stat.h 4.8 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. #ifndef _BITS_STAT_H
  19. #define _BITS_STAT_H
  20. /* Versions of the `struct stat' data structure. */
  21. #define _STAT_VER_LINUX_OLD 1
  22. #define _STAT_VER_KERNEL 1
  23. #define _STAT_VER_SVR4 2
  24. #define _STAT_VER_LINUX 3
  25. #define _STAT_VER _STAT_VER_LINUX /* The one defined below. */
  26. /* Versions of the `xmknod' interface. */
  27. #define _MKNOD_VER_LINUX 1
  28. #define _MKNOD_VER_SVR4 2
  29. #define _MKNOD_VER _MKNOD_VER_LINUX /* The bits defined below. */
  30. struct stat
  31. {
  32. __dev_t st_dev; /* Device. */
  33. unsigned short int __pad1;
  34. #ifndef __USE_FILE_OFFSET64
  35. __ino_t st_ino; /* File serial number. */
  36. #else
  37. __ino_t __st_ino; /* 32bit file serial number. */
  38. #endif
  39. __mode_t st_mode; /* File mode. */
  40. __nlink_t st_nlink; /* Link count. */
  41. __uid_t st_uid; /* User ID of the file's owner. */
  42. __gid_t st_gid; /* Group ID of the file's group.*/
  43. __dev_t st_rdev; /* Device number, if device. */
  44. unsigned short int __pad2;
  45. #ifndef __USE_FILE_OFFSET64
  46. __off_t st_size; /* Size of file, in bytes. */
  47. #else
  48. __off64_t st_size; /* Size of file, in bytes. */
  49. #endif
  50. __blksize_t st_blksize; /* Optimal block size for I/O. */
  51. #ifndef __USE_FILE_OFFSET64
  52. __blkcnt_t st_blocks; /* Number 512-byte blocks allocated. */
  53. #else
  54. __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */
  55. #endif
  56. __time_t st_atime; /* Time of last access. */
  57. unsigned long int __unused1;
  58. __time_t st_mtime; /* Time of last modification. */
  59. unsigned long int __unused2;
  60. __time_t st_ctime; /* Time of last status change. */
  61. unsigned long int __unused3;
  62. #ifndef __USE_FILE_OFFSET64
  63. unsigned long int __unused4;
  64. unsigned long int __unused5;
  65. #else
  66. __ino64_t st_ino; /* File serial number. */
  67. #endif
  68. };
  69. #ifdef __USE_LARGEFILE64
  70. struct stat64
  71. {
  72. __dev_t st_dev; /* Device. */
  73. unsigned int __pad1;
  74. __ino_t __st_ino; /* 32bit file serial number. */
  75. __mode_t st_mode; /* File mode. */
  76. __nlink_t st_nlink; /* Link count. */
  77. __uid_t st_uid; /* User ID of the file's owner. */
  78. __gid_t st_gid; /* Group ID of the file's group.*/
  79. __dev_t st_rdev; /* Device number, if device. */
  80. unsigned int __pad2;
  81. __off64_t st_size; /* Size of file, in bytes. */
  82. __blksize_t st_blksize; /* Optimal block size for I/O. */
  83. __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */
  84. __time_t st_atime; /* Time of last access. */
  85. unsigned long int __unused1;
  86. __time_t st_mtime; /* Time of last modification. */
  87. unsigned long int __unused2;
  88. __time_t st_ctime; /* Time of last status change. */
  89. unsigned long int __unused3;
  90. __ino64_t st_ino; /* File serial number. */
  91. };
  92. #endif
  93. /* Tell code we have these members. */
  94. #define _STATBUF_ST_BLKSIZE
  95. #define _STATBUF_ST_RDEV
  96. /* Encoding of the file mode. */
  97. #define __S_IFMT 0170000 /* These bits determine file type. */
  98. /* File types. */
  99. #define __S_IFDIR 0040000 /* Directory. */
  100. #define __S_IFCHR 0020000 /* Character device. */
  101. #define __S_IFBLK 0060000 /* Block device. */
  102. #define __S_IFREG 0100000 /* Regular file. */
  103. #define __S_IFIFO 0010000 /* FIFO. */
  104. #define __S_IFLNK 0120000 /* Symbolic link. */
  105. #define __S_IFSOCK 0140000 /* Socket. */
  106. /* POSIX.1b objects. Note that these macros always evaluate to zero. But
  107. they do it by enforcing the correct use of the macros. */
  108. #define __S_TYPEISMQ(buf) ((buf)->st_mode - (buf)->st_mode)
  109. #define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
  110. #define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
  111. /* Protection bits. */
  112. #define __S_ISUID 04000 /* Set user ID on execution. */
  113. #define __S_ISGID 02000 /* Set group ID on execution. */
  114. #define __S_ISVTX 01000 /* Save swapped text after use (sticky). */
  115. #define __S_IREAD 0400 /* Read by owner. */
  116. #define __S_IWRITE 0200 /* Write by owner. */
  117. #define __S_IEXEC 0100 /* Execute by owner. */
  118. #endif /* _BITS_STAT_H */