Add utility for getting the string representation of a UUID

Allows for the loader_log call to not have 16+ parameters.

Author: charles-lunarg

loader/log.c

@@ -274,3 +274,10 @@ void loader_log_asm_function_not_supported(const struct loader_instance *inst, V
                                            const char *func_name) {
     loader_log(inst, msg_type, msg_code, "Function %s not supported for this physical device", func_name);
 }
+
+void loader_log_generate_uuid_string(const uint8_t uuid[16], char output[UUID_STR_LEN]) {
+    assert(uuid && output);
+    snprintf(output, UUID_STR_LEN, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x", uuid[0], uuid[1],
+             uuid[2], uuid[3], uuid[4], uuid[5], uuid[6], uuid[7], uuid[8], uuid[9], uuid[10], uuid[11], uuid[12], uuid[13],
+             uuid[14], uuid[15]);
+}

loader/log.h

@@ -83,3 +83,7 @@ void loader_log_asm_function_not_supported(const struct loader_instance *inst, V
                                            const char *func_name) ASM_NAME("loader_log_asm_function_not_supported");
 
 #undef ASM_NAME
+
+#define UUID_STR_LEN 37  // always 32 digits, 4 dashes, and 1 null terminator
+
+void loader_log_generate_uuid_string(const uint8_t uuid[16], char output[UUID_STR_LEN]);