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Update.
2003-03-13 Ulrich Drepper <drepper@redhat.com> * posix/getconf.c: Recognize POSIX2_SYMLINKS. * sysdeps/generic/bits/confname.h: Define _PC_2_SYMLINKS. * sysdeps/posix/fpathconf.c: Handle _PC_2_SYMLINKS. * sysdeps/posix/pathconf.c: Likewise. * sysdeps/unix/sysv/linux/fpathconf.c: Likewise. * sysdeps/unix/sysv/linux/pathconf.c: Likewise. * sysdeps/unix/sysv/linux/pathconf.h: Define statfs_symlinks. * sysdeps/unix/sysv/linux/linux_fsinfo.h: Define some more magic words.
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Ulrich Drepper
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ChangeLog
13
ChangeLog
@ -1,3 +1,16 @@
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2003-03-13 Ulrich Drepper <drepper@redhat.com>
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* posix/getconf.c: Recognize POSIX2_SYMLINKS.
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* sysdeps/generic/bits/confname.h: Define _PC_2_SYMLINKS.
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* sysdeps/posix/fpathconf.c: Handle _PC_2_SYMLINKS.
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* sysdeps/posix/pathconf.c: Likewise.
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* sysdeps/unix/sysv/linux/fpathconf.c: Likewise.
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* sysdeps/unix/sysv/linux/pathconf.c: Likewise.
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* sysdeps/unix/sysv/linux/pathconf.h: Define statfs_symlinks.
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* sysdeps/unix/sysv/linux/linux_fsinfo.h: Define some more magic
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words.
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2003-03-14 Alexandre Oliva <aoliva@redhat.com>
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* include/gmp.h: Include/gmp-mparam.h.
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@ -62,8 +62,10 @@ enum
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#define _PC_REC_XFER_ALIGN _PC_REC_XFER_ALIGN
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_PC_ALLOC_SIZE_MIN,
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#define _PC_ALLOC_SIZE_MIN _PC_ALLOC_SIZE_MIN
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_PC_SYMLINK_MAX
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_PC_SYMLINK_MAX,
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#define _PC_SYMLINK_MAX _PC_SYMLINK_MAX
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_PC_2_SYMLINKS
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#define _PC_2_SYMLINKS _PC_2_SYMLINKS
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};
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/* Values for the argument to `sysconf'. */
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@ -1,3 +1,11 @@
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2003-03-13 Ulrich Drepper <drepper@redhat.com>
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* allocatestack.c (allocate_stack): If MULTI_PAGE_ALIASING is defined
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and the size of the stack which must be allocated is a multiple,
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allocate one more page.
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* sysdeps/i386/i686/Makefile: Don't define COLORING_INCREMENT, but
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MULTI_PAGE_ALIASING.
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2003-03-13 Roland McGrath <roland@redhat.com>
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* pthread_create.c (start_thread): Set EXITING_BIT after the
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@ -18,6 +18,15 @@
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# 02111-1307 USA.
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ifeq ($(subdir),nptl)
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# For P4 processors we color the stack in 128 bit steps.
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CFLAGS-pthread_create.c += -DCOLORING_INCREMENT=128
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# It turns out that stack coloring is in general not good on P4s. Some
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# applications will benefit. We will probably have a configuration option
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# at some point. Enabling coloring can be done with
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#
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# -DCOLORING_INCREMENT=128
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#
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# What is useful is to avoid the 64k aliasing problem which reliably
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# happens if all stacks use sizes which are a multiple of 64k. Tell
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# the stack allocator to disturb this by allocation one more page if
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# necessary.
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CFLAGS-pthread_create.c += -DMULTI_PAGE_ALIASING=65536
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endif
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@ -865,6 +865,9 @@ static const struct conf vars[] =
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#ifdef _CS_GNU_LIBPTHREAD_VERSION
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{ "GNU_LIBPTHREAD_VERSION", _CS_GNU_LIBPTHREAD_VERSION, CONFSTR },
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#endif
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#ifdef _PC_2_SYMLINKS
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{ "POSIX2_SYMLINKS", _PC_2_SYMLINKS, PATHCONF },
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#endif
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{ NULL, 0, SYSCONF }
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};
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@ -62,8 +62,10 @@ enum
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#define _PC_REC_XFER_ALIGN _PC_REC_XFER_ALIGN
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_PC_ALLOC_SIZE_MIN,
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#define _PC_ALLOC_SIZE_MIN _PC_ALLOC_SIZE_MIN
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_PC_SYMLINK_MAX
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_PC_SYMLINK_MAX,
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#define _PC_SYMLINK_MAX _PC_SYMLINK_MAX
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_PC_2_SYMLINKS
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#define _PC_2_SYMLINKS _PC_2_SYMLINKS
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};
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/* Values for the argument to `sysconf'. */
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@ -1,4 +1,5 @@
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/* Copyright (C) 1991,1995,1996,1998,2000,2001 Free Software Foundation, Inc.
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/* Copyright (C) 1991,1995,1996,1998,2000,2001,2003
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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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@ -229,6 +230,10 @@ __fpathconf (fd, name)
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/* In general there are no limits. If a system has one it should
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overwrite this case. */
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return -1;
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case _PC_2_SYMLINKS:
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/* Unix systems generally have symlinks. */
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return 1;
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}
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}
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@ -1,4 +1,5 @@
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/* Copyright (C) 1991,1995,1996,1998,2000,2001 Free Software Foundation, Inc.
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/* Copyright (C) 1991,1995,1996,1998,2000,2001,2003
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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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@ -225,6 +226,10 @@ __pathconf (const char *path, int name)
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/* In general there are no limits. If a system has one it should
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overwrite this case. */
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return -1;
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case _PC_2_SYMLINKS:
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/* Unix systems generally have symlinks. */
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return 1;
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}
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}
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@ -1,5 +1,5 @@
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/* Get file-specific information about descriptor FD. Linux version.
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Copyright (C) 1991,95,96,98,99,2000,2001,2002 Free Software Foundation, Inc.
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Copyright (C) 1991,1995,1996,1998-2002,2003 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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@ -38,8 +38,13 @@ __fpathconf (fd, name)
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{
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case _PC_LINK_MAX:
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return statfs_link_max (__fstatfs (fd, &fsbuf), &fsbuf);
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case _PC_FILESIZEBITS:
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return statfs_filesize_max (__fstatfs (fd, &fsbuf), &fsbuf);
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case _PC_2_SYMLINKS:
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return statfs_symlinks (__fstatfs (fd, &fsbuf), &fsbuf);
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default:
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return posix_fpathconf (fd, name);
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}
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@ -1,5 +1,5 @@
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/* Constants from kernel header for various FSes.
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Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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Copyright (C) 1998,1999,2000,2001,2002,2003 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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@ -40,6 +40,9 @@
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/* Constants that identify the `coherent' filesystem. */
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#define COH_SUPER_MAGIC 0x012ff7b7
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/* Constant that identifies the `ramfs' filesystem. */
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#define CRAMFS_MAGIC 0x28cd3d45
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/* Constant that identifies the `devfs' filesystem. */
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#define DEVFS_SUPER_MAGIC 0x1373
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@ -48,6 +51,7 @@
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/* Constant that identifies the `efs' filesystem. */
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#define EFS_SUPER_MAGIC 0x414A53
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#define EFS_MAGIC 0x072959
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/* Constant that identifies the `ext2' and `ext3' filesystems. */
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#define EXT2_SUPER_MAGIC 0xef53
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@ -1,5 +1,5 @@
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/* Get file-specific information about a file. Linux version.
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Copyright (C) 1991,95,96,98,99,2000,2001,2002 Free Software Foundation, Inc.
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Copyright (C) 1991,1995,1996,1998-2002,2003 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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@ -36,8 +36,13 @@ __pathconf (const char *file, int name)
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{
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case _PC_LINK_MAX:
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return statfs_link_max (__statfs (file, &fsbuf), &fsbuf);
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case _PC_FILESIZEBITS:
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return statfs_filesize_max (__statfs (file, &fsbuf), &fsbuf);
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case _PC_2_SYMLINKS:
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return statfs_symlinks (__statfs (file, &fsbuf), &fsbuf);
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default:
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return posix_pathconf (file, name);
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}
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@ -1,5 +1,5 @@
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/* Common parts of Linux implementation of pathconf and fpathconf.
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Copyright (C) 1991,95,96,98,99,2000,2001,2002 Free Software Foundation, Inc.
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Copyright (C) 1991,1995,1996,1998-2002,2003 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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@ -22,8 +22,8 @@
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#include <sys/statfs.h>
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#include "linux_fsinfo.h"
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/* Used like: return statfs_link_max (__statfs (name, &buf), &buf); */
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/* Used like: return statfs_link_max (__statfs (name, &buf), &buf); */
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static inline long int
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statfs_link_max (int result, const struct statfs *fsbuf)
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{
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@ -75,8 +75,8 @@ statfs_link_max (int result, const struct statfs *fsbuf)
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}
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}
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/* Used like: return statfs_filesize_max (__statfs (name, &buf), &buf); */
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/* Used like: return statfs_filesize_max (__statfs (name, &buf), &buf); */
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static inline long int
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statfs_filesize_max (int result, const struct statfs *fsbuf)
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{
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@ -114,3 +114,38 @@ statfs_filesize_max (int result, const struct statfs *fsbuf)
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return 32;
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}
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}
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/* Used like: return statfs_link_max (__statfs (name, &buf), &buf); */
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static inline long int
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statfs_symlinks (int result, const struct statfs *fsbuf)
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{
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if (result < 0)
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{
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if (errno == ENOSYS)
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/* Not possible, return the default value. */
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return 1;
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/* Some error occured. */
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return -1;
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}
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switch (fsbuf->f_type)
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{
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case ADFS_SUPER_MAGIC:
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case BFS_MAGIC:
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case CRAMFS_MAGIC:
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case DEVPTS_SUPER_MAGIC:
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case EFS_SUPER_MAGIC:
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case EFS_MAGIC:
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case MSDOS_SUPER_MAGIC:
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case NTFS_SUPER_MAGIC:
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case QNX4_SUPER_MAGIC:
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case ROMFS_SUPER_MAGIC:
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/* No symlink support. */
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return 0;
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default:
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return 1;
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}
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}
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