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Diffstat (limited to 'lib/libpthread/gen/isatty.c')
| -rw-r--r-- | lib/libpthread/gen/isatty.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/lib/libpthread/gen/isatty.c b/lib/libpthread/gen/isatty.c new file mode 100644 index 00000000000..a3a01aad19e --- /dev/null +++ b/lib/libpthread/gen/isatty.c @@ -0,0 +1,95 @@ +/* + * Copyright (c) 1988 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +/*static char *sccsid = "from: @(#)isatty.c 5.6 (Berkeley) 2/23/91";*/ +static char *rcsid = "$Id: isatty.c,v 1.1 1998/07/21 13:19:02 peter Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <pthread.h> +#ifdef sunos4 +#include <sys/termio.h> +#else +#include <termios.h> +#endif +#include <unistd.h> + +/* + * If TIOCGETA is not defined try TCGETATTR + * If TCGETATTR is not defined try TCGETA + * If that doesn't work try getting it from termio.h + */ +#ifndef TIOCGETA +#ifdef TCGETATTR +#define TIOCGETA TCGETATTR +#else +#ifndef TCGETA +#include <termio.h> +#endif +#ifndef TIOCGETA +#define TIOCGETA TCGETA +#endif +#endif +#endif + +/* fd is the real fd to pass to the kernel */ +int isatty_basic(int fd) +{ +#ifdef sunos4 + struct termio t; +#else /* !sunos4 */ + struct termios t; +#endif /* sunos4 */ + return (machdep_sys_ioctl(fd, +#ifdef sunos4 + TCGETA, +#else /* !sunos4 */ + TIOCGETA, +#endif /* sunos4 */ + &t) ? 0 : 1); +} + +int isatty(int fd) +{ + int ret; + + if ((ret = fd_lock(fd, FD_READ, NULL)) == OK) { + ret = isatty_basic(fd_table[fd]->fd.i); + fd_unlock(fd, FD_READ); + } else { + /* Return 0 or 1 */ + ret = 0; + } + return(ret); +} + |