diff options
Diffstat (limited to 'usr.bin/cksum/cksum.c')
| -rw-r--r-- | usr.bin/cksum/cksum.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/usr.bin/cksum/cksum.c b/usr.bin/cksum/cksum.c index 2381f2b..32bfb9b 100644 --- a/usr.bin/cksum/cksum.c +++ b/usr.bin/cksum/cksum.c @@ -33,7 +33,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id$ + * $Id: cksum.c,v 1.3 1997/06/25 07:02:03 charnier Exp $ */ #ifndef lint @@ -43,11 +43,12 @@ static char copyright[] = #endif /* not lint */ #ifndef lint -static char sccsid[] = "@(#)cksum.c 8.1 (Berkeley) 6/6/93"; +static char sccsid[] = "@(#)cksum.c 8.2 (Berkeley) 4/28/95"; #endif /* not lint */ #include <sys/cdefs.h> #include <sys/types.h> + #include <err.h> #include <errno.h> #include <fcntl.h> @@ -55,6 +56,7 @@ static char sccsid[] = "@(#)cksum.c 8.1 (Berkeley) 6/6/93"; #include <stdlib.h> #include <string.h> #include <unistd.h> + #include "extern.h" static void usage __P((void)); @@ -64,22 +66,31 @@ main(argc, argv) int argc; char **argv; { - extern int optind; - u_long len, val; register int ch, fd, rval; - char *fn; + u_long len, val; + char *fn, *p; int (*cfncn) __P((int, unsigned long *, unsigned long *)); void (*pfncn) __P((char *, unsigned long, unsigned long)); - cfncn = crc; - pfncn = pcrc; + if ((p = rindex(argv[0], '/')) == NULL) + p = argv[0]; + else + ++p; + if (*p == 'c') { + cfncn = crc; + pfncn = pcrc; + } else { + cfncn = csum1; + pfncn = psum1; + } + while ((ch = getopt(argc, argv, "o:")) != -1) - switch(ch) { + switch (ch) { case 'o': - if (*optarg == '1') { + if (!strcmp(optarg, "1")) { cfncn = csum1; pfncn = psum1; - } else if (*optarg == '2') { + } else if (!strcmp(optarg, "2")) { cfncn = csum2; pfncn = psum2; } else { |
