Merging upstream version 6.8.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 0 insertions, 206 deletions

diff --git a/man3/lseek64.3 b/man3/lseek64.3
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-'\" t
-.\" Copyright 2004 Andries Brouwer <aeb@cwi.nl>.
-.\" and Copyright (c) 2020 Michael Kerrisk <mtk.manpages@gmail.com>
-.\"
-.\" SPDX-License-Identifier: Linux-man-pages-copyleft
-.\"
-.TH lseek64 3 2023-10-31 "Linux man-pages 6.7"
-.SH NAME
-lseek64 \- reposition 64-bit read/write file offset
-.SH LIBRARY
-Standard C library
-.RI ( libc ", " \-lc )
-.SH SYNOPSIS
-.nf
-.BR "#define _LARGEFILE64_SOURCE" "     /* See feature_test_macros(7) */"
-.B #include <sys/types.h>
-.B #include <unistd.h>
-.P
-.BI "off64_t lseek64(int " fd ", off64_t " offset ", int " whence );
-.fi
-.SH DESCRIPTION
-The
-.BR lseek ()
-family of functions reposition the offset of the open file associated
-with the file descriptor
-.I fd
-to
-.I offset
-bytes relative to the start, current position, or end of the file,
-when
-.I whence
-has the value
-.BR SEEK_SET ,
-.BR SEEK_CUR ,
-or
-.BR SEEK_END ,
-respectively.
-.P
-For more details, return value, and errors, see
-.BR lseek (2).
-.P
-Four interfaces are available:
-.BR lseek (),
-.BR lseek64 (),
-.BR llseek (),
-and
-.BR _llseek ().
-.\"
-.\" For some background details, see:
-.\" https://lore.kernel.org/linux-man/CAKgNAkhNSWR3uYhYYaxx74fZfJ3JrpfAAPVrK0AFk_cAOUsbDg@mail.gmail.com/
-.\"
-.SS lseek()
-Prototype:
-.P
-.in +4n
-.EX
-.BI "off_t lseek(int " fd ", off_t " offset ", int " whence );
-.EE
-.in
-.P
-The C library's
-.BR lseek ()
-wrapper function uses the type
-.IR off_t .
-This is a 32-bit signed type on 32-bit architectures, unless one
-compiles with
-.P
-.in +4n
-.EX
-#define _FILE_OFFSET_BITS 64
-.EE
-.in
-.P
-in which case it is a 64-bit signed type.
-.SS lseek64()
-Prototype:
-.P
-.in +4n
-.EX
-.BI "off64_t lseek64(int " fd ", off64_t " offset ", int " whence );
-.EE
-.in
-.P
-The
-.BR lseek64 ()
-library function uses a 64-bit type even when
-.I off_t
-is a 32-bit type.
-Its prototype (and the type
-.IR off64_t )
-is available only when one compiles with
-.P
-.in +4n
-.EX
-#define _LARGEFILE64_SOURCE
-.EE
-.in
-.P
-The function
-.BR lseek64 ()
-.\" in glibc 2.0.94, not in glibc 2.0.6
-is available since glibc 2.1.
-.\"
-.SS llseek()
-Prototype:
-.P
-.in +4n
-.EX
-.BI "loff_t llseek(int " fd ", loff_t " offset ", int " whence );
-.EE
-.in
-.P
-The type
-.I loff_t
-is a 64-bit signed type.
-The
-.BR llseek ()
-library function is available in glibc and works without special defines.
-However, the glibc headers do not provide a prototype.
-Users should add
-the above prototype, or something equivalent, to their own source.
-When users complained about data loss caused by a miscompilation of
-.BR e2fsck (8),
-glibc 2.1.3 added the link-time warning
-.P
-.in +4n
-"the \`llseek\' function may be dangerous; use \`lseek64\' instead."
-.in
-.P
-This makes this function unusable if one desires a warning-free
-compilation.
-.P
-Since glibc 2.28,
-.\" glibc commit 5c5c0dd747070db624c8e2c43691cec854f114ef
-this function symbol is no longer available to newly linked applications.
-.\"
-.SS _llseek()
-On 32-bit architectures,
-this is the system call that is used (by the C library wrapper functions)
-to implement all of the above functions.
-The prototype is:
-.P
-.in +4n
-.EX
-.BI "int _llseek(int " fd ", off_t " offset_hi ", off_t " offset_lo ,
-.BI "            loff_t *" result ", int " whence );
-.EE
-.in
-.P
-For more details, see
-.BR llseek (2).
-.P
-64-bit systems don't need an
-.BR _llseek ()
-system call.
-Instead, they have an
-.BR lseek (2)
-system call that supports 64-bit file offsets.
-.\" In arch/x86/entry/syscalls/syscall_32.tbl,
-.\" we see the following line:
-.\"
-.\"    140     i386    _llseek                 sys_llseek
-.\"
-.\" This is essentially telling us that 'sys_llseek' (the name generated
-.\" by SYSCALL_DEFINE5(llseek...)) is exposed to user-space as system call
-.\" number 140, and that system call number will (IIUC) be exposed in
-.\" autogenerated headers with the name "__NR__llseek" (i.e., "_llseek").
-.\" The "i386" is telling us that this happens in i386 (32-bit Intel).
-.\" There is nothing equivalent on x86-64, because 64 bit systems don't
-.\" need an _llseek system call.
-.SH ATTRIBUTES
-For an explanation of the terms used in this section, see
-.BR attributes (7).
-.TS
-allbox;
-lbx lb lb
-l l l.
-Interface	Attribute	Value
-T{
-.na
-.nh
-.BR lseek64 ()
-T}	Thread safety	MT-Safe
-.TE
-.SH NOTES
-.BR lseek64 ()
-is one of the functions that was specified in the Large File Summit (LFS)
-specification that was completed in 1996.
-The purpose of the specification was to provide transitional support
-that allowed applications on 32-bit systems to access
-files whose size exceeds that which can be represented with a 32-bit
-.I off_t
-type.
-As noted above, this symbol is exposed by header files if the
-.B _LARGEFILE64_SOURCE
-feature test macro is defined.
-ALternatively, on a 32-bit system, the symbol
-.I lseek
-is aliased to
-.I lseek64
-if the macro
-.B _FILE_OFFSET_BITS
-is defined with the value 64.
-.SH SEE ALSO
-.BR llseek (2),
-.BR lseek (2)