/* vi: set sw=4 ts=4: */ /* * llseek/lseek64 syscall for uClibc * * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> * * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ #define _GNU_SOURCE #define _LARGEFILE64_SOURCE #include <features.h> #undef __OPTIMIZE__ /* We absolutely do _NOT_ want interfaces silently * renamed under us or very bad things will happen... */ #ifdef __USE_FILE_OFFSET64 # undef __USE_FILE_OFFSET64 #endif #include <errno.h> #include <unistd.h> #include <sys/types.h> #include <sys/syscall.h> #if defined __NR__llseek && defined __UCLIBC_HAS_LFS__ # ifndef INLINE_SYSCALL # define INLINE_SYSCALL(name, nr, args...) __syscall_llseek (args) # define __NR___syscall_llseek __NR__llseek static inline _syscall5(int, __syscall_llseek, int, fd, off_t, offset_hi, off_t, offset_lo, loff_t *, result, int, whence); # endif loff_t __libc_lseek64(int fd, loff_t offset, int whence) { loff_t result; return(loff_t)(INLINE_SYSCALL (_llseek, 5, fd, (off_t) (offset >> 32), (off_t) (offset & 0xffffffff), &result, whence) ?: result); } #else extern __typeof(lseek) __libc_lseek; libc_hidden_proto(__libc_lseek) loff_t __libc_lseek64(int fd, loff_t offset, int whence) { return(loff_t)(__libc_lseek(fd, (off_t) (offset), whence)); } #endif libc_hidden_proto(lseek64) strong_alias(__libc_lseek64,lseek64) libc_hidden_def(lseek64) //strong_alias(__libc_lseek64,_llseek)