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glibc  2.9
mkdirat.c
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00001 /* Copyright (C) 1991, 1995, 1996, 1997, 2005 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #include <errno.h>
00020 #include <fcntl.h>
00021 #include <stddef.h>
00022 #include <sys/stat.h>
00023 #include <sys/types.h>
00024 
00025 
00026 /* Create a directory named PATH relative to FD with protections MODE.  */
00027 int
00028 mkdirat (fd, path, mode)
00029      int fd;
00030      const char *path;
00031      mode_t mode;
00032 {
00033   if (path == NULL)
00034     {
00035       __set_errno (EINVAL);
00036       return -1;
00037     }
00038 
00039   if (fd != AT_FDCWD && path[0] != '/')
00040     {
00041       /* Check FD is associated with a directory.  */
00042       struct stat64 st;
00043       if (__fxstat64 (_STAT_VER, fd, &st) != 0)
00044        return -1;
00045 
00046       if (!S_ISDIR (st.st_mode))
00047        {
00048          __set_errno (ENOTDIR);
00049          return -1;
00050        }
00051     }
00052 
00053   __set_errno (ENOSYS);
00054   return -1;
00055 }
00056 stub_warning (mkdirat)
00057 
00058 #include <stub-tag.h>