1 files changed, 76 insertions, 0 deletions
diff --git a/libblkid/libuuid/src/unparse.c b/libblkid/libuuid/src/unparse.c
new file mode 100644
index 000000000..a95bbb042
--- /dev/null
+++ b/libblkid/libuuid/src/unparse.c
@@ -0,0 +1,76 @@
+/*
+ * unparse.c -- convert a UUID to string
+ *
+ * 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 <stdio.h>
+
+#include "uuidP.h"
+
+static const char *fmt_lower =
+	"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x";
+
+static const char *fmt_upper =
+	"%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X";
+
+#ifdef UUID_UNPARSE_DEFAULT_UPPER
+#define FMT_DEFAULT fmt_upper
+#else
+#define FMT_DEFAULT fmt_lower
+#endif
+
+static void uuid_unparse_x(const uuid_t uu, char *out, const char *fmt)
+{
+	struct uuid uuid;
+
+	uuid_unpack(uu, &uuid);
+	sprintf(out, fmt,
+		uuid.time_low, uuid.time_mid, uuid.time_hi_and_version,
+		uuid.clock_seq >> 8, uuid.clock_seq & 0xFF,
+		uuid.node[0], uuid.node[1], uuid.node[2],
+		uuid.node[3], uuid.node[4], uuid.node[5]);
+}
+
+void uuid_unparse_lower(const uuid_t uu, char *out)
+{
+	uuid_unparse_x(uu, out,	fmt_lower);
+}
+
+void uuid_unparse_upper(const uuid_t uu, char *out)
+{
+	uuid_unparse_x(uu, out,	fmt_upper);
+}
+
+void uuid_unparse(const uuid_t uu, char *out)
+{
+	uuid_unparse_x(uu, out, FMT_DEFAULT);
+}