From 3b005d330261f33318ca1ee3fef1940237fd788b Mon Sep 17 00:00:00 2001
From: pjd <pjd@FreeBSD.org>
Date: Fri, 6 Apr 2007 01:09:06 +0000
Subject: Please welcome ZFS - The last word in file systems.

ZFS file system was ported from OpenSolaris operating system. The code in under
CDDL license.

I'd like to thank all SUN developers that created this great piece of software.

Supported by:	Wheel LTD (http://www.wheel.pl/)
Supported by:	The FreeBSD Foundation (http://www.freebsdfoundation.org/)
Supported by:	Sentex (http://www.sentex.net/)
---
 sys/compat/opensolaris/kern/opensolaris_string.c | 102 +++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 sys/compat/opensolaris/kern/opensolaris_string.c

(limited to 'sys/compat/opensolaris/kern/opensolaris_string.c')

diff --git a/sys/compat/opensolaris/kern/opensolaris_string.c b/sys/compat/opensolaris/kern/opensolaris_string.c
new file mode 100644
index 0000000..cae984f
--- /dev/null
+++ b/sys/compat/opensolaris/kern/opensolaris_string.c
@@ -0,0 +1,102 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include <sys/param.h>
+#include <sys/string.h>
+
+#define	IS_DIGIT(c)	((c) >= '0' && (c) <= '9')
+
+#define	IS_ALPHA(c)	\
+	(((c) >= 'a' && (c) <= 'z') || ((c) >= 'A' && (c) <= 'Z'))
+
+char *
+strchr(const char *s, int c)
+{
+	char ch;
+
+	ch = c;
+	for (;; ++s) {
+		if (*s == ch)
+			return ((char *)s);
+		if (*s == '\0')
+			return (NULL);
+	}
+	/* NOTREACHED */
+}
+
+char *
+strrchr(const char *s, int c)
+{
+	char *save;
+	char ch;
+
+	ch = c;
+	for (save = NULL;; ++s) {
+		if (*s == ch)
+			save = (char *)s;
+		if (*s == '\0')
+			return (save);
+	}
+	/* NOTREACHED */
+}
+
+char *
+strpbrk(const char *s, const char *b)
+{
+	const char *p;
+
+	do {
+		for (p = b; *p != '\0' && *p != *s; ++p)
+			;
+		if (*p != '\0')
+			return ((char *)s);
+	} while (*s++);
+
+	return (NULL);
+}
+
+/*
+ * Convert a string into a valid C identifier by replacing invalid
+ * characters with '_'.  Also makes sure the string is nul-terminated
+ * and takes up at most n bytes.
+ */
+void
+strident_canon(char *s, size_t n)
+{
+	char c;
+	char *end = s + n - 1;
+
+	if ((c = *s) == 0)
+		return;
+
+	if (!IS_ALPHA(c) && c != '_')
+		*s = '_';
+
+	while (s < end && ((c = *(++s)) != 0)) {
+		if (!IS_ALPHA(c) && !IS_DIGIT(c) && c != '_')
+			*s = '_';
+	}
+	*s = 0;
+}
-- 
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