Remove obsolete sum

commands/Makefile

@@ -24,7 +24,7 @@ SUBDIR=	add_route arp ash at backup banner basename btrace cal \
 	reboot remsync rev rget rlogin \
 	rotate rsh rshd service setup shar acksize \
 	sleep slip sort spell split sprofalyze sprofdiff srccrc \
-	stty sum svclog svrctl swifi sync synctree sysenv \
+	stty svclog svrctl swifi sync synctree sysenv \
 	syslogd tail tcpd tcpdp tcpstat tee telnet \
 	telnetd term termcap tget time touch tr \
 	truncate tsort tty udpstat umount uname unexpand \

commands/sum/Makefile

@@ -1,4 +0,0 @@
-PROG=	sum
-MAN=
-
-.include <bsd.prog.mk>

commands/sum/sum.c

@@ -1,121 +0,0 @@
-/* sum - checksum a file		Author: Martin C. Atkins */
-
-/*
- *	This program was written by:
- *		Martin C. Atkins,
- *		University of York,
- *		Heslington,
- *		York. Y01 5DD
- *		England
- *	and is released into the public domain, on the condition
- *	that this comment is always included without alteration.
- */
-
-#include <sys/types.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <minix/minlib.h>
-#include <stdio.h>
-
-#define BUFFER_SIZE (512)
-
-int rc = 0;
-
-char *defargv[] = {"-", 0};
-
-int main(int argc, char **argv);
-void error(char *s, char *f);
-void sum(int fd, char *fname);
-void putd(int number, int fw, int zeros);
-
-int main(argc, argv)
-int argc;
-char *argv[];
-{
-  register int fd;
-
-  if (*++argv == 0) argv = defargv;
-  for (; *argv; argv++) {
-	if (argv[0][0] == '-' && argv[0][1] == '\0')
-		fd = 0;
-	else
-		fd = open(*argv, O_RDONLY);
-
-	if (fd == -1) {
-		error("can't open ", *argv);
-		rc = 1;
-		continue;
-	}
-	sum(fd, (argc > 2) ? *argv : (char *) 0);
-	if (fd != 0) close(fd);
-  }
-  return(rc);
-}
-
-void error(s, f)
-char *s, *f;
-{
-
-  std_err("sum: ");
-  std_err(s);
-
-  if (f) std_err(f);
-  std_err("\n");
-}
-
-void sum(fd, fname)
-int fd;
-char *fname;
-{
-  char buf[BUFFER_SIZE];
-  register int i, n;
-  long size = 0;
-  unsigned crc = 0;
-  unsigned tmp, blks;
-
-  while ((n = read(fd, buf, BUFFER_SIZE)) > 0) {
-	for (i = 0; i < n; i++) {
-		crc = (crc >> 1) + ((crc & 1) ? 0x8000 : 0);
-		tmp = buf[i] & 0377;
-		crc += tmp;
-		crc &= 0xffff;
-		size++;
-	}
-  }
-
-  if (n < 0) {
-	if (fname)
-		error("read error on ", fname);
-	else
-		error("read error", (char *) 0);
-	rc = 1;
-	return;
-  }
-  putd(crc, 5, 1);
-  blks = (size + (long) BUFFER_SIZE - 1L) / (long) BUFFER_SIZE;
-  putd(blks, 6, 0);
-  if (fname) printf(" %s", fname);
-  printf("\n");
-}
-
-void putd(number, fw, zeros)
-int number, fw, zeros;
-{
-/* Put a decimal number, in a field width, to stdout. */
-
-  char buf[10];
-  int n;
-  unsigned num;
-
-  num = (unsigned) number;
-  for (n = 0; n < fw; n++) {
-	if (num || n == 0) {
-		buf[fw - n - 1] = '0' + num % 10;
-		num /= 10;
-	} else
-		buf[fw - n - 1] = zeros ? '0' : ' ';
-  }
-  buf[fw] = 0;
-  printf("%s", buf);
-}