1 files changed, 98 insertions, 0 deletions
diff --git a/libuuid/src/parse.c b/libuuid/src/parse.c
new file mode 100644
index 0000000..c3e2281
--- /dev/null
+++ b/libuuid/src/parse.c
@@ -0,0 +1,98 @@
+/*
+ * parse.c --- UUID parsing
+ *
+ * Copyright (C) 1996, 1997 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * 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, and the entire permission notice in its entirety,
+ *    including the disclaimer of warranties.
+ * 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. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
+ * WHICH ARE HEREBY DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR 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 NOT ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ * %End-Header%
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+
+#include "c.h"
+#include "uuidP.h"
+
+int uuid_parse(const char *in, uuid_t uu)
+{
+	size_t len = strlen(in);
+	if (len != 36)
+		return -1;
+
+	return uuid_parse_range(in, in + len, uu);
+}
+
+int uuid_parse_range(const char *in_start, const char *in_end, uuid_t uu)
+{
+	struct uuid	uuid;
+	int		i;
+	const char	*cp;
+	char		buf[3];
+
+	if ((in_end - in_start) != 36)
+		return -1;
+	for (i=0, cp = in_start; i < 36; i++,cp++) {
+		if ((i == 8) || (i == 13) || (i == 18) ||
+		    (i == 23)) {
+			if (*cp == '-')
+				continue;
+			return -1;
+		}
+
+		if (!isxdigit(*cp))
+			return -1;
+	}
+	errno = 0;
+	uuid.time_low = strtoul(in_start, NULL, 16);
+
+	if (!errno)
+		uuid.time_mid = strtoul(in_start+9, NULL, 16);
+	if (!errno)
+		uuid.time_hi_and_version = strtoul(in_start+14, NULL, 16);
+	if (!errno)
+		uuid.clock_seq = strtoul(in_start+19, NULL, 16);
+	if (errno)
+		return -1;
+
+	cp = in_start+24;
+	buf[2] = 0;
+	for (i=0; i < 6; i++) {
+		buf[0] = *cp++;
+		buf[1] = *cp++;
+
+		errno = 0;
+		uuid.node[i] = strtoul(buf, NULL, 16);
+		if (errno)
+			return -1;
+	}
+
+	uuid_pack(&uuid, uu);
+	return 0;
+}