nt/inc/sys/stat.h

   1 /* sys/stat.h supplied with MSVCRT uses too narrow data types for
   2    inode and user/group id, so we replace them with our own.
   3
   4 Copyright (C) 2008-2013 Free Software Foundation, Inc.
   5
   6 This file is part of GNU Emacs.
   7
   8 GNU Emacs is free software: you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation, either version 3 of the License, or
  11 (at your option) any later version.
  12
  13 GNU Emacs is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef INC_SYS_STAT_H_
  22 #define INC_SYS_STAT_H_
  23
  24 #ifdef __MINGW32__
  25 # include <_mingw.h>
  26 #endif
  27
  28 /* Only MinGW 3.13 and later has __MINGW_NOTHROW.  */
  29 #ifndef __MINGW_NOTHROW
  30 # define __MINGW_NOTHROW
  31 #endif
  32
  33 #include <sys/types.h>
  34 #include <time.h>
  35
  36 #define S_IFMT  0xF800
  37
  38 #define S_IFREG 0x8000
  39 #define S_IFDIR 0x4000
  40 #define S_IFBLK 0x3000
  41 #define S_IFCHR 0x2000
  42 #define S_IFIFO 0x1000
  43 #define S_IFLNK 0x0800
  44
  45 #define S_IREAD  0x0100
  46 #define S_IWRITE 0x0080
  47 #define S_IEXEC  0x0040
  48
  49 #define S_IRUSR S_IREAD
  50 #define S_IWUSR S_IWRITE
  51 #define S_IXUSR S_IEXEC
  52 #define S_IRWXU (S_IREAD | S_IWRITE | S_IEXEC)
  53
  54 #define S_ISREG(m)      (((m) & S_IFMT) == S_IFREG)
  55 #define S_ISDIR(m)      (((m) & S_IFMT) == S_IFDIR)
  56 #define S_ISBLK(m)      (((m) & S_IFMT) == S_IFBLK)
  57 #define S_ISCHR(m)      (((m) & S_IFMT) == S_IFCHR)
  58 #define S_ISFIFO(m)     (((m) & S_IFMT) == S_IFIFO)
  59 #define S_ISLNK(m)      (((m) & S_IFMT) == S_IFLNK)
  60
  61 /* These don't exist on Windows, but lib/filemode.c wants them.  */
  62 #define S_ISUID 0
  63 #define S_ISGID 0
  64 #define S_ISVTX 0
  65 #define S_IRGRP (S_IRUSR >> 3)
  66 #define S_IROTH (S_IRUSR >> 6)
  67 #define S_IWGRP (S_IWUSR >> 3)
  68 #define S_IWOTH (S_IWUSR >> 6)
  69 #define S_IXGRP (S_IXUSR >> 3)
  70 #define S_IXOTH (S_IXUSR >> 6)
  71
  72 #define S_ISSOCK(m)    0
  73 #define S_ISCTG(p)     0
  74 #define S_ISDOOR(m)    0
  75 #define S_ISMPB(m)     0
  76 #define S_ISMPC(m)     0
  77 #define S_ISMPX(m)     0
  78 #define S_ISNWK(m)     0
  79 #define S_ISPORT(m)    0
  80 #define S_ISWHT(m)     0
  81 #define S_TYPEISMQ(p)  0
  82 #define S_TYPEISSEM(p) 0
  83 #define S_TYPEISSHM(p) 0
  84 #define S_TYPEISTMO(p) 0
  85
  86 #define UTIME_NOW  (-1)
  87 #define UTIME_OMIT (-2)
  88
  89 struct stat {
  90   unsigned __int64 st_ino;      /* ino_t in sys/types.h is too narrow */
  91   dev_t st_dev;
  92   unsigned short   st_mode;
  93   short            st_nlink;
  94   unsigned         st_uid; /* Vista's TrustedInstaller has a very large RID */
  95   unsigned         st_gid;
  96   unsigned __int64 st_size;
  97   dev_t            st_rdev;
  98   time_t           st_atime;
  99   time_t           st_mtime;
 100   time_t           st_ctime;
 101   char             st_uname[260];
 102   char             st_gname[260];
 103 };
 104
 105 /* These are here to avoid compiler warnings when using wchar.h.  */
 106 struct _stat
 107 {
 108         _dev_t  st_dev;         /* Equivalent to drive number 0=A 1=B ... */
 109         _ino_t  st_ino;         /* Always zero ? */
 110         _mode_t st_mode;        /* See above constants */
 111         short   st_nlink;       /* Number of links. */
 112         short   st_uid;         /* User: Maybe significant on NT ? */
 113         short   st_gid;         /* Group: Ditto */
 114         _dev_t  st_rdev;        /* Seems useless (not even filled in) */
 115         _off_t  st_size;        /* File size in bytes */
 116         time_t  st_atime;       /* Accessed date (always 00:00 hrs local
 117                                  * on FAT) */
 118         time_t  st_mtime;       /* Modified time */
 119         time_t  st_ctime;       /* Creation time */
 120 };
 121
 122 #if defined (__MSVCRT__)
 123 struct _stati64 {
 124     _dev_t st_dev;
 125     _ino_t st_ino;
 126     _mode_t st_mode;
 127     short st_nlink;
 128     short st_uid;
 129     short st_gid;
 130     _dev_t st_rdev;
 131     __int64 st_size;
 132     time_t st_atime;
 133     time_t st_mtime;
 134     time_t st_ctime;
 135 };
 136 #endif
 137
 138 /* Internal variable for asking 'stat'/'lstat' to produce accurate
 139    info about owner and group of files. */
 140 extern int w32_stat_get_owner_group;
 141
 142 /* Prevent redefinition by other headers, e.g. wchar.h.  */
 143 #define _STAT_DEFINED
 144
 145 int __cdecl __MINGW_NOTHROW     fstat (int, struct stat*);
 146 int __cdecl __MINGW_NOTHROW     stat (const char*, struct stat*);
 147 int __cdecl __MINGW_NOTHROW     lstat (const char*, struct stat*);
 148 int __cdecl __MINGW_NOTHROW     fstatat (int, char const *,
 149                                                  struct stat *, int);
 150 int __cdecl __MINGW_NOTHROW     chmod (const char*, int);
 151
 152 #endif  /* INC_SYS_STAT_H_ */