diff options
Diffstat (limited to 'sysdeps/posix/fpathconf.c')
-rw-r--r-- | sysdeps/posix/fpathconf.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/sysdeps/posix/fpathconf.c b/sysdeps/posix/fpathconf.c new file mode 100644 index 0000000000..b339990b57 --- /dev/null +++ b/sysdeps/posix/fpathconf.c @@ -0,0 +1,116 @@ +/* Copyright (C) 1991, 1995 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ansidecl.h> +#include <errno.h> +#include <stddef.h> +#include <unistd.h> +#include <limits.h> + + +/* Get file-specific information about descriptor FD. */ +long int +DEFUN(__fpathconf, (fd, name), int fd AND int name) +{ + if (fd < 0) + { + errno = EBADF; + return -1; + } + + switch (name) + { + default: + errno = EINVAL; + return -1; + + case _PC_LINK_MAX: +#ifdef LINK_MAX + return LINK_MAX; +#else + errno = ENOSYS; + return -1; +#endif + + case _PC_MAX_CANON: +#ifdef MAX_CANON + return MAX_CANON; +#else + errno = ENOSYS; + return -1; +#endif + + case _PC_MAX_INPUT: +#ifdef MAX_INPUT + return MAX_INPUT; +#else + errno = ENOSYS; + return -1; +#endif + + case _PC_NAME_MAX: +#ifdef NAME_MAX + return NAME_MAX; +#else + errno = ENOSYS; + return -1; +#endif + + case _PC_PATH_MAX: +#ifdef PATH_MAX + return PATH_MAX; +#else + errno = ENOSYS; + return -1; +#endif + + case _PC_PIPE_BUF: +#ifdef PIPE_BUF + return PIPE_BUF; +#else + errno = ENOSYS; + return -1; +#endif + + case _PC_CHOWN_RESTRICTED: +#ifdef _POSIX_CHOWN_RESTRICTED + return _POSIX_CHOWN_RESTRICTED; +#else + return -1; +#endif + + case _PC_NO_TRUNC: +#ifdef _POSIX_NO_TRUNC + return _POSIX_NO_TRUNC; +#else + return -1; +#endif + + case _PC_VDISABLE: +#ifdef _POSIX_VDISABLE + return _POSIX_VDISABLE; +#else + return -1; +#endif + } + + errno = ENOSYS; + return -1; +} + +weak_alias (__fpathconf, fpathconf) |