2 * Copyright (c) 1995, 1996, 1997, 1998 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 #ifdef HAVE_SYS_TYPES_H
41 #include <sys/types.h>
44 #if 0 /* Where were those needed? /confused */
45 #ifdef HAVE_SYS_PROC_H
60 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
61 get_window_size(int fd, int *lines, int *columns)
65 #if defined(TIOCGWINSZ)
69 ret = ioctl(fd, TIOCGWINSZ, &ws);
78 #elif defined(TIOCGSIZE)
82 ret = ioctl(fd, TIOCGSIZE, &ts);
87 *columns = ts.ts_cols;
91 #elif defined(HAVE__SCRSIZE)
102 #elif defined(_WIN32)
105 CONSOLE_SCREEN_BUFFER_INFO sb_info;
107 fh = _get_osfhandle(fd);
108 if (fh != (intptr_t) INVALID_HANDLE_VALUE &&
109 GetConsoleScreenBufferInfo((HANDLE) fh, &sb_info)) {
111 *lines = 1 + sb_info.srWindow.Bottom - sb_info.srWindow.Top;
113 *columns = 1 + sb_info.srWindow.Right - sb_info.srWindow.Left;
120 if ((s = getenv("COLUMNS")))
126 if ((s = getenv("LINES")))