985fcdd813
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@5106 ec53bebd-3082-4978-b11e-865c3cabbd6b
108 lines
3.0 KiB
C
108 lines
3.0 KiB
C
/*
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* Copyright (c) 1995, 1996, 1997, 1998 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the Kungliga Tekniska
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* Högskolan and its contributors.
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*
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* 4. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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RCSID("$Id$");
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#endif
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#include <stdlib.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#if 0 /* Where were those needed? /confused */
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#ifdef HAVE_SYS_PROC_H
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#include <sys/proc.h>
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#endif
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#ifdef HAVE_SYS_TTY_H
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#include <sys/tty.h>
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#endif
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#endif
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#ifdef HAVE_TERMIOS_H
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#include <termios.h>
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#endif
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#include <roken.h>
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int
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get_window_size(int fd, struct winsize *wp)
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{
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int ret = -1;
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memset(wp, 0, sizeof(*wp));
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#if defined(TIOCGWINSZ)
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ret = ioctl(fd, TIOCGWINSZ, wp);
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#elif defined(TIOCGSIZE)
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{
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struct ttysize ts;
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ret = ioctl(fd, TIOCGSIZE, &ts);
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if(ret == 0) {
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wp->ws_row = ts.ts_lines;
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wp->ws_col = ts.ts_cols;
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}
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}
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#elif defined(HAVE__SCRSIZE)
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{
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int dst[2];
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_scrsize(dst);
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wp->ws_row = dst[1];
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wp->ws_col = dst[0];
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ret = 0;
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}
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#endif
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if (ret != 0) {
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char *s;
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if((s = getenv("COLUMNS")))
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wp->ws_col = atoi(s);
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if((s = getenv("LINES")))
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wp->ws_row = atoi(s);
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if(wp->ws_col > 0 && wp->ws_row > 0)
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ret = 0;
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}
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return ret;
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}
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