48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
// Copyright 2004 David Hilvert <dhilvert@auricle.dyndns.org>,
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// <dhilvert@ugcs.caltech.edu>
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/* This file is part of the Anti-Lamenessing Engine.
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The Anti-Lamenessing Engine is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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The Anti-Lamenessing Engine is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with the Anti-Lamenessing Engine; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __util_h__
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#define __util_h__
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#ifdef USE_IOCTL
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#include <sys/ioctl.h>
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#endif
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/*
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* Returns the terminal width if possible. Else, returns
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* -1. Based on the function 'determine_screen_width'
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* in wget 1.9.1.
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*/
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static inline int get_terminal_width (FILE *tty_file) {
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int error_code = -1;
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#if defined USE_IOCTL && defined TIOCGWINSZ
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struct winsize wsz;
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if(ioctl(fileno(tty_file), TIOCGWINSZ, &wsz) < 0)
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return error_code;
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return wsz.ws_col;
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#else
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return error_code;
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#endif
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}
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#endif
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