glibc/sysdeps/unix/sysv/linux/alpha/fpathconf.c
Ulrich Drepper 24f25de656 Update.
* version.h (VERSION): Bump to 2.0.99.

	* posix/fnmath.h: Don't redefine __P when used in glibc.
	* posix/glob.h: Likewise.

	* inet/rcmd.c (__ivaliduser2): Fix memory leak.
	Patch by Dick Streefland <dick_streefland@tasking.com>.

	* stdio-common/tst-ungetc.c: Add more test cases.

	* sysdeps/unix/sysv/linux/Dist: Add linux_fsinfo.h.
	* sysdeps/unix/sysv/linux/fstatvfs.c: Move filesystem magic number
	definitions to ...
	* sysdeps/unix/sysv/linux/linux_fsinfo.h: ...here.  New file.
	* sysdeps/unix/sysv/linux/fpathconf.c: New file.
	* sysdeps/unix/sysv/linux/pathconf.c: New file.
	* sysdeps/unix/sysv/linux/alpha/fpathconf.c: Handle _PC_LINK_MAX here.
	* sysdeps/unix/sysv/linux/alpha/pathconf.c: Likewise.

1998-10-20  Philip Blundell  <pb@nexus.co.uk>

	* sysdeps/unix/sysv/linux/arm/bits/armsigctx.h: Include
	<asm/ptrace.h> to define struct pt_regs.
	* sysdeps/unix/sysv/linux/arm/profil-counter.h: Don't bother
	including <asm/ptrace.h> here.

	* sysdeps/unix/sysv/linux/arm/sysdep.S: Remove spurious call to
	C_SYMBOL_NAME macro.

1998-10-23  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/generic/sys/ptrace.h (__ptrace_request): Remove comma at
	end of enumerator list.
	* sysdeps/unix/sysv/linux/sys/ptrace.h (__ptrace_request): Likewise.
	* posix/wordexp.h: Likewise.

	* db/db.h: Use __PMT instead of __P in typedefs.
	* db/mpool.h: Likewise.
	* sysdeps/generic/bits/siginfo.h: Likewise.
	* nis/rpcsvc/ypclnt.h: Likewise.

1998-10-23  Ulrich Drepper  <drepper@cygnus.com>
1998-10-23 13:44:50 +00:00

103 lines
2.5 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>
#include <linux_fsinfo.h>
static long int default_fpathconf (int fd, int name);
/* Get file-specific information about descriptor FD. */
long int
__fpathconf (fd, name)
int fd;
int name;
{
if (fd < 0)
{
__set_errno (EBADF);
return -1;
}
if (name == _PC_FILESIZEBITS)
{
/* Test whether this is on a ext2 filesystem which supports large
files. */
struct statfs fs;
if (__fstatfs (fd, &fs) < 0
|| (fs.f_type != EXT2_SUPER_MAGIC
&& fs.f_type != UFS_MAGIC
&& fs.f_type != UFS_CIGAM))
return 32;
/* This filesystem supported files >2GB. */
return 64;
}
if (name == _PC_LINK_MAX)
{
struct statfs fsbuf;
/* Determine the filesystem type. */
if (__fstatfs (fd, &fsbuf) < 0)
/* not possible, return the default value. */
return LINK_MAX;
switch (fsbuf.f_type)
{
case EXT2_SUPER_MAGIC:
return EXT2_LINK_MAX;
case MINIX_SUPER_MAGIC:
case MINIX_SUPER_MAGIC2:
return MINIX_LINK_MAX;
case MINIX2_SUPER_MAGIC:
case MINIX2_SUPER_MAGIC2:
return MINIX2_LINK_MAX;
case XENIX_SUPER_MAGIC:
return XENIX_LINK_MAX;
case SYSV4_SUPER_MAGIC:
case SYSV2_SUPER_MAGIC:
return SYSV_LINK_MAX;
case COH_SUPER_MAGIC:
return COH_LINK_MAX;
case UFS_MAGIC:
case UFS_CIGAM:
return UFS_LINK_MAX;
default:
return LINK_MAX;
}
}
/* Fallback to the generic version. */
return default_fpathconf (fd, name);
}
#define __fpathconf static default_fpathconf
#include <sysdeps/posix/fpathconf.c>