151145Sbostic /*-
261488Sbostic * Copyright (c) 1991, 1993
361488Sbostic * The Regents of the University of California. All rights reserved.
451145Sbostic *
551145Sbostic * %sccs.include.redist.c%
651145Sbostic */
751145Sbostic
851145Sbostic #ifndef lint
9*68988Sbostic static char sccsid[] = "@(#)misc.c 8.2 (Berkeley) 04/28/95";
1051145Sbostic #endif /* not lint */
1151145Sbostic
1251145Sbostic #include <sys/types.h>
13*68988Sbostic
14*68988Sbostic #include <err.h>
1551145Sbostic #include <errno.h>
16*68988Sbostic #include <stdio.h>
1751145Sbostic #include <stdlib.h>
1851145Sbostic #include <string.h>
19*68988Sbostic #include <unistd.h>
2051145Sbostic #include "extern.h"
2151145Sbostic
2251145Sbostic void
get(fd,off,p,len)2351145Sbostic get(fd, off, p, len)
2451145Sbostic int fd;
2551145Sbostic off_t off;
2651145Sbostic void *p;
2751145Sbostic size_t len;
2851145Sbostic {
2951145Sbostic int rbytes;
3051145Sbostic
3151145Sbostic if (lseek(fd, off, SEEK_SET) < 0)
32*68988Sbostic err(1, "%s", special);
3351145Sbostic if ((rbytes = read(fd, p, len)) < 0)
34*68988Sbostic err(1, "%s", special);
3551145Sbostic if (rbytes != len)
36*68988Sbostic errx(1, "%s: short read (%d, not %d)", special, rbytes, len);
3751145Sbostic }
38