Signed-off-by: Jason Hobbs <jason.ho...@calxeda.com>
---
include/uuid.h | 28 ++++++++++++++++++++++++++++
lib/Makefile | 1 +
lib/uuid.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 79 insertions(+), 0 deletions(-)
create mode 100644 include/uuid.h
create mode 100644 lib/uuid.c
diff --git a/include/uuid.h b/include/uuid.h
new file mode 100644
index 0000000..f5a242b
--- /dev/null
+++ b/include/uuid.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2011 Calxeda, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __UUID_H_
+#define __UUID_H_
+
+void uuid_str_to_bin(const char *uuid, unsigned char *out);
+
+#endif /* __UUID_H_ */
diff --git a/lib/Makefile b/lib/Makefile
index afa6914..82b318d 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -53,6 +53,7 @@ COBJS-y += strmhz.o
COBJS-y += time.o
COBJS-y += vsprintf.o
COBJS-$(CONFIG_RBTREE) += rbtree.o
+COBJS-y += uuid.o
COBJS := $(COBJS-y)
SRCS := $(COBJS:.o=.c)
diff --git a/lib/uuid.c b/lib/uuid.c
new file mode 100644
index 0000000..edc0c9f
--- /dev/null
+++ b/lib/uuid.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2011 Calxeda, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include "common.h"
+
+/*
+ * 0 9 14 19 24
+ * xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
+ * le le le be be
+ */
+void uuid_str_to_bin(const char *uuid, unsigned char *out)
+{
+ uint16_t tmp16;
+ uint32_t tmp32;
+ uint64_t tmp64;
+
+ tmp32 = cpu_to_le32(simple_strtoul(uuid, NULL, 16));
+ memcpy(out, &tmp32, 4);
+
+ tmp16 = cpu_to_le16(simple_strtoul(uuid + 9, NULL, 16));
+ memcpy(out + 4, &tmp16, 2);
+
+ tmp16 = cpu_to_le16(simple_strtoul(uuid + 14, NULL, 16));
+ memcpy(out + 6, &tmp16, 2);
+
+ tmp16 = cpu_to_be16(simple_strtoul(uuid + 19, NULL, 16));
+ memcpy(out + 8, &tmp16, 2);
+
+ tmp64 = cpu_to_be64(simple_strtoull(uuid + 24, NULL, 16));
+ memcpy(out + 10, (char *)&tmp64 + 2, 6);
+}
--
1.7.0.4
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