d346e50903
an -I flag is specified. The files in the compat dir could get away with double quotes here but I've converted all the source files to use angle brackets for consistency.
71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/*
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* Copyright (c) 2010 Todd C. Miller <Todd.Miller@courtesan.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <config.h>
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <stdio.h>
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#ifdef STDC_HEADERS
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# include <stdlib.h>
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# include <stddef.h>
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#else
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# ifdef HAVE_STDLIB_H
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# include <stdlib.h>
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# endif
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#endif /* STDC_HEADERS */
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif /* HAVE_UNISTD_H */
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#ifdef HAVE_TERMIOS_H
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# include <termios.h>
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#else
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# include <termio.h>
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#endif
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#include <compat.h>
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#if !defined(TIOCGSIZE) && defined(TIOCGWINSZ)
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# define TIOCGSIZE TIOCGWINSZ
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# define ttysize winsize
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# define ts_cols ws_col
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# define ts_lines ws_row
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#endif
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void
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get_ttysize(int *linep, int *colp)
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{
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char *p;
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#ifdef TIOCGSIZE
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struct ttysize win;
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if (ioctl(STDERR_FILENO, TIOCGSIZE, &win) == 0 &&
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win.ts_lines != 0 && win.ts_cols != 0) {
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*linep = win.ts_lines;
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*colp = win.ts_cols;
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return;
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}
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#endif
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/* Fall back on $LINES and $COLUMNS. */
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if ((p = getenv("LINES")) == NULL || (*linep = atoi(p)) <= 0)
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*linep = 24;
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if ((p = getenv("COLUMNS")) == NULL || (*colp = atoi(p)) <= 0)
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*colp = 80;
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}
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