stat.h 5.0 KB

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  1. /* Copyright (C) 1992,95,96,97,98,99,2000,2001 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library; if not, write to the Free
  13. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  14. 02111-1307 USA. */
  15. #ifndef _SYS_STAT_H
  16. # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
  17. #endif
  18. /* Versions of the `struct stat' data structure. */
  19. #define _STAT_VER_LINUX_OLD 1
  20. #define _STAT_VER_KERNEL 1
  21. #define _STAT_VER_SVR4 2
  22. #define _STAT_VER_LINUX 3
  23. #define _STAT_VER _STAT_VER_LINUX /* The one defined below. */
  24. /* Versions of the `xmknod' interface. */
  25. #define _MKNOD_VER_LINUX 1
  26. #define _MKNOD_VER_SVR4 2
  27. #define _MKNOD_VER _MKNOD_VER_LINUX /* The bits defined below. */
  28. /* Structure describing file characteristics. */
  29. struct stat
  30. {
  31. unsigned long int st_dev;
  32. long int st_pad1[3];
  33. #ifndef __USE_FILE_OFFSET64
  34. __ino_t st_ino; /* File serial number. */
  35. #else
  36. __ino64_t st_ino; /* 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. unsigned long int st_rdev; /* Device number, if device. */
  43. #ifndef __USE_FILE_OFFSET64
  44. long int st_pad2[2];
  45. __off_t st_size; /* Size of file, in bytes. */
  46. /* SVR4 added this extra long to allow for expansion of off_t. */
  47. long int st_pad3;
  48. #else
  49. long int st_pad2[3];
  50. __off64_t st_size; /* Size of file, in bytes. */
  51. #endif
  52. /*
  53. * Actually this should be timestruc_t st_atime, st_mtime and
  54. * st_ctime but we don't have it under Linux.
  55. */
  56. __time_t st_atime; /* Time of last access. */
  57. long int __reserved0;
  58. __time_t st_mtime; /* Time of last modification. */
  59. long int __reserved1;
  60. __time_t st_ctime; /* Time of last status change. */
  61. long int __reserved2;
  62. __blksize_t st_blksize; /* Optimal block size for I/O. */
  63. #ifndef __USE_FILE_OFFSET64
  64. __blkcnt_t st_blocks; /* Number of 512-byte blocks allocated. */
  65. #else
  66. long int st_pad4;
  67. __blkcnt64_t st_blocks; /* Number of 512-byte blocks allocated. */
  68. #endif
  69. long int st_pad5[14];
  70. };
  71. #ifdef __USE_LARGEFILE64
  72. struct stat64
  73. {
  74. unsigned long int st_dev;
  75. long int st_pad1[3];
  76. __ino64_t st_ino; /* File serial number. */
  77. __mode_t st_mode; /* File mode. */
  78. __nlink_t st_nlink; /* Link count. */
  79. __uid_t st_uid; /* User ID of the file's owner. */
  80. __gid_t st_gid; /* Group ID of the file's group.*/
  81. unsigned long int st_rdev; /* Device number, if device. */
  82. long int st_pad2[3];
  83. __off64_t st_size; /* Size of file, in bytes. */
  84. /*
  85. * Actually this should be timestruc_t st_atime, st_mtime and
  86. * st_ctime but we don't have it under Linux.
  87. */
  88. __time_t st_atime; /* Time of last access. */
  89. long int __reserved0;
  90. __time_t st_mtime; /* Time of last modification. */
  91. long int __reserved1;
  92. __time_t st_ctime; /* Time of last status change. */
  93. long int __reserved2;
  94. __blksize_t st_blksize; /* Optimal block size for I/O. */
  95. long int st_pad3;
  96. __blkcnt64_t st_blocks; /* Number of 512-byte blocks allocated. */
  97. long int st_pad4[14];
  98. };
  99. #endif
  100. /* Tell code we have these members. */
  101. #define _STATBUF_ST_BLKSIZE
  102. #define _STATBUF_ST_RDEV
  103. /* Encoding of the file mode. */
  104. #define __S_IFMT 0170000 /* These bits determine file type. */
  105. /* File types. */
  106. #define __S_IFDIR 0040000 /* Directory. */
  107. #define __S_IFCHR 0020000 /* Character device. */
  108. #define __S_IFBLK 0060000 /* Block device. */
  109. #define __S_IFREG 0100000 /* Regular file. */
  110. #define __S_IFIFO 0010000 /* FIFO. */
  111. #define __S_IFLNK 0120000 /* Symbolic link. */
  112. #define __S_IFSOCK 0140000 /* Socket. */
  113. /* POSIX.1b objects. Note that these macros always evaluate to zero. But
  114. they do it by enforcing the correct use of the macros. */
  115. #define __S_TYPEISMQ(buf) ((buf)->st_mode - (buf)->st_mode)
  116. #define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
  117. #define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
  118. /* Protection bits. */
  119. #define __S_ISUID 04000 /* Set user ID on execution. */
  120. #define __S_ISGID 02000 /* Set group ID on execution. */
  121. #define __S_ISVTX 01000 /* Save swapped text after use (sticky). */
  122. #define __S_IREAD 0400 /* Read by owner. */
  123. #define __S_IWRITE 0200 /* Write by owner. */
  124. #define __S_IEXEC 0100 /* Execute by owner. */