minix/commands/aal/rd_arhdr.c
2010-07-04 23:01:32 +00:00

40 lines
878 B
C

/* $Header$ */
/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
#include <sys/types.h>
#include <unistd.h>
#include <arch.h>
#include "object.h"
#include "arch.h"
#include "archiver.h"
int
rd_arhdr(int fd, register struct ar_hdr *arhdr)
{
char buf[AR_TOTAL];
register char *c = buf;
register char *p = arhdr->ar_name;
register int i;
i = read(fd, c, AR_TOTAL);
if (i == 0) return 0;
if (i != AR_TOTAL) {
rd_fatal();
}
i = 14;
while (i--) {
*p++ = *c++;
}
arhdr->ar_date = ((long) get2(c)) << 16; c += 2;
arhdr->ar_date |= ((long) get2(c)) & 0xffff; c += 2;
arhdr->ar_uid = *c++;
arhdr->ar_gid = *c++;
arhdr->ar_mode = get2(c); c += 2;
arhdr->ar_size = (long) get2(c) << 16; c += 2;
arhdr->ar_size |= (long) get2(c) & 0xffff;
return 1;
}