stat.h 6.5 KB

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  1. /*
  2. * Copyright (C) 2016 Andes Technology, Inc.
  3. * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  4. */
  5. /* Copyright (C) 1992, 1995-2001, 2002 Free Software Foundation, Inc.
  6. The GNU C Library is free software; you can redistribute it and/or
  7. modify it under the terms of the GNU Lesser General Public
  8. License as published by the Free Software Foundation; either
  9. version 2.1 of the License, or (at your option) any later version.
  10. The GNU C Library is distributed in the hope that it will be useful,
  11. but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  13. Lesser General Public License for more details.
  14. You should have received a copy of the GNU Lesser General Public
  15. License along with the GNU C Library; if not, write to the Free
  16. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17. 02111-1307 USA. */
  18. #ifndef _SYS_STAT_H
  19. # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
  20. #endif
  21. /* Versions of the `struct stat' data structure. */
  22. #define _STAT_VER_LINUX_OLD 1
  23. #define _STAT_VER_KERNEL 1
  24. #define _STAT_VER_SVR4 2
  25. #define _STAT_VER_LINUX 3
  26. #define _STAT_VER _STAT_VER_LINUX /* The one defined below. */
  27. /* Versions of the `xmknod' interface. */
  28. #define _MKNOD_VER_LINUX 1
  29. #define _MKNOD_VER_SVR4 2
  30. #define _MKNOD_VER _MKNOD_VER_LINUX /* The bits defined below. */
  31. struct stat
  32. {
  33. __dev_t st_dev; /* Device. */
  34. unsigned short int __pad1;
  35. #ifndef __USE_FILE_OFFSET64
  36. __ino_t st_ino; /* File serial number. */
  37. #else
  38. __ino_t __st_ino; /* 32bit file serial number. */
  39. #endif
  40. __mode_t st_mode; /* File mode. */
  41. __nlink_t st_nlink; /* Link count. */
  42. __uid_t st_uid; /* User ID of the file's owner. */
  43. __gid_t st_gid; /* Group ID of the file's group.*/
  44. __dev_t st_rdev; /* Device number, if device. */
  45. unsigned short int __pad2;
  46. #ifndef __USE_FILE_OFFSET64
  47. __off_t st_size; /* Size of file, in bytes. */
  48. #else
  49. __off64_t st_size; /* Size of file, in bytes. */
  50. #endif
  51. __blksize_t st_blksize; /* Optimal block size for I/O. */
  52. #ifndef __USE_FILE_OFFSET64
  53. __blkcnt_t st_blocks; /* Number 512-byte blocks allocated. */
  54. #else
  55. __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */
  56. #endif
  57. #ifdef __USE_MISC
  58. /* Nanosecond resolution timestamps are stored in a format
  59. equivalent to 'struct timespec'. This is the type used
  60. whenever possible but the Unix namespace rules do not allow the
  61. identifier 'timespec' to appear in the <sys/stat.h> header.
  62. Therefore we have to handle the use of this header in strictly
  63. standard-compliant sources special. */
  64. struct timespec st_atim; /* Time of last access. */
  65. struct timespec st_mtim; /* Time of last modification. */
  66. struct timespec st_ctim; /* Time of last status change. */
  67. # define st_atime st_atim.tv_sec /* Backward compatibility. */
  68. # define st_mtime st_mtim.tv_sec
  69. # define st_ctime st_ctim.tv_sec
  70. #else
  71. __time_t st_atime; /* Time of last access. */
  72. unsigned long int st_atimensec; /* Nscecs of last access. */
  73. __time_t st_mtime; /* Time of last modification. */
  74. unsigned long int st_mtimensec; /* Nsecs of last modification. */
  75. __time_t st_ctime; /* Time of last status change. */
  76. unsigned long int st_ctimensec; /* Nsecs of last status change. */
  77. #endif
  78. #ifndef __USE_FILE_OFFSET64
  79. unsigned long int __unused4;
  80. unsigned long int __unused5;
  81. #else
  82. __ino64_t st_ino; /* File serial number. */
  83. #endif
  84. };
  85. #ifdef __USE_LARGEFILE64
  86. struct stat64
  87. {
  88. __dev_t st_dev; /* Device. */
  89. unsigned int __pad1;
  90. __ino_t __st_ino; /* 32bit 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. __dev_t st_rdev; /* Device number, if device. */
  96. unsigned int __pad2;
  97. __off64_t st_size; /* Size of file, in bytes. */
  98. __blksize_t st_blksize; /* Optimal block size for I/O. */
  99. __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */
  100. #ifdef __USE_MISC
  101. /* Nanosecond resolution timestamps are stored in a format
  102. equivalent to 'struct timespec'. This is the type used
  103. whenever possible but the Unix namespace rules do not allow the
  104. identifier 'timespec' to appear in the <sys/stat.h> header.
  105. Therefore we have to handle the use of this header in strictly
  106. standard-compliant sources special. */
  107. struct timespec st_atim; /* Time of last access. */
  108. struct timespec st_mtim; /* Time of last modification. */
  109. struct timespec st_ctim; /* Time of last status change. */
  110. #else
  111. __time_t st_atime; /* Time of last access. */
  112. unsigned long int st_atimensec; /* Nscecs of last access. */
  113. __time_t st_mtime; /* Time of last modification. */
  114. unsigned long int st_mtimensec; /* Nsecs of last modification. */
  115. __time_t st_ctime; /* Time of last status change. */
  116. unsigned long int st_ctimensec; /* Nsecs of last status change. */
  117. #endif
  118. __ino64_t st_ino; /* File serial number. */
  119. };
  120. #endif
  121. /* Tell code we have these members. */
  122. #define _STATBUF_ST_BLKSIZE
  123. #define _STATBUF_ST_RDEV
  124. /* Nanosecond resolution time values are supported. */
  125. #define _STATBUF_ST_NSEC
  126. /* Encoding of the file mode. */
  127. #define __S_IFMT 0170000 /* These bits determine file type. */
  128. /* File types. */
  129. #define __S_IFDIR 0040000 /* Directory. */
  130. #define __S_IFCHR 0020000 /* Character device. */
  131. #define __S_IFBLK 0060000 /* Block device. */
  132. #define __S_IFREG 0100000 /* Regular file. */
  133. #define __S_IFIFO 0010000 /* FIFO. */
  134. #define __S_IFLNK 0120000 /* Symbolic link. */
  135. #define __S_IFSOCK 0140000 /* Socket. */
  136. /* POSIX.1b objects. Note that these macros always evaluate to zero. But
  137. they do it by enforcing the correct use of the macros. */
  138. #define __S_TYPEISMQ(buf) ((buf)->st_mode - (buf)->st_mode)
  139. #define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
  140. #define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
  141. /* Protection bits. */
  142. #define __S_ISUID 04000 /* Set user ID on execution. */
  143. #define __S_ISGID 02000 /* Set group ID on execution. */
  144. #define __S_ISVTX 01000 /* Save swapped text after use (sticky). */
  145. #define __S_IREAD 0400 /* Read by owner. */
  146. #define __S_IWRITE 0200 /* Write by owner. */
  147. #define __S_IEXEC 0100 /* Execute by owner. */
  148. #ifdef __USE_ATFILE
  149. # define UTIME_NOW ((1l << 30) - 1l)
  150. # define UTIME_OMIT ((1l << 30) - 2l)
  151. #endif