stat.h 5.1 KB

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  1. /* Copyright (C) 1992,95,96,97,98,99,2000,2001,2002
  2. Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, write to the Free
  14. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  15. 02111-1307 USA. */
  16. #ifndef _SYS_STAT_H
  17. # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
  18. #endif
  19. /* Versions of the `struct stat' data structure. */
  20. #define _STAT_VER_LINUX_OLD 1
  21. #define _STAT_VER_KERNEL 1
  22. #define _STAT_VER_SVR4 2
  23. #define _STAT_VER_LINUX 3
  24. #define _STAT_VER _STAT_VER_LINUX /* The one defined below. */
  25. /* Versions of the `xmknod' interface. */
  26. #define _MKNOD_VER_LINUX 1
  27. #define _MKNOD_VER_SVR4 2
  28. #define _MKNOD_VER _MKNOD_VER_LINUX /* The bits defined below. */
  29. struct stat
  30. {
  31. __dev_t st_dev; /* Device. */
  32. unsigned short int __pad1;
  33. #ifndef __USE_FILE_OFFSET64
  34. __ino_t st_ino; /* File serial number. */
  35. #else
  36. __ino_t __st_ino; /* 32bit file serial number. */
  37. #endif
  38. __mode_t st_mode; /* File mode. */
  39. __nlink_t st_nlink; /* Link count. */
  40. __uid_t st_uid; /* User ID of the file's owner. */
  41. __gid_t st_gid; /* Group ID of the file's group.*/
  42. __dev_t st_rdev; /* Device number, if device. */
  43. unsigned short int __pad2;
  44. #ifndef __USE_FILE_OFFSET64
  45. __off_t st_size; /* Size of file, in bytes. */
  46. #else
  47. __off64_t st_size; /* Size of file, in bytes. */
  48. #endif
  49. __blksize_t st_blksize; /* Optimal block size for I/O. */
  50. #ifndef __USE_FILE_OFFSET64
  51. __blkcnt_t st_blocks; /* Number 512-byte blocks allocated. */
  52. #else
  53. __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */
  54. #endif
  55. __time_t st_atime; /* Time of last access. */
  56. unsigned long int st_atimensec; /* Nscecs of last access. */
  57. __time_t st_mtime; /* Time of last modification. */
  58. unsigned long int st_mtimensec; /* Nsecs of last modification. */
  59. __time_t st_ctime; /* Time of last status change. */
  60. unsigned long int st_ctimensec; /* Nsecs of last status change. */
  61. #ifndef __USE_FILE_OFFSET64
  62. unsigned long int __unused4;
  63. unsigned long int __unused5;
  64. #else
  65. __ino64_t st_ino; /* File serial number. */
  66. #endif
  67. };
  68. #ifdef __USE_LARGEFILE64
  69. struct stat64
  70. {
  71. __dev_t st_dev; /* Device. */
  72. unsigned short int __pad1;
  73. __ino_t __st_ino; /* 32bit file serial number. */
  74. __mode_t st_mode; /* File mode. */
  75. __nlink_t st_nlink; /* Link count. */
  76. __uid_t st_uid; /* User ID of the file's owner. */
  77. __gid_t st_gid; /* Group ID of the file's group.*/
  78. __dev_t st_rdev; /* Device number, if device. */
  79. unsigned short int __pad2;
  80. __off64_t st_size; /* Size of file, in bytes. */
  81. __blksize_t st_blksize; /* Optimal block size for I/O. */
  82. __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */
  83. __time_t st_atime; /* Time of last access. */
  84. unsigned long int st_atimensec; /* Nscecs of last access. */
  85. __time_t st_mtime; /* Time of last modification. */
  86. unsigned long int st_mtimensec; /* Nsecs of last modification. */
  87. __time_t st_ctime; /* Time of last status change. */
  88. unsigned long int st_ctimensec; /* Nsecs of last status change. */
  89. __ino64_t st_ino; /* File serial number. */
  90. };
  91. #endif
  92. /* Tell code we have these members. */
  93. #define _STATBUF_ST_BLKSIZE
  94. #define _STATBUF_ST_RDEV
  95. /* Nanosecond resolution time values are supported. */
  96. #define _STATBUF_ST_NSEC
  97. /* Encoding of the file mode. */
  98. #define __S_IFMT 0170000 /* These bits determine file type. */
  99. /* File types. */
  100. #define __S_IFDIR 0040000 /* Directory. */
  101. #define __S_IFCHR 0020000 /* Character device. */
  102. #define __S_IFBLK 0060000 /* Block device. */
  103. #define __S_IFREG 0100000 /* Regular file. */
  104. #define __S_IFIFO 0010000 /* FIFO. */
  105. #define __S_IFLNK 0120000 /* Symbolic link. */
  106. #define __S_IFSOCK 0140000 /* Socket. */
  107. /* POSIX.1b objects. Note that these macros always evaluate to zero. But
  108. they do it by enforcing the correct use of the macros. */
  109. #define __S_TYPEISMQ(buf) ((buf)->st_mode - (buf)->st_mode)
  110. #define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
  111. #define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
  112. /* Protection bits. */
  113. #define __S_ISUID 04000 /* Set user ID on execution. */
  114. #define __S_ISGID 02000 /* Set group ID on execution. */
  115. #define __S_ISVTX 01000 /* Save swapped text after use (sticky). */
  116. #define __S_IREAD 0400 /* Read by owner. */
  117. #define __S_IWRITE 0200 /* Write by owner. */
  118. #define __S_IEXEC 0100 /* Execute by owner. */