1 files changed, 121 insertions, 0 deletions
diff --git a/usr/src/lib/libshare/common/parser.c b/usr/src/lib/libshare/common/parser.c
new file mode 100644
index 0000000000..3bd8f9f303
--- /dev/null
+++ b/usr/src/lib/libshare/common/parser.c
@@ -0,0 +1,121 @@
+/*
+ * 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 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <stdio.h>
+#include <ctype.h>
+
+#define	TK_INIT		0
+#define	TK_TOKEN	1
+#define	TK_SKIPWHITE	2
+#define	TK_QUOTED	3
+
+/*
+ * assumes quoted strings are delimited by white space (i.e sp
+ * "string" sp). Backslash can be used to quote a quote mark.
+ * quoted strings will have the quotes stripped.
+ */
+
+char *
+get_token(char *string)
+{
+	static char *orig = NULL;
+	static char *curp;
+	char *ret;
+	int state = TK_INIT;
+	int c;
+	int quotechar;
+
+	if (string != orig || string == NULL) {
+		orig = string;
+		curp = string;
+		if (string == NULL) {
+			return (NULL);
+		}
+	}
+	ret = curp;
+	while ((c = *curp) != '\0') {
+		switch (state) {
+		case TK_SKIPWHITE:
+		case TK_INIT:
+			if (isspace(c)) {
+				while (*curp && isspace(*curp))
+					curp++;
+				ret = curp;
+			}
+			if (c == '"' || c == '\'') {
+				state = TK_QUOTED;
+				curp++;
+				ret = curp;
+				quotechar = c; /* want to match for close */
+			} else {
+				state = TK_TOKEN;
+			}
+			break;
+		case TK_TOKEN:
+			switch (c) {
+			case '\\':
+				curp++;
+				if (*curp) {
+					curp++;
+					break;
+				} else {
+					return (ret);
+				}
+				break;
+			default:
+				if (*curp == '\0' || isspace(c)) {
+					*curp++ = '\0';
+					return (ret);
+				}
+				curp++;
+				break;
+			}
+			break;
+		case TK_QUOTED:
+			switch (c) {
+			case '\\':
+				curp++;
+				if (*curp) {
+					curp++;
+					break;
+				}
+				curp++;
+				break;
+			default:
+				if (c == '\0' || c == quotechar) {
+					*curp++ = '\0';
+					return (ret);
+				}
+				curp++;
+				break;
+			}
+			break;
+		}
+	}
+	return (NULL);
+}