9271a050b5
1998-10-22 H.J. Lu <hjl@gnu.org> * sysdeps/unix/sysv/linux/i386/getgroups.c (__getgroups): Add sanity check for n. * sysdeps/unix/sysv/linux/i386/setgroups.c (setgroups): Likewise. * sysdeps/posix/fpathconf.c (__fpathconf): Set errno to EINVAL if errno == ENODEV. Tested by VSX-PCT. * sysdeps/posix/isatty.c (__isatty): Don't reset errno. Tested by VSX-PCT. * posix/execvp.c (execvp): Check "". Tested by VSX-PCT.
33 lines
1.1 KiB
C
33 lines
1.1 KiB
C
/* Copyright (C) 1991, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <unistd.h>
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#include <termios.h>
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/* Return 1 if FD is a terminal, 0 if not. */
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int
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__isatty (fd)
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int fd;
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{
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struct termios term;
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return __tcgetattr (fd, &term) == 0;
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}
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weak_alias (__isatty, isatty)
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