platform_bionic/libc/include/sys/sendfile.h
Elliott Hughes a34817457f Improve the _FILE_OFFSET_BITS docs and link to them.
We're still seeing lots of confusion. People do seem to look as far as
the headers, but stop there. So let's try a bit harder to point them in
the right direction.

Also explicitly state that removing _FILE_OFFSET_BITS=64 is the
behavior-preserving fix for compilation problems when upgrading to NDK
r15 or later.

Bug: N/A
Test: N/A
Change-Id: I2d5c65b2fb5cccb9977901e51fea1ad2ccc0fd95
2017-11-28 15:47:01 -08:00

47 lines
1.9 KiB
C

/*
* Copyright (C) 2008 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _SYS_SENDFILE_H_
#define _SYS_SENDFILE_H_
#include <sys/cdefs.h>
#include <sys/types.h>
__BEGIN_DECLS
/* See https://android.googlesource.com/platform/bionic/+/master/docs/32-bit-abi.md */
#if defined(__USE_FILE_OFFSET64)
ssize_t sendfile(int __out_fd, int __in_fd, off_t* __offset, size_t __count) __RENAME(sendfile64) __INTRODUCED_IN(21);
#else
ssize_t sendfile(int __out_fd, int __in_fd, off_t* __offset, size_t __count);
#endif
ssize_t sendfile64(int __out_fd, int __in_fd, off64_t* __offset, size_t __count) __INTRODUCED_IN(21);
__END_DECLS
#endif