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/* Linux lseek implementation, 64 bits off_t.
Copyright (C) 2016-2023 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<https://www.gnu.org/licenses/>. */
#include <unistd.h>
#include <stdint.h>
#include <sys/types.h>
#include <sysdep.h>
#include <errno.h>
#include <shlib-compat.h>
off64_t
__lseek64 (int fd, off64_t offset, int whence)
{
#ifdef __NR_llseek
# define __NR__llseek __NR_llseek
#endif
#ifdef __NR__llseek
loff_t res;
int rc = INLINE_SYSCALL_CALL (_llseek, fd,
(long) (((uint64_t) (offset)) >> 32),
(long) offset, &res, whence);
return rc ?: res;
#else
return INLINE_SYSCALL_CALL (lseek, fd, offset, whence);
#endif
}
#ifdef __OFF_T_MATCHES_OFF64_T
weak_alias (__lseek64, lseek)
weak_alias (__lseek64, __lseek)
strong_alias (__lseek64, __libc_lseek)
libc_hidden_def (__lseek)
#endif
strong_alias (__lseek64, __libc_lseek64)
weak_alias (__lseek64, lseek64)
#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_28)
compat_symbol (libc, __lseek64, llseek, GLIBC_2_0);
#endif
#if !IS_IN(rtld) && OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_1, GLIBC_2_2)
compat_symbol (libc, __lseek64, lseek64, GLIBC_2_2);
#endif
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