ar.h 1.7 KB

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  1. /* Header describing `ar' archive file format.
  2. Copyright (C) 1996-2020 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, see
  14. <https://www.gnu.org/licenses/>. */
  15. #ifndef _AR_H
  16. #define _AR_H 1
  17. #include <sys/cdefs.h>
  18. /* Archive files start with the ARMAG identifying string. Then follows a
  19. `struct ar_hdr', and as many bytes of member file data as its `ar_size'
  20. member indicates, for each member file. */
  21. #define ARMAG "!<arch>\n" /* String that begins an archive file. */
  22. #define SARMAG 8 /* Size of that string. */
  23. #define ARFMAG "`\n" /* String in ar_fmag at end of each header. */
  24. __BEGIN_DECLS
  25. struct ar_hdr
  26. {
  27. char ar_name[16]; /* Member file name, sometimes / terminated. */
  28. char ar_date[12]; /* File date, decimal seconds since Epoch. */
  29. char ar_uid[6], ar_gid[6]; /* User and group IDs, in ASCII decimal. */
  30. char ar_mode[8]; /* File mode, in ASCII octal. */
  31. char ar_size[10]; /* File size, in ASCII decimal. */
  32. char ar_fmag[2]; /* Always contains ARFMAG. */
  33. };
  34. __END_DECLS
  35. #endif /* ar.h */