commands/autil/rd_arhdr.c

   1 /* $Id$ */
   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 "obj.h"
   7
   8 int
   9 rd_arhdr(fd, arhdr)
  10         register struct ar_hdr  *arhdr;
  11 {
  12         char buf[AR_TOTAL];
  13         register char *c = buf;
  14         register char *p = arhdr->ar_name;
  15         register int i;
  16
  17         i = read(fd, c, AR_TOTAL);
  18         if (i == 0) return 0;
  19         if (i != AR_TOTAL) {
  20                 rd_fatal();
  21         }
  22         i = 14;
  23         while (i--) {
  24                 *p++ = *c++;
  25         }
  26         arhdr->ar_date = ((long) get2(c)) << 16; c += 2;
  27         arhdr->ar_date |= ((long) get2(c)) & 0xffff; c += 2;
  28         arhdr->ar_uid = *c++;
  29         arhdr->ar_gid = *c++;
  30         arhdr->ar_mode = get2(c); c += 2;
  31         arhdr->ar_size = (long) get2(c) << 16; c += 2;
  32         arhdr->ar_size |= (long) get2(c) & 0xffff;
  33         return 1;
  34 }