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glibc  2.9
fxstat.c
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00001 /* fxstat using old-style Unix fstat system call.
00002    Copyright (C) 1991,1995,1996,1997,2000,2002 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <errno.h>
00021 #include <stddef.h>
00022 #include <sys/stat.h>
00023 #include <bp-checks.h>
00024 
00025 extern int __syscall_fstat (int, struct stat *__unbounded);
00026 
00027 /* Get information about the file descriptor FD in BUF.  */
00028 int
00029 __fxstat (int vers, int fd, struct stat *buf)
00030 {
00031   if (vers != _STAT_VER)
00032     {
00033       __set_errno (EINVAL);
00034       return -1;
00035     }
00036 
00037   return __syscall_fstat (fd, CHECK_1 (buf));
00038 }
00039 hidden_def (__fxstat)
00040 weak_alias (__fxstat, _fxstat)