1 files changed, 0 insertions, 100 deletions
diff --git a/bin/cash/mystring.c b/bin/cash/mystring.c
deleted file mode 100644
index a96d4fa5..00000000
--- a/bin/cash/mystring.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-3-Clause
- *
- * Copyright (c) 1991, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Kenneth Almquist.
- *
- * 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.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)mystring.c	8.2 (Berkeley) 5/4/95";
-#endif
-#endif /* not lint */
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD: releng/12.0/bin/sh/mystring.c 326025 2017-11-20 19:49:47Z pfg $");
-
-/*
- * String functions.
- *
- *	equal(s1, s2)		Return true if strings are equal.
- *	number(s)		Convert a string of digits to an integer.
- *	is_number(s)		Return true if s is a string of digits.
- */
-
-#include <stdlib.h>
-#include "shell.h"
-#include "syntax.h"
-#include "error.h"
-#include "mystring.h"
-
-
-char nullstr[1];		/* zero length string */
-
-/*
- * equal - #defined in mystring.h
- */
-
-
-/*
- * Convert a string of digits to an integer, printing an error message on
- * failure.
- */
-
-int
-number(const char *s)
-{
-	if (! is_number(s))
-		error("Illegal number: %s", s);
-	return atoi(s);
-}
-
-
-
-/*
- * Check for a valid number.  This should be elsewhere.
- */
-
-int
-is_number(const char *p)
-{
-	const char *q;
-
-	if (*p == '\0')
-		return 0;
-	while (*p == '0')
-		p++;
-	for (q = p; *q != '\0'; q++)
-		if (! is_digit(*q))
-			return 0;
-	if (q - p > 10 ||
-	    (q - p == 10 && memcmp(p, "2147483647", 10) > 0))
-		return 0;
-	return 1;
-}