--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/code/cut.c__netbsd.2014-02-03	Tue May 12 06:46:59 2015 +0200
@@ -0,0 +1,306 @@
+/*	$NetBSD: cut.c,v 1.29 2014/02/03 20:22:19 wiz Exp $	*/
+
+/*
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Adam S. Moskowitz of Menlo Consulting and Marciano Pitargue.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#ifndef lint
+__COPYRIGHT("@(#) Copyright (c) 1989, 1993\
+ The Regents of the University of California.  All rights reserved.");
+#endif /* not lint */
+
+#ifndef lint
+#if 0
+static char sccsid[] = "@(#)cut.c	8.3 (Berkeley) 5/4/95";
+#endif
+__RCSID("$NetBSD: cut.c,v 1.29 2014/02/03 20:22:19 wiz Exp $");
+#endif /* not lint */
+
+#include <ctype.h>
+#include <err.h>
+#include <errno.h>
+#include <limits.h>
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <util.h>
+#include <wchar.h>
+#include <sys/param.h>
+
+static int bflag;
+static int	cflag;
+static char	dchar;
+static int	dflag;
+static int	fflag;
+static int	sflag;
+
+static void	b_cut(FILE *, const char *);
+static void	c_cut(FILE *, const char *);
+static void	f_cut(FILE *, const char *);
+static void	get_list(char *);
+static void	usage(void) __dead;
+
+int
+main(int argc, char *argv[])
+{
+	FILE *fp;
+	void (*fcn)(FILE *, const char *);
+	int ch, rval;
+
+	fcn = NULL;
+	(void)setlocale(LC_ALL, "");
+
+	dchar = '\t';			/* default delimiter is \t */
+
+	/* Since we don't support multi-byte characters, the -c and -b
+	   options are equivalent, and the -n option is meaningless. */
+	while ((ch = getopt(argc, argv, "b:c:d:f:sn")) != -1)
+		switch(ch) {
+		case 'b':
+			fcn = b_cut;
+			get_list(optarg);
+			bflag = 1;
+			break;
+		case 'c':
+			fcn = c_cut;
+			get_list(optarg);
+			cflag = 1;
+			break;
+		case 'd':
+			dchar = *optarg;
+			dflag = 1;
+			break;
+		case 'f':
+			get_list(optarg);
+			fcn = f_cut;
+			fflag = 1;
+			break;
+		case 's':
+			sflag = 1;
+			break;
+		case 'n':
+			break;
+		case '?':
+		default:
+			usage();
+		}
+	argc -= optind;
+	argv += optind;
+
+	if (fflag) {
+		if (cflag || bflag)
+			usage();
+	} else if ((!cflag && !bflag) || dflag || sflag)
+		usage();
+	else if (bflag && cflag)
+		usage();
+
+	rval = 0;
+	if (*argv)
+		for (; *argv; ++argv) {
+			if (strcmp(*argv, "-") == 0)
+				fcn(stdin, "stdin");
+			else {
+				if ((fp = fopen(*argv, "r"))) {
+					fcn(fp, *argv);
+					(void)fclose(fp);
+				} else {
+					rval = 1;
+					warn("%s", *argv);
+				}
+			}
+		}
+	else
+		fcn(stdin, "stdin");
+	return(rval);
+}
+
+static size_t autostart, autostop, maxval;
+
+static char *positions = NULL;
+static size_t numpositions = 0;
+#define ALLOC_CHUNK	_POSIX2_LINE_MAX	/* malloc granularity */
+
+static void
+get_list(char *list)
+{
+	size_t setautostart, start, stop;
+	char *pos;
+	char *p;
+
+	if (positions == NULL) {
+		numpositions = ALLOC_CHUNK;
+		positions = ecalloc(numpositions, sizeof(*positions));
+	}
+
+	/*
+	 * set a byte in the positions array to indicate if a field or
+	 * column is to be selected; use +1, it's 1-based, not 0-based.
+	 * This parser is less restrictive than the Draft 9 POSIX spec.
+	 * POSIX doesn't allow lists that aren't in increasing order or
+	 * overlapping lists.  We also handle "-3-5" although there's no
+	 * real reason to.
+	 */
+	for (; (p = strtok(list, ", \t")) != NULL; list = NULL) {
+		setautostart = start = stop = 0;
+		if (*p == '-') {
+			++p;
+			setautostart = 1;
+		}
+		if (isdigit((unsigned char)*p)) {
+			start = stop = strtol(p, &p, 10);
+			if (setautostart && start > autostart)
+				autostart = start;
+		}
+		if (*p == '-') {
+			if (isdigit((unsigned char)p[1]))
+				stop = strtol(p + 1, &p, 10);
+			if (*p == '-') {
+				++p;
+				if (!autostop || autostop > stop)
+					autostop = stop;
+			}
+		}
+		if (*p)
+			errx(1, "[-bcf] list: illegal list value");
+		if (!stop || !start)
+			errx(1, "[-bcf] list: values may not include zero");
+		if (stop + 1 > numpositions) {
+			size_t newsize;
+			newsize = roundup(stop + 1, ALLOC_CHUNK);
+			positions = erealloc(positions, newsize);
+			(void)memset(positions + numpositions, 0,
+			    newsize - numpositions);
+			numpositions = newsize;
+		}
+		if (maxval < stop)
+			maxval = stop;
+		for (pos = positions + start; start++ <= stop; pos++)
+			*pos = 1;
+	}
+
+	/* overlapping ranges */
+	if (autostop && maxval > autostop)
+		maxval = autostop;
+
+	/* set autostart */
+	if (autostart)
+		(void)memset(positions + 1, '1', autostart);
+}
+
+static void
+/*ARGSUSED*/
+f_cut(FILE *fp, const char *fname __unused)
+{
+	int ch, field, isdelim;
+	char *pos, *p, sep;
+	int output;
+	size_t len;
+	char *lbuf, *tbuf;
+
+	for (sep = dchar, tbuf = NULL; (lbuf = fgetln(fp, &len)) != NULL;) {
+		output = 0;
+		if (lbuf[len - 1] != '\n') {
+			/* no newline at the end of the last line so add one */
+			if ((tbuf = (char *)malloc(len + 1)) == NULL)
+				err(1, NULL);
+			(void)memcpy(tbuf, lbuf, len);
+			tbuf[len++] = '\n';
+			lbuf = tbuf;
+		}
+		for (isdelim = 0, p = lbuf;; ++p) {
+			ch = *p;
+			/* this should work if newline is delimiter */
+			if (ch == sep)
+				isdelim = 1;
+			if (ch == '\n') {
+				if (!isdelim && !sflag)
+					(void)fwrite(lbuf, len, 1, stdout);
+				break;
+			}
+		}
+		if (!isdelim)
+			continue;
+
+		pos = positions + 1;
+		for (field = maxval, p = lbuf; field; --field, ++pos) {
+			if (*pos) {
+				if (output++)
+					(void)putchar(sep);
+				while ((ch = *p++) != '\n' && ch != sep)
+					(void)putchar(ch);
+			} else {
+				while ((ch = *p++) != '\n' && ch != sep)
+					continue;
+			}
+			if (ch == '\n')
+				break;
+		}
+		if (ch != '\n') {
+			if (autostop) {
+				if (output)
+					(void)putchar(sep);
+				for (; (ch = *p) != '\n'; ++p)
+					(void)putchar(ch);
+			} else
+				for (; (ch = *p) != '\n'; ++p);
+		}
+		(void)putchar('\n');
+		if (tbuf) {
+			free(tbuf);
+			tbuf = NULL;
+		}
+	}
+	if (tbuf)
+		free(tbuf);
+}
+
+static void
+usage(void)
+{
+	(void)fprintf(stderr, "usage:\tcut -b list [-n] [file ...]\n"
+	    "\tcut -c list [file ...]\n"
+	    "\tcut -f list [-d string] [-s] [file ...]\n");
+	exit(1);
+}
+
+/* make b_put(): */
+#define CUT_BYTE 1
+#include "x_cut.c"
+#undef CUT_BYTE
+
+/* make c_put(): */
+#define CUT_BYTE 0
+#include "x_cut.c"
+#undef CUT_BYTE