libc/sysdeps/linux/mips/bits/stat.h

   1 /* Copyright (C) 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004,
   2         2007, 2009 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _SYS_STAT_H
  20 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
  21 #endif
  22
  23 #include <sgidefs.h>
  24
  25 /* Versions of the `struct stat' data structure.  */
  26 #define _STAT_VER_LINUX_OLD     1
  27 #define _STAT_VER_KERNEL        1
  28 #define _STAT_VER_SVR4          2
  29 #define _STAT_VER_LINUX         3
  30 #define _STAT_VER               _STAT_VER_LINUX /* The one defined below.  */
  31
  32 /* Versions of the `xmknod' interface.  */
  33 #define _MKNOD_VER_LINUX        1
  34 #define _MKNOD_VER_SVR4         2
  35 #define _MKNOD_VER              _MKNOD_VER_LINUX /* The bits defined below.  */
  36
  37
  38 #if _MIPS_SIM == _ABIO32
  39 /* Structure describing file characteristics.  */
  40 struct stat
  41   {
  42         __dev_t st_dev;
  43     long int st_pad1[2];
  44 #ifndef __USE_FILE_OFFSET64
  45     __ino_t st_ino;             /* File serial number.          */
  46 #else
  47     __ino64_t st_ino;           /* File serial number.          */
  48 #endif
  49     __mode_t st_mode;           /* File mode.  */
  50     __nlink_t st_nlink;         /* Link count.  */
  51     __uid_t st_uid;             /* User ID of the file's owner. */
  52     __gid_t st_gid;             /* Group ID of the file's group.*/
  53     __dev_t st_rdev;    /* Device number, if device.  */
  54 #ifndef __USE_FILE_OFFSET64
  55     long int st_pad2[1];
  56     __off_t st_size;            /* Size of file, in bytes.  */
  57     /* SVR4 added this extra long to allow for expansion of off_t.  */
  58     long int st_pad3;
  59 #else
  60     long int st_pad2[2];
  61     __off64_t st_size;          /* Size of file, in bytes.  */
  62 #endif
  63 #ifdef __USE_MISC
  64     /* Nanosecond resolution timestamps are stored in a format
  65        equivalent to 'struct timespec'.  This is the type used
  66        whenever possible but the Unix namespace rules do not allow the
  67        identifier 'timespec' to appear in the <sys/stat.h> header.
  68        Therefore we have to handle the use of this header in strictly
  69        standard-compliant sources special.  */
  70     struct timespec st_atim;            /* Time of last access.  */
  71     struct timespec st_mtim;            /* Time of last modification.  */
  72     struct timespec st_ctim;            /* Time of last status change.  */
  73 # define st_atime st_atim.tv_sec        /* Backward compatibility.  */
  74 # define st_mtime st_mtim.tv_sec
  75 # define st_ctime st_ctim.tv_sec
  76 #else
  77     __time_t st_atime;          /* Time of last access.  */
  78     unsigned long int st_atimensec;     /* Nscecs of last access.  */
  79     __time_t st_mtime;          /* Time of last modification.  */
  80     unsigned long int st_mtimensec;     /* Nsecs of last modification.  */
  81     __time_t st_ctime;          /* Time of last status change.  */
  82     unsigned long int st_ctimensec;     /* Nsecs of last status change.  */
  83 #endif
  84     __blksize_t st_blksize;     /* Optimal block size for I/O.  */
  85 #ifndef __USE_FILE_OFFSET64
  86     __blkcnt_t st_blocks;       /* Number of 512-byte blocks allocated.  */
  87 #else
  88     long int st_pad4;
  89     __blkcnt64_t st_blocks;     /* Number of 512-byte blocks allocated.  */
  90 #endif
  91     long int st_pad5[14];
  92   };
  93 #else /* N32 || N64 */
  94 /* The memory layout is the same as of struct stat64 of the 32-bit kernel.  */
  95 struct stat {
  96     unsigned int st_dev;
  97     int st_pad1[3];
  98     __ino_t st_ino;             /* File serial number.          */
  99     __mode_t st_mode;           /* File mode.  */
 100     __nlink_t st_nlink;         /* Link count.  */
 101     __uid_t st_uid;             /* User ID of the file's owner. */
 102     __gid_t st_gid;             /* Group ID of the file's group.*/
 103     unsigned int st_rdev;       /* Device number, if device.  */
 104     int st_pad2[3];
 105     __off_t st_size;            /* Size of file, in bytes.  */
 106 #ifdef __USE_MISC
 107     /* Nanosecond resolution timestamps are stored in a format
 108        equivalent to 'struct timespec'.  This is the type used
 109        whenever possible but the Unix namespace rules do not allow the
 110        identifier 'timespec' to appear in the <sys/stat.h> header.
 111        Therefore we have to handle the use of this header in strictly
 112        standard-compliant sources special.  */
 113     struct timespec st_atim;            /* Time of last access.  */
 114     struct timespec st_mtim;            /* Time of last modification.  */
 115     struct timespec st_ctim;            /* Time of last status change.  */
 116 # define st_atime st_atim.tv_sec        /* Backward compatibility.  */
 117 # define st_mtime st_mtim.tv_sec
 118 # define st_ctime st_ctim.tv_sec
 119 #else
 120     int st_atime;
 121     int st_atimensec;
 122     int st_mtime;
 123     int st_mtimensec;
 124     int st_ctime;
 125     int st_ctimensec;
 126 #endif
 127     int st_blksize;     /* Optimal block size for I/O.  */
 128     int st_pad3;
 129     __blkcnt_t st_blocks;       /* Number of 512-byte blocks allocated.  */
 130     int st_pad4[14];
 131 };
 132 #endif /* N32 || N64 */
 133
 134 #ifdef __USE_LARGEFILE64
 135 #if _MIPS_SIM == _ABIO32
 136 struct stat64
 137   {
 138     __dev_t st_dev;
 139     long int st_pad1[2];
 140     __ino64_t st_ino;           /* File serial number.          */
 141     __mode_t st_mode;           /* File mode.  */
 142     __nlink_t st_nlink;         /* Link count.  */
 143     __uid_t st_uid;             /* User ID of the file's owner. */
 144     __gid_t st_gid;             /* Group ID of the file's group.*/
 145     __dev_t st_rdev;    /* Device number, if device.  */
 146     long int st_pad2[2];
 147     __off64_t st_size;          /* Size of file, in bytes.  */
 148 #ifdef __USE_MISC
 149     /* Nanosecond resolution timestamps are stored in a format
 150        equivalent to 'struct timespec'.  This is the type used
 151        whenever possible but the Unix namespace rules do not allow the
 152        identifier 'timespec' to appear in the <sys/stat.h> header.
 153        Therefore we have to handle the use of this header in strictly
 154        standard-compliant sources special.  */
 155     struct timespec st_atim;            /* Time of last access.  */
 156     struct timespec st_mtim;            /* Time of last modification.  */
 157     struct timespec st_ctim;            /* Time of last status change.  */
 158 # define st_atime st_atim.tv_sec        /* Backward compatibility.  */
 159 # define st_mtime st_mtim.tv_sec
 160 # define st_ctime st_ctim.tv_sec
 161 #else
 162     __time_t st_atime;          /* Time of last access.  */
 163     unsigned long int st_atimensec;     /* Nscecs of last access.  */
 164     __time_t st_mtime;          /* Time of last modification.  */
 165     unsigned long int st_mtimensec;     /* Nsecs of last modification.  */
 166     __time_t st_ctime;          /* Time of last status change.  */
 167     unsigned long int st_ctimensec;     /* Nsecs of last status change.  */
 168 #endif
 169     __blksize_t st_blksize;     /* Optimal block size for I/O.  */
 170     long int st_pad3;
 171     __blkcnt64_t st_blocks;     /* Number of 512-byte blocks allocated.  */
 172     long int st_pad4[14];
 173   };
 174 #else   /* N32 || N64 */
 175 /* stat64 of N32/N64 is just an alias of stat syscall. */
 176 struct stat64 {
 177     unsigned int st_dev;
 178     int st_pad1[3];
 179     __ino_t st_ino;             /* File serial number.          */
 180     __mode_t st_mode;           /* File mode.  */
 181     __nlink_t st_nlink;         /* Link count.  */
 182     __uid_t st_uid;             /* User ID of the file's owner. */
 183     __gid_t st_gid;             /* Group ID of the file's group.*/
 184     unsigned int st_rdev;       /* Device number, if device.  */
 185     int st_pad2[3];
 186     __off_t st_size;            /* Size of file, in bytes.  */
 187 #ifdef __USE_MISC
 188     /* Nanosecond resolution timestamps are stored in a format
 189        equivalent to 'struct timespec'.  This is the type used
 190        whenever possible but the Unix namespace rules do not allow the
 191        identifier 'timespec' to appear in the <sys/stat.h> header.
 192        Therefore we have to handle the use of this header in strictly
 193        standard-compliant sources special.  */
 194     struct timespec st_atim;            /* Time of last access.  */
 195     struct timespec st_mtim;            /* Time of last modification.  */
 196     struct timespec st_ctim;            /* Time of last status change.  */
 197 # define st_atime st_atim.tv_sec        /* Backward compatibility.  */
 198 # define st_mtime st_mtim.tv_sec
 199 # define st_ctime st_ctim.tv_sec
 200 #else
 201     int st_atime;
 202     int st_atimensec;
 203     int st_mtime;
 204     int st_mtimensec;
 205     int st_ctime;
 206     int st_ctimensec;
 207 #endif
 208     int st_blksize;     /* Optimal block size for I/O.  */
 209     int st_pad3;
 210     __blkcnt_t st_blocks;       /* Number of 512-byte blocks allocated.  */
 211     int st_pad4[14];
 212 };
 213 #endif  /* N32 || N64 */
 214 #endif
 215
 216 /* Tell code we have these members.  */
 217 #define _STATBUF_ST_BLKSIZE
 218 #define _STATBUF_ST_RDEV
 219 /* Nanosecond resolution time values are supported.  */
 220 #define _STATBUF_ST_NSEC
 221
 222 /* Encoding of the file mode.  */
 223
 224 #define __S_IFMT        0170000 /* These bits determine file type.  */
 225
 226 /* File types.  */
 227 #define __S_IFDIR       0040000 /* Directory.  */
 228 #define __S_IFCHR       0020000 /* Character device.  */
 229 #define __S_IFBLK       0060000 /* Block device.  */
 230 #define __S_IFREG       0100000 /* Regular file.  */
 231 #define __S_IFIFO       0010000 /* FIFO.  */
 232 #define __S_IFLNK       0120000 /* Symbolic link.  */
 233 #define __S_IFSOCK      0140000 /* Socket.  */
 234
 235 /* POSIX.1b objects.  Note that these macros always evaluate to zero.  But
 236    they do it by enforcing the correct use of the macros.  */
 237 #define __S_TYPEISMQ(buf)  ((buf)->st_mode - (buf)->st_mode)
 238 #define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
 239 #define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
 240
 241 /* Protection bits.  */
 242
 243 #define __S_ISUID       04000   /* Set user ID on execution.  */
 244 #define __S_ISGID       02000   /* Set group ID on execution.  */
 245 #define __S_ISVTX       01000   /* Save swapped text after use (sticky).  */
 246 #define __S_IREAD       0400    /* Read by owner.  */
 247 #define __S_IWRITE      0200    /* Write by owner.  */
 248 #define __S_IEXEC       0100    /* Execute by owner.  */
 249
 250 #ifdef __USE_ATFILE
 251 # define UTIME_NOW      ((1l << 30) - 1l)
 252 # define UTIME_OMIT     ((1l << 30) - 2l)
 253 #endif