summaryrefslogtreecommitdiff
path: root/src/lib/uuid.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/lib/uuid.c')
-rw-r--r--src/lib/uuid.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/src/lib/uuid.c b/src/lib/uuid.c
new file mode 100644
index 0000000000..b5c00d7efb
--- /dev/null
+++ b/src/lib/uuid.c
@@ -0,0 +1,35 @@
+/*
+ * This file is part of the coreboot 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; version 2 of the License.
+ *
+ * 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.
+ */
+
+#include <stdint.h>
+#include <lib.h>
+#include <uuid.h>
+
+int parse_uuid(uint8_t *const uuid, const char *const uuid_str)
+{
+ const uint8_t order[] = { 3, 2, 1, 0, 5, 4, 7, 6, 8, 9, 10, 11, 12, 13, 14, 15 };
+ uint8_t uuid_binstr[UUID_LEN];
+ unsigned int i;
+
+ if (strlen(uuid_str) != UUID_STRLEN)
+ return -1;
+ if (uuid_str[8] != '-' || uuid_str[13] != '-' ||
+ uuid_str[18] != '-' || uuid_str[23] != '-')
+ return -1;
+ if (hexstrtobin(uuid_str, uuid_binstr, UUID_LEN) != UUID_LEN)
+ return -1;
+ for (i = 0; i < UUID_LEN; ++i)
+ uuid[i] = uuid_binstr[order[i]];
+
+ return 0;
+}