stat.h 3.2 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283
  1. /*
  2. * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
  3. * The President and Fellows of Harvard College.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions
  7. * are met:
  8. * 1. Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * 2. Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in the
  12. * documentation and/or other materials provided with the distribution.
  13. * 3. Neither the name of the University nor the names of its contributors
  14. * may be used to endorse or promote products derived from this software
  15. * without specific prior written permission.
  16. *
  17. * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
  18. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20. * ARE DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
  21. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27. * SUCH DAMAGE.
  28. */
  29. #ifndef _SYS_STAT_H_
  30. #define _SYS_STAT_H_
  31. /*
  32. * Get struct stat and all the #defines from the kernel
  33. */
  34. #include <kern/stat.h>
  35. #include <kern/stattypes.h>
  36. /*
  37. * Test macros for object types.
  38. */
  39. #define S_ISDIR(mode) ((mode & _S_IFMT) == _S_IFDIR)
  40. #define S_ISREG(mode) ((mode & _S_IFMT) == _S_IFREG)
  41. #define S_ISDIR(mode) ((mode & _S_IFMT) == _S_IFDIR)
  42. #define S_ISLNK(mode) ((mode & _S_IFMT) == _S_IFLNK)
  43. #define S_ISIFO(mode) ((mode & _S_IFMT) == _S_IFIFO)
  44. #define S_ISSOCK(mode) ((mode & _S_IFMT) ==_S_IFSOCK)
  45. #define S_ISCHR(mode) ((mode & _S_IFMT) == _S_IFCHR)
  46. #define S_ISBLK(mode) ((mode & _S_IFMT) == _S_IFBLK)
  47. /*
  48. * Provide non-underscore names. These are not actually standard; for
  49. * some reason only the test macros are.
  50. */
  51. #define S_IFMT _S_IFMT
  52. #define S_IFREG _S_IFREG
  53. #define S_IFDIR _S_IFDIR
  54. #define S_IFLNK _S_IFLNK
  55. #define S_IFIFO _S_IFIFO
  56. #define S_IFSOCK _S_IFSOCK
  57. #define S_IFCHR _S_IFCHR
  58. #define S_IFBLK _S_IFBLK
  59. /*
  60. * stat is the same as fstat, only on a file that isn't already
  61. * open. lstat is the same as stat, only if the name passed names a
  62. * symlink, information about the symlink is returned rather than
  63. * information about the file it points to. You don't need to
  64. * implement lstat unless you're implementing symbolic links.
  65. */
  66. int fstat(int filehandle, struct stat *buf);
  67. int stat(const char *path, struct stat *buf);
  68. int lstat(const char *path, struct stat *buf);
  69. /*
  70. * The second argument to mkdir is the mode for the new directory.
  71. * Unless you're implementing security and permissions, you can
  72. * (and should) ignore it. See notes in unistd.h.
  73. */
  74. int mkdir(const char *dirname, int ignore);
  75. #endif /* _SYS_STAT_H_ */