/*

 * lftp - file transfer program

 *

 * Copyright (c) 1996-2016 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/>.

 */

#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>

#else

# error No header file for tigetstr or tgetstr found. Install ncurses-dev or termcap-dev.

#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];

   const char *term=getenv("TERM");

   if(!term || tgetent(buf,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;

}