/* fxstat using old-style Unix fstat system call. Copyright (C) 1991-2019 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 <http://www.gnu.org/licenses/>. */ /* Ho hum, if xstat == xstat64 we must get rid of the prototype or gcc will complain since they don't strictly match. */ #define __fxstat64 __fxstat64_disable #include <errno.h> #include <stddef.h> #include <sys/types.h> #include <sys/stat.h> #include <kernel_stat.h> #include <sysdep.h> #include <sys/syscall.h> #include <xstatconv.h> /* Get information about the file FD in BUF. */ int __fxstat (int vers, int fd, struct stat *buf) { if (vers == _STAT_VER_KERNEL) return INLINE_SYSCALL (fstat, 2, fd, buf); #ifdef STAT_IS_KERNEL_STAT return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); #else struct kernel_stat kbuf; int result; result = INLINE_SYSCALL (fstat, 2, fd, &kbuf); if (result == 0) result = __xstat_conv (vers, &kbuf, buf); return result; #endif } hidden_def (__fxstat) weak_alias (__fxstat, _fxstat); #if XSTAT_IS_XSTAT64 #undef __fxstat64 strong_alias (__fxstat, __fxstat64); hidden_ver (__fxstat, __fxstat64) #endif