1 files changed, 120 insertions, 0 deletions
diff --git a/usr.sbin/makefs/cd9660/cd9660_strings.c b/usr.sbin/makefs/cd9660/cd9660_strings.c
new file mode 100644
index 000000000000..b3111fca6cd1
--- /dev/null
+++ b/usr.sbin/makefs/cd9660/cd9660_strings.c
@@ -0,0 +1,120 @@
+/*	$NetBSD: cd9660_strings.c,v 1.4 2007/01/16 17:32:05 hubertf Exp $	*/
+
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan
+ * Perez-Rathke and Ram Vedam.  All rights reserved.
+ *
+ * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys,
+ * Alan Perez-Rathke and Ram Vedam.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN
+ * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``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 DANIEL WATT, WALTER DEIGNAN, RYAN
+ * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM 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/mount.h>
+
+#include <sys/param.h>
+#include <ctype.h>
+
+#include "makefs.h"
+#include "cd9660.h"
+
+
+void
+cd9660_uppercase_characters(char *str, size_t len)
+{
+	size_t p;
+
+	for (p = 0; p < len; p++) {
+		if (islower((unsigned char)str[p]) )
+			str[p] -= 32;
+	}
+}
+
+static inline int
+cd9660_is_d_char(char c)
+{
+	return (isupper((unsigned char)c)
+		|| c == '_'
+		|| (c >= '0' && c <= '9'));
+}
+
+static inline int
+cd9660_is_a_char(char c)
+{
+	return (isupper((unsigned char)c)
+			|| c == '_'
+			|| (c >= '%' && c <= '?')
+			|| (c >= ' ' && c <= '\"'));
+}
+
+/*
+ * Test a string to see if it is composed of valid a characters
+ * @param const char* The string to test
+ * @returns int 1 if valid, 2 if valid if characters are converted to
+ *              upper case, 0 otherwise
+ */
+int
+cd9660_valid_a_chars(const char *str)
+{
+	const char *c = str;
+	int upperFound = 0;
+
+	while ((*c) != '\0') {
+		if (!(cd9660_is_a_char(*c))) {
+			if (islower((unsigned char)*c) )
+				upperFound = 1;
+			else
+				return 0;
+		}
+		c++;
+	}
+	return upperFound + 1;
+}
+
+/*
+ * Test a string to see if it is composed of valid d characters
+ * @param const char* The string to test
+ * @returns int 1 if valid, 2 if valid if characters are converted to
+ *                upper case, 0 otherwise
+ */
+int
+cd9660_valid_d_chars(const char *str)
+{
+	const char *c=str;
+	int upperFound = 0;
+
+	while ((*c) != '\0') {
+		if (!(cd9660_is_d_char(*c))) {
+			if (islower((unsigned char)*c) )
+				upperFound = 1;
+			else
+				return 0;
+		}
+		c++;
+	}
+	return upperFound + 1;
+}