include/aout/ar.h

   1 /* archive file definition for GNU software */
   2
   3 /* So far this is correct for BSDish archives.  Don't forget that
   4    files must begin on an even byte boundary. */
   5
   6 #ifndef __GNU_AR_H__
   7 #define __GNU_AR_H__
   8
   9 /* Note that the usual '\n' in magic strings may translate to different
  10    characters, as allowed by ANSI.  '\012' has a fixed value, and remains
  11    compatible with existing BSDish archives. */
  12
  13 #define ARMAG  "!<arch>\012"    /* For COFF and a.out archives */
  14 #define ARMAGB "!<bout>\012"    /* For b.out archives */
  15 #define SARMAG 8
  16 #define ARFMAG "`\012"
  17
  18 /* The ar_date field of the armap (__.SYMDEF) member of an archive
  19    must be greater than the modified date of the entire file, or
  20    BSD-derived linkers complain.  We originally write the ar_date with
  21    this offset from the real file's mod-time.  After finishing the
  22    file, we rewrite ar_date if it's not still greater than the mod date.  */
  23
  24 #define ARMAP_TIME_OFFSET       60
  25
  26 struct ar_hdr {
  27   char ar_name[16];             /* name of this member */
  28   char ar_date[12];             /* file mtime */
  29   char ar_uid[6];               /* owner uid; printed as decimal */
  30   char ar_gid[6];               /* owner gid; printed as decimal */
  31   char ar_mode[8];              /* file mode, printed as octal   */
  32   char ar_size[10];             /* file size, printed as decimal */
  33   char ar_fmag[2];              /* should contain ARFMAG */
  34 };
  35
  36 #endif /* __GNU_AR_H__ */