Import macOS userland

adv_cmds-176
basic_cmds-55
bootstrap_cmds-116.100.1
developer_cmds-66
diskdev_cmds-667.40.1
doc_cmds-53.60.1
file_cmds-321.40.3
mail_cmds-35
misc_cmds-34
network_cmds-606.40.1
patch_cmds-17
remote_cmds-63
shell_cmds-216.60.1
system_cmds-880.60.2
text_cmds-106

1 files changed, 146 insertions, 0 deletions

diff --git a/text_cmds/colrm/colrm.c b/text_cmds/colrm/colrm.c
new file mode 100644
index 0000000..cf176ab
--- /dev/null
+++ b/text_cmds/colrm/colrm.c
@@ -0,0 +1,146 @@
+/*-
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. 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.
+ */
+
+#ifndef lint
+static const char copyright[] =
+"@(#) Copyright (c) 1991, 1993\n\
+	The Regents of the University of California.  All rights reserved.\n";
+#endif
+
+#if 0
+#ifndef lint
+static char sccsid[] = "@(#)colrm.c	8.2 (Berkeley) 5/4/95";
+#endif
+#endif
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: src/usr.bin/colrm/colrm.c,v 1.12 2004/07/29 09:09:22 tjr Exp $");
+
+#include <sys/types.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 <wchar.h>
+
+#define	TAB	8
+
+void check(FILE *);
+static void usage(void);
+
+int
+main(int argc, char *argv[])
+{
+	u_long column, start, stop;
+	int ch, width;
+	char *p;
+
+	setlocale(LC_ALL, "");
+
+	while ((ch = getopt(argc, argv, "")) != -1)
+		switch(ch) {
+		case '?':
+		default:
+			usage();
+		}
+	argc -= optind;
+	argv += optind;
+
+	start = stop = 0;
+	switch(argc) {
+	case 2:
+                if(argv[1]) stop = strtol(argv[1], &p, 10);
+		if (stop <= 0 || *p)
+			errx(1, "illegal column -- %s", argv[1]);
+		/* FALLTHROUGH */
+	case 1:
+	        if(argv[0]) start = strtol(argv[0], &p, 10);
+		if (start <= 0 || *p)
+			errx(1, "illegal column -- %s", argv[0]);
+		break;
+	case 0:
+		break;
+	default:
+		usage();
+	}
+
+	if (stop && start > stop)
+		errx(1, "illegal start and stop columns");
+
+	for (column = 0;;) {
+		switch (ch = getwchar()) {
+		case WEOF:
+			check(stdin);
+			break;
+		case '\b':
+			if (column)
+				--column;
+			break;
+		case '\n':
+			column = 0;
+			break;
+		case '\t':
+			column = (column + TAB) & ~(TAB - 1);
+			break;
+		default:
+			if ((width = wcwidth(ch)) > 0)
+				column += width;
+			break;
+		}
+
+		if ((!start || column < start || (stop && column > stop)) &&
+		    putwchar(ch) == WEOF)
+			check(stdout);
+	}
+}
+
+void
+check(FILE *stream)
+{
+	if (feof(stream))
+		exit(0);
+	if (ferror(stream))
+		err(1, "%s", stream == stdin ? "stdin" : "stdout");
+}
+
+void
+usage(void)
+{
+	(void)fprintf(stderr, "usage: colrm [start [stop]]\n");
+	exit(1);
+}
+