glibc/sysdeps/posix/fpathconf.c
Ulrich Drepper e918a7feeb Update.
1998-07-09 13:34  Ulrich Drepper  <drepper@cygnus.com>

	* grp/grp.h: Define gid_t also for __USE_XOPEN.
	* io/fcntl.h: Include <sys/stat.h> also for __USE_XOPEN.
	* io/utime.h: Define time_t also for __USE_XOPEN.
	* io/sys/stat.h: Define time_t also for __USE_XOPEN.
	Define *_t types except for pid_t also for __USE_XOPEN.
	Define S_* macros also for __USE_XOPEN.
	* locale/langinfo.h: Define CODESET, CRNCYSTR, RADIXCHAR, and
	THOUSEP also for __USE_XOPEN.
	* math/math.c: Define M_* macros also for __USE_XOPEN.
	* math/bits/mathcalls.h: Declare hypot also for __USE_XOPEN.
	* posix/fnmatch.h: Define FNM_NOSYS and for if _XOPEN_SOURCE is
	defined.
	* posix/glob.h: Likewise for GLOB_NOSYS.
	* posix/regex.h: Likewise for REG_NOSYS.
	* posix/wordexp.h: Likewise for WRDE_NOSYS.
	* posix/unistd.h: Define *_t types also for __USE_XOPEN.
	* posix/sys/wait.h: Define pid_t for __USE_XOPEN.
	* pwd/pwd.h: Define gid_t and pid_t also for __USE_XOPEN.
	* signal/signal.h: Define pid_t also fir __USE_XOPEN.
	* sysdeps/unix/sysv/linux/bits/fcntl.h: Define _RSYNC and O_DSYNC also
	for __USE_POSIX199309.
	* sysdeps/unix/sysv/linux/bits/termios.h: Define the various B*
	constants also for __USE_XOPEN.
	* wcsmbs/wchar.h: For XPG4 include wctype.h.

	* intl/dcgettext.c (find_msg): Initialize act to prevent warning.
	* locale/setlocale.c (new_composite_name): Likewise for last_len.

	* libio/stdio.h: Don't declare fclose_unlocked.

	* sysdeps/posix/fpathconf.c: Handle _PC_FILESIZEBITS.

1998-07-08  Mark Kettenis  <kettenis@phys.uva.nl>

	* stdio/stdio.h: Add prototypes for fflush_unlocked,
	getc_unlocked, getchar_unlocked, putc_unlocked, putchar_unlocked,
	fgets_unlocked, fread_unlocked, fwrite_unlocked,
	clearerr_unlocked, feof_unlocked, ferror_unlocked,
	fileno_unlocked, flockfile, ftrylockfile, funlockfile.
	[__USE_XOPEN && !__USE_GNU] Declare optarg, optind, opterr.  Add
	prototype for getopt.
	* stdio/clearerr.c (clearerr_unlocked): Weak alias for clearerr.
	* stdio/feof.c (feof_unlocked): Weak alias for feof.
	* stdio/ferror.c (ferror_unlocked): Weak alias for ferror.
	* stdio/fflush.c (fflush_unlocked): Weak alias for fflush.
	* stdio/fgets.c (fgets_unlocked): Weak alias for fgets.
	* stdio/fileno.c (fileno_unlocked): Weak alias for fileno.
	* stdio/fputc.c (fputc_unlocked): Weak alias for fputc.
	* stdio/fread.c (fread_unlocked): Weak alias for fread.
	* stdio/fwrite.c (fwrite_unlocked): Weak alias for fwrite.
	* stdio/getc.c (getchar_unlocked): Weak alias for getc.
	* stdio/getchar.c (getchar_unlocked): Weak alias for getchar.
	* stdio/putc.c (putc_unlocked): Weak alias for putc.
	* stdio/putchar.c (putchar_unlocked): Weak alias for putchar.
	* stdio/Versions [GLIBC_2.1]: Add clearerr_unlocked,
	feof_unlocked, ferror_unlocked, fflush_unlocked, fgets_unlocked,
	fileno_unlocked, fputc_unlocked, fread_unlocked, fwrite_unlocked,
	getc_unlocked, getchar_unlocked, putc_unlocked and
	putchar_unlocked.

	* libio/Versions: Move flockfile, ftrylockfile and funlockfile
	from here ...
	* stdio-common/Versions: ... to here.

1998-07-09  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* Makerules (versioning): Correct typo.
1998-07-09 13:58:47 +00:00

162 lines
3 KiB
C

/* Copyright (C) 1991, 1995, 1996, 1998 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <stddef.h>
#include <unistd.h>
#include <limits.h>
#include <sys/statfs.h>
/* Get file-specific information about descriptor FD. */
long int
__fpathconf (fd, name)
int fd;
int name;
{
if (fd < 0)
{
__set_errno (EBADF);
return -1;
}
switch (name)
{
default:
__set_errno (EINVAL);
return -1;
case _PC_LINK_MAX:
#ifdef LINK_MAX
return LINK_MAX;
#else
return -1;
#endif
case _PC_MAX_CANON:
#ifdef MAX_CANON
return MAX_CANON;
#else
return -1;
#endif
case _PC_MAX_INPUT:
#ifdef MAX_INPUT
return MAX_INPUT;
#else
return -1;
#endif
case _PC_NAME_MAX:
#ifdef NAME_MAX
{
struct statfs buf;
int save_errno = errno;
if (__fstatfs (fd, &buf) < 0)
{
if (errno == ENOSYS)
{
errno = save_errno;
return NAME_MAX;
}
return -1;
}
else
return buf.f_namelen;
}
#else
return -1;
#endif
case _PC_PATH_MAX:
#ifdef PATH_MAX
return PATH_MAX;
#else
return -1;
#endif
case _PC_PIPE_BUF:
#ifdef PIPE_BUF
return PIPE_BUF;
#else
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
case _PC_SYNC_IO:
#ifdef _POSIX_SYNC_IO
return _POSIX_SYNC_IO;
#else
return -1;
#endif
case _PC_ASYNC_IO:
#ifdef _POSIX_ASYNC_IO
return _POSIX_ASYNC_IO;
#else
return -1;
#endif
case _PC_PRIO_IO:
#ifdef _POSIX_PRIO_IO
return _POSIX_PRIO_IO;
#else
return -1;
#endif
case _PC_SOCK_MAXBUF:
#ifdef SOCK_MAXBUF
return SOCK_MAXBUF;
#else
return -1;
#endif
case _PC_FILESIZEBITS:
#ifdef FILESIZEBITS
return FILESIZEBITS;
#else
/* We let platforms with larger file sizes overwrite this value. */
return 32;
#endif
}
}
#undef __fpathconf
weak_alias (__fpathconf, fpathconf)