/* * 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 <features.h> #include <unistd.h> #include <sys/stat.h> #include <sys/syscall.h> #include "xstatconv.h" #if defined __NR_fstat64 && !defined __NR_fstat int fstat(int fd, struct stat *buf) { return INLINE_SYSCALL(fstat64, 2, fd, buf); } libc_hidden_def(fstat) #elif __WORDSIZE == 64 && defined __NR_newfstatat && !defined __ARCH_HAS_DEPRECATED_SYSCALLS__ #include <fcntl.h> int fstat(int fd, struct stat *buf) { return INLINE_SYSCALL(fstat, 2, fd, buf); } libc_hidden_def(fstat) #elif __NR_statx && defined __UCLIBC_HAVE_STATX__ # include <fcntl.h> # include <statx_cp.h> int fstat(int fd, struct stat *buf) { struct statx tmp; int rc = INLINE_SYSCALL (statx, 5, fd, "", AT_EMPTY_PATH, STATX_BASIC_STATS, &tmp); if (rc == 0) __cp_stat_statx ((struct stat *)buf, &tmp); } 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) #endif # if ! defined __NR_fstat64 && ! defined __UCLIBC_HAVE_STATX__ strong_alias_untyped(fstat,fstat64) libc_hidden_def(fstat64) #endif