stat.h 9.9 KB

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  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. 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. #ifdef __USE_MISC
  56. /* Nanosecond resolution timestamps are stored in a format
  57. equivalent to 'struct timespec'. This is the type used
  58. whenever possible but the Unix namespace rules do not allow the
  59. identifier 'timespec' to appear in the <sys/stat.h> header.
  60. Therefore we have to handle the use of this header in strictly
  61. standard-compliant sources special. */
  62. struct timespec st_atim; /* Time of last access. */
  63. struct timespec st_mtim; /* Time of last modification. */
  64. struct timespec st_ctim; /* Time of last status change. */
  65. # define st_atime st_atim.tv_sec /* Backward compatibility. */
  66. # define st_mtime st_mtim.tv_sec
  67. # define st_ctime st_ctim.tv_sec
  68. #else
  69. __time_t st_atime; /* Time of last access. */
  70. unsigned long int st_atimensec; /* Nscecs of last access. */
  71. __time_t st_mtime; /* Time of last modification. */
  72. unsigned long int st_mtimensec; /* Nsecs of last modification. */
  73. __time_t st_ctime; /* Time of last status change. */
  74. unsigned long int st_ctimensec; /* Nsecs of last status change. */
  75. #endif
  76. __blksize_t st_blksize; /* Optimal block size for I/O. */
  77. #ifndef __USE_FILE_OFFSET64
  78. __blkcnt_t st_blocks; /* Number of 512-byte blocks allocated. */
  79. #else
  80. long int st_pad4;
  81. __blkcnt64_t st_blocks; /* Number of 512-byte blocks allocated. */
  82. #endif
  83. long int st_pad5[14];
  84. };
  85. #else /* N32 || N64 */
  86. /* The memory layout is the same as of struct stat64 of the 32-bit kernel. */
  87. struct stat {
  88. unsigned int st_dev;
  89. int st_pad1[3];
  90. __ino_t st_ino; /* File serial number. */
  91. __mode_t st_mode; /* File mode. */
  92. __nlink_t st_nlink; /* Link count. */
  93. __uid_t st_uid; /* User ID of the file's owner. */
  94. __gid_t st_gid; /* Group ID of the file's group.*/
  95. unsigned int st_rdev; /* Device number, if device. */
  96. int st_pad2[3];
  97. __off_t st_size; /* Size of file, in bytes. */
  98. #ifdef __USE_MISC
  99. /* Nanosecond resolution timestamps are stored in a format
  100. equivalent to 'struct timespec'. This is the type used
  101. whenever possible but the Unix namespace rules do not allow the
  102. identifier 'timespec' to appear in the <sys/stat.h> header.
  103. Therefore we have to handle the use of this header in strictly
  104. standard-compliant sources special. */
  105. struct timespec st_atim; /* Time of last access. */
  106. struct timespec st_mtim; /* Time of last modification. */
  107. struct timespec st_ctim; /* Time of last status change. */
  108. # define st_atime st_atim.tv_sec /* Backward compatibility. */
  109. # define st_mtime st_mtim.tv_sec
  110. # define st_ctime st_ctim.tv_sec
  111. #else
  112. int st_atime;
  113. int st_atimensec;
  114. int st_mtime;
  115. int st_mtimensec;
  116. int st_ctime;
  117. int st_ctimensec;
  118. #endif
  119. int st_blksize; /* Optimal block size for I/O. */
  120. int st_pad3;
  121. __blkcnt_t st_blocks; /* Number of 512-byte blocks allocated. */
  122. int st_pad4[14];
  123. };
  124. #endif /* N32 || N64 */
  125. #ifdef __USE_LARGEFILE64
  126. #if _MIPS_SIM == _ABIO32
  127. struct stat64
  128. {
  129. __dev_t st_dev;
  130. long int st_pad1[2];
  131. __ino64_t st_ino; /* File serial number. */
  132. __mode_t st_mode; /* File mode. */
  133. __nlink_t st_nlink; /* Link count. */
  134. __uid_t st_uid; /* User ID of the file's owner. */
  135. __gid_t st_gid; /* Group ID of the file's group.*/
  136. __dev_t st_rdev; /* Device number, if device. */
  137. long int st_pad2[2];
  138. __off64_t st_size; /* Size of file, in bytes. */
  139. #ifdef __USE_MISC
  140. /* Nanosecond resolution timestamps are stored in a format
  141. equivalent to 'struct timespec'. This is the type used
  142. whenever possible but the Unix namespace rules do not allow the
  143. identifier 'timespec' to appear in the <sys/stat.h> header.
  144. Therefore we have to handle the use of this header in strictly
  145. standard-compliant sources special. */
  146. struct timespec st_atim; /* Time of last access. */
  147. struct timespec st_mtim; /* Time of last modification. */
  148. struct timespec st_ctim; /* Time of last status change. */
  149. # define st_atime st_atim.tv_sec /* Backward compatibility. */
  150. # define st_mtime st_mtim.tv_sec
  151. # define st_ctime st_ctim.tv_sec
  152. #else
  153. __time_t st_atime; /* Time of last access. */
  154. unsigned long int st_atimensec; /* Nscecs of last access. */
  155. __time_t st_mtime; /* Time of last modification. */
  156. unsigned long int st_mtimensec; /* Nsecs of last modification. */
  157. __time_t st_ctime; /* Time of last status change. */
  158. unsigned long int st_ctimensec; /* Nsecs of last status change. */
  159. #endif
  160. __blksize_t st_blksize; /* Optimal block size for I/O. */
  161. long int st_pad3;
  162. __blkcnt64_t st_blocks; /* Number of 512-byte blocks allocated. */
  163. long int st_pad4[14];
  164. };
  165. #else /* N32 || N64 */
  166. /* stat64 of N32/N64 is just an alias of stat syscall. */
  167. struct stat64 {
  168. unsigned int st_dev;
  169. int st_pad1[3];
  170. __ino_t st_ino; /* File serial number. */
  171. __mode_t st_mode; /* File mode. */
  172. __nlink_t st_nlink; /* Link count. */
  173. __uid_t st_uid; /* User ID of the file's owner. */
  174. __gid_t st_gid; /* Group ID of the file's group.*/
  175. unsigned int st_rdev; /* Device number, if device. */
  176. int st_pad2[3];
  177. __off_t st_size; /* Size of file, in bytes. */
  178. #ifdef __USE_MISC
  179. /* Nanosecond resolution timestamps are stored in a format
  180. equivalent to 'struct timespec'. This is the type used
  181. whenever possible but the Unix namespace rules do not allow the
  182. identifier 'timespec' to appear in the <sys/stat.h> header.
  183. Therefore we have to handle the use of this header in strictly
  184. standard-compliant sources special. */
  185. struct timespec st_atim; /* Time of last access. */
  186. struct timespec st_mtim; /* Time of last modification. */
  187. struct timespec st_ctim; /* Time of last status change. */
  188. # define st_atime st_atim.tv_sec /* Backward compatibility. */
  189. # define st_mtime st_mtim.tv_sec
  190. # define st_ctime st_ctim.tv_sec
  191. #else
  192. int st_atime;
  193. int st_atimensec;
  194. int st_mtime;
  195. int st_mtimensec;
  196. int st_ctime;
  197. int st_ctimensec;
  198. #endif
  199. int st_blksize; /* Optimal block size for I/O. */
  200. int st_pad3;
  201. __blkcnt_t st_blocks; /* Number of 512-byte blocks allocated. */
  202. int st_pad4[14];
  203. };
  204. #endif /* N32 || N64 */
  205. #endif
  206. /* Tell code we have these members. */
  207. #define _STATBUF_ST_BLKSIZE
  208. #define _STATBUF_ST_RDEV
  209. /* Nanosecond resolution time values are supported. */
  210. #define _STATBUF_ST_NSEC
  211. /* Encoding of the file mode. */
  212. #define __S_IFMT 0170000 /* These bits determine file type. */
  213. /* File types. */
  214. #define __S_IFDIR 0040000 /* Directory. */
  215. #define __S_IFCHR 0020000 /* Character device. */
  216. #define __S_IFBLK 0060000 /* Block device. */
  217. #define __S_IFREG 0100000 /* Regular file. */
  218. #define __S_IFIFO 0010000 /* FIFO. */
  219. #define __S_IFLNK 0120000 /* Symbolic link. */
  220. #define __S_IFSOCK 0140000 /* Socket. */
  221. /* POSIX.1b objects. Note that these macros always evaluate to zero. But
  222. they do it by enforcing the correct use of the macros. */
  223. #define __S_TYPEISMQ(buf) ((buf)->st_mode - (buf)->st_mode)
  224. #define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
  225. #define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
  226. /* Protection bits. */
  227. #define __S_ISUID 04000 /* Set user ID on execution. */
  228. #define __S_ISGID 02000 /* Set group ID on execution. */
  229. #define __S_ISVTX 01000 /* Save swapped text after use (sticky). */
  230. #define __S_IREAD 0400 /* Read by owner. */
  231. #define __S_IWRITE 0200 /* Write by owner. */
  232. #define __S_IEXEC 0100 /* Execute by owner. */
  233. #ifdef __USE_ATFILE
  234. # define UTIME_NOW ((1l << 30) - 1l)
  235. # define UTIME_OMIT ((1l << 30) - 2l)
  236. #endif