stat.h 7.2 KB

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  1. /* Copyright (C) 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004
  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. #include <sgidefs.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. #if _MIPS_SIM == _ABIO32
  31. /* Structure describing file characteristics. */
  32. struct stat
  33. {
  34. __dev_t st_dev;
  35. long int st_pad1[2];
  36. #ifndef __USE_FILE_OFFSET64
  37. __ino_t st_ino; /* File serial number. */
  38. #else
  39. __ino64_t st_ino; /* File serial number. */
  40. #endif
  41. __mode_t st_mode; /* File mode. */
  42. __nlink_t st_nlink; /* Link count. */
  43. __uid_t st_uid; /* User ID of the file's owner. */
  44. __gid_t st_gid; /* Group ID of the file's group.*/
  45. __dev_t st_rdev; /* Device number, if device. */
  46. #ifndef __USE_FILE_OFFSET64
  47. long int st_pad2[1];
  48. __off_t st_size; /* Size of file, in bytes. */
  49. /* SVR4 added this extra long to allow for expansion of off_t. */
  50. long int st_pad3;
  51. #else
  52. long int st_pad2[2];
  53. __off64_t st_size; /* Size of file, in bytes. */
  54. #endif
  55. /*
  56. * Actually this should be timestruc_t st_atime, st_mtime and
  57. * st_ctime but we don't have it under Linux.
  58. */
  59. __time_t st_atime; /* Time of last access. */
  60. unsigned long int st_atimensec; /* Nscecs of last access. */
  61. __time_t st_mtime; /* Time of last modification. */
  62. unsigned long int st_mtimensec; /* Nsecs of last modification. */
  63. __time_t st_ctime; /* Time of last status change. */
  64. unsigned long int st_ctimensec; /* Nsecs of last status change. */
  65. __blksize_t st_blksize; /* Optimal block size for I/O. */
  66. #ifndef __USE_FILE_OFFSET64
  67. __blkcnt_t st_blocks; /* Number of 512-byte blocks allocated. */
  68. #else
  69. long int st_pad4;
  70. __blkcnt64_t st_blocks; /* Number of 512-byte blocks allocated. */
  71. #endif
  72. long int st_pad5[14];
  73. };
  74. #else /* N32 || N64 */
  75. /* The memory layout is the same as of struct stat64 of the 32-bit kernel. */
  76. struct stat {
  77. unsigned int st_dev;
  78. int st_pad1[3];
  79. __ino_t st_ino; /* File serial number. */
  80. __mode_t st_mode; /* File mode. */
  81. __nlink_t st_nlink; /* Link count. */
  82. __uid_t st_uid; /* User ID of the file's owner. */
  83. __gid_t st_gid; /* Group ID of the file's group.*/
  84. unsigned int st_rdev; /* Device number, if device. */
  85. int st_pad2[3];
  86. __off_t st_size; /* Size of file, in bytes. */
  87. /*
  88. * Actually this should be timestruc_t st_atime, st_mtime and
  89. * st_ctime but we don't have it under Linux.
  90. */
  91. int st_atime;
  92. int st_atimensec;
  93. int st_mtime;
  94. int st_mtimensec;
  95. int st_ctime;
  96. int st_ctimensec;
  97. int st_blksize; /* Optimal block size for I/O. */
  98. int st_pad3;
  99. __blkcnt_t st_blocks; /* Number of 512-byte blocks allocated. */
  100. int st_pad4[14];
  101. };
  102. #endif /* N32 || N64 */
  103. #ifdef __USE_LARGEFILE64
  104. #if _MIPS_SIM == _ABIO32
  105. struct stat64
  106. {
  107. __dev_t st_dev;
  108. long int st_pad1[2];
  109. __ino64_t st_ino; /* File serial number. */
  110. __mode_t st_mode; /* File mode. */
  111. __nlink_t st_nlink; /* Link count. */
  112. __uid_t st_uid; /* User ID of the file's owner. */
  113. __gid_t st_gid; /* Group ID of the file's group.*/
  114. __dev_t st_rdev; /* Device number, if device. */
  115. long int st_pad2[2];
  116. __off64_t st_size; /* Size of file, in bytes. */
  117. /*
  118. * Actually this should be timestruc_t st_atime, st_mtime and
  119. * st_ctime but we don't have it under Linux.
  120. */
  121. __time_t st_atime; /* Time of last access. */
  122. unsigned long int st_atimensec; /* Nscecs of last access. */
  123. __time_t st_mtime; /* Time of last modification. */
  124. unsigned long int st_mtimensec; /* Nsecs of last modification. */
  125. __time_t st_ctime; /* Time of last status change. */
  126. unsigned long int st_ctimensec; /* Nsecs of last status change. */
  127. __blksize_t st_blksize; /* Optimal block size for I/O. */
  128. long int st_pad3;
  129. __blkcnt64_t st_blocks; /* Number of 512-byte blocks allocated. */
  130. long int st_pad4[14];
  131. };
  132. #else /* N32 || N64 */
  133. /* stat64 of N32/N64 is just an alias of stat syscall. */
  134. struct stat64 {
  135. unsigned int st_dev;
  136. int st_pad1[3];
  137. __ino_t st_ino; /* File serial number. */
  138. __mode_t st_mode; /* File mode. */
  139. __nlink_t st_nlink; /* Link count. */
  140. __uid_t st_uid; /* User ID of the file's owner. */
  141. __gid_t st_gid; /* Group ID of the file's group.*/
  142. unsigned int st_rdev; /* Device number, if device. */
  143. int st_pad2[3];
  144. __off_t st_size; /* Size of file, in bytes. */
  145. /*
  146. * Actually this should be timestruc_t st_atime, st_mtime and
  147. * st_ctime but we don't have it under Linux.
  148. */
  149. int st_atime;
  150. int st_atimensec;
  151. int st_mtime;
  152. int st_mtimensec;
  153. int st_ctime;
  154. int st_ctimensec;
  155. int st_blksize; /* Optimal block size for I/O. */
  156. int st_pad3;
  157. __blkcnt_t st_blocks; /* Number of 512-byte blocks allocated. */
  158. int st_pad4[14];
  159. };
  160. #endif /* N32 || N64 */
  161. #endif
  162. /* Tell code we have these members. */
  163. #define _STATBUF_ST_BLKSIZE
  164. #define _STATBUF_ST_RDEV
  165. /* Encoding of the file mode. */
  166. #define __S_IFMT 0170000 /* These bits determine file type. */
  167. /* File types. */
  168. #define __S_IFDIR 0040000 /* Directory. */
  169. #define __S_IFCHR 0020000 /* Character device. */
  170. #define __S_IFBLK 0060000 /* Block device. */
  171. #define __S_IFREG 0100000 /* Regular file. */
  172. #define __S_IFIFO 0010000 /* FIFO. */
  173. #define __S_IFLNK 0120000 /* Symbolic link. */
  174. #define __S_IFSOCK 0140000 /* Socket. */
  175. /* POSIX.1b objects. Note that these macros always evaluate to zero. But
  176. they do it by enforcing the correct use of the macros. */
  177. #define __S_TYPEISMQ(buf) ((buf)->st_mode - (buf)->st_mode)
  178. #define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
  179. #define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
  180. /* Protection bits. */
  181. #define __S_ISUID 04000 /* Set user ID on execution. */
  182. #define __S_ISGID 02000 /* Set group ID on execution. */
  183. #define __S_ISVTX 01000 /* Save swapped text after use (sticky). */
  184. #define __S_IREAD 0400 /* Read by owner. */
  185. #define __S_IWRITE 0200 /* Write by owner. */
  186. #define __S_IEXEC 0100 /* Execute by owner. */