/* vi: set sw=4 ts=4: */ /* * lseek() 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. */ #include <sys/syscall.h> #include <unistd.h> #ifdef __NR_lseek _syscall3(__off_t, lseek, int, fildes, __off_t, offset, int, whence) #elif defined __UCLIBC_HAS_LFS__ && defined __NR__llseek /* avoid circular dependency */ __off_t lseek(int fildes, __off_t offset, int whence) { return lseek64(fildes, offset, whence); } #else # include <errno.h> __off_t lseek(int fildes, __off_t offset attribute_unused, int whence) { if (fildes < 0) { __set_errno(EBADF); return -1; } switch(whence) { case SEEK_SET: case SEEK_CUR: case SEEK_END: break; default: __set_errno(EINVAL); return -1; } __set_errno(ENOSYS); return -1; } #endif #ifndef __LINUXTHREADS_OLD__ libc_hidden_def(lseek) #else libc_hidden_weak(lseek) strong_alias(lseek,__libc_lseek) #endif