root/user/include/sys/stat.h

INCLUDED FROM

   1 /*
   2  * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
   3  *      The President and Fellows of Harvard College.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  30 #ifndef _SYS_STAT_H_
  31 #define _SYS_STAT_H_
  33 /*
  34  * Get struct stat and all the #defines from the kernel
  35  */
  36 #include <kern/stat.h>
  37 #include <kern/stattypes.h>
  39 /*
  40  * Test macros for object types.
  41  */
  42 #define S_ISDIR(mode) ((mode & _S_IFMT) == _S_IFDIR)
  43 #define S_ISREG(mode) ((mode & _S_IFMT) == _S_IFREG)
  44 #define S_ISDIR(mode) ((mode & _S_IFMT) == _S_IFDIR)
  45 #define S_ISLNK(mode) ((mode & _S_IFMT) == _S_IFLNK)
  46 #define S_ISIFO(mode) ((mode & _S_IFMT) == _S_IFIFO)
  47 #define S_ISSOCK(mode) ((mode & _S_IFMT) ==_S_IFSOCK)
  48 #define S_ISCHR(mode) ((mode & _S_IFMT) == _S_IFCHR)
  49 #define S_ISBLK(mode) ((mode & _S_IFMT) == _S_IFBLK)
  51 /*
  52  * Provide non-underscore names. These are not actually standard; for
  53  * some reason only the test macros are.
  54  */
  55 #define S_IFMT   _S_IFMT
  56 #define S_IFREG  _S_IFREG
  57 #define S_IFDIR  _S_IFDIR
  58 #define S_IFLNK  _S_IFLNK
  59 #define S_IFIFO  _S_IFIFO
  60 #define S_IFSOCK _S_IFSOCK
  61 #define S_IFCHR  _S_IFCHR
  62 #define S_IFBLK  _S_IFBLK
  64 /*
  65  * stat is the same as fstat, only on a file that isn't already
  66  * open. lstat is the same as stat, only if the name passed names a
  67  * symlink, information about the symlink is returned rather than
  68  * information about the file it points to. You don't need to
  69  * implement lstat unless you're implementing symbolic links.
  70  */
  71 int fstat(int filehandle, struct stat *buf);
  72 int stat(const char *path, struct stat *buf);
  73 int lstat(const char *path, struct stat *buf);
  75 /* 
  76  * The second argument to mkdir is the mode for the new directory.
  77  * Unless you're implementing security and permissions, you can
  78  * (and should) ignore it. See notes in unistd.h.
  79  */
  80 int mkdir(const char *dirname, int ignore);
  83 #endif /* _SYS_STAT_H_ */