code.delx.au - gnu-emacs/blob - 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) 2008-2016 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 (at
  11 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 /* This prevents definition in MinGW's wchar.h of inline functions
 145    that use struct _stat64i32 etc., which we don't define and don't
 146    support in our implementation of 'stat' and 'fstat'.  If we don't
 147    prevent definition of those inline functions, any program (e.g.,
 148    test programs run by configure) that includes both wchar.h and
 149    sys/stat.h will fail to compile.  */
 150 #define _WSTAT_DEFINED
 151
 152 int __cdecl __MINGW_NOTHROW     fstat (int, struct stat*);
 153 int __cdecl __MINGW_NOTHROW     stat (const char*, struct stat*);
 154 int __cdecl __MINGW_NOTHROW     lstat (const char*, struct stat*);
 155 int __cdecl __MINGW_NOTHROW     fstatat (int, char const *,
 156                                                  struct stat *, int);
 157 int __cdecl __MINGW_NOTHROW     chmod (const char*, int);
 158
 159 #endif  /* INC_SYS_STAT_H_ */