/* vi: set sw=4 ts=4: */ /* * fstat() 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> #include <sys/stat.h> #include "xstatconv.h" #if defined __NR_fstat64 && !defined __NR_fstat int fstat(int fd, struct stat *buf) { int result = INLINE_SYSCALL(fstat64, 2, fd, buf); if (result == 0) { /* Did we overflow? */ if (buf->__pad1 || buf->__pad2 || buf->__pad3 || buf->__pad4 || buf->__pad5 || buf->__pad6 || buf->__pad7) { __set_errno(EOVERFLOW); return -1; } } return result; } libc_hidden_def(fstat) #elif defined __NR_fstat int fstat(int fd, struct stat *buf) { int result; # ifdef __NR_fstat64 /* normal stat call has limited values for various stat elements * e.g. uid device major/minor etc. * so we use 64 variant if available * in order to get newer versions of stat elements */ struct kernel_stat64 kbuf; result = INLINE_SYSCALL(fstat64, 2, fd, &kbuf); if (result == 0) { __xstat32_conv(&kbuf, buf); } # else struct kernel_stat kbuf; result = INLINE_SYSCALL(fstat, 2, fd, &kbuf); if (result == 0) { __xstat_conv(&kbuf, buf); } # endif return result; } libc_hidden_def(fstat) # if ! defined __NR_fstat64 && defined __UCLIBC_HAS_LFS__ strong_alias_untyped(fstat,fstat64) libc_hidden_def(fstat64) # endif #endif