commands/aal/rd_arhdr.c

   1 /* $Header$ */
   2 /*
   3  * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
   4  * See the copyright notice in the ACK home directory, in the file "Copyright".
   5  */
   6 #include <arch.h>
   7 #include "object.h"
   8
   9 int
  10 rd_arhdr(fd, arhdr)
  11         register struct ar_hdr  *arhdr;
  12 {
  13         char buf[AR_TOTAL];
  14         register char *c = buf;
  15         register char *p = arhdr->ar_name;
  16         register int i;
  17
  18         i = read(fd, c, AR_TOTAL);
  19         if (i == 0) return 0;
  20         if (i != AR_TOTAL) {
  21                 rd_fatal();
  22         }
  23         i = 14;
  24         while (i--) {
  25                 *p++ = *c++;
  26         }
  27         arhdr->ar_date = ((long) get2(c)) << 16; c += 2;
  28         arhdr->ar_date |= ((long) get2(c)) & 0xffff; c += 2;
  29         arhdr->ar_uid = *c++;
  30         arhdr->ar_gid = *c++;
  31         arhdr->ar_mode = get2(c); c += 2;
  32         arhdr->ar_size = (long) get2(c) << 16; c += 2;
  33         arhdr->ar_size |= (long) get2(c) & 0xffff;
  34         return 1;
  35 }