast to work around missing const def in some ncurses installations: */
const char *ret = tigetstr(const_cast<char *>(terminfo_cap));
if(ret && ret != (char *)-1) return ret;
#elif defined(HAVE_TGETSTR)
const char *ret = tgetstr(const_cast<char *>(tcap_cap), 0);
if(ret && ret != (const char *)-1)
return ret;
#endif
return NULL;
}