lib: uuid: code refactor for proper maintain between uuid bin and string

Changes in lib/uuid.c to:
- uuid_str_to_bin()
- uuid_bin_to_str()

New parameter is added to specify input/output string format in listed functions
This change allows easy recognize which UUID type is or should be stored in given
string array. Binary data of UUID and GUID is always stored in big endian, only
string representations are different as follows.

String byte: 0                                  36
String char: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
string UUID:    be     be   be   be       be
string GUID:    le     le   le   be       be

This patch also updates functions calls and declarations in a whole code.

Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>
Cc: Stephen Warren <swarren@nvidia.com>
Cc: Lukasz Majewski <l.majewski@samsung.com>
Cc: trini@ti.com

1 files changed, 9 insertions, 8 deletions

diff --git a/disk/part_efi.c b/disk/part_efi.c
index a280ab5..216a292 100644
--- a/disk/part_efi.c
+++ b/disk/part_efi.c
@@ -100,8 +100,8 @@ void print_part_efi(block_dev_desc_t * dev_desc)
 
 	printf("Part\tStart LBA\tEnd LBA\t\tName\n");
 	printf("\tAttributes\n");
-	printf("\tType UUID\n");
-	printf("\tPartition UUID\n");
+	printf("\tType GUID\n");
+	printf("\tPartition GUID\n");
 
 	for (i = 0; i < le32_to_cpu(gpt_head->num_partition_entries); i++) {
 		/* Stop at the first non valid PTE */
@@ -114,11 +114,11 @@ void print_part_efi(block_dev_desc_t * dev_desc)
 			print_efiname(&gpt_pte[i]));
 		printf("\tattrs:\t0x%016llx\n", gpt_pte[i].attributes.raw);
 		uuid_bin = (unsigned char *)gpt_pte[i].partition_type_guid.b;
-		uuid_bin_to_str(uuid_bin, uuid);
+		uuid_bin_to_str(uuid_bin, uuid, UUID_STR_FORMAT_GUID);
 		printf("\ttype:\t%s\n", uuid);
 		uuid_bin = (unsigned char *)gpt_pte[i].unique_partition_guid.b;
-		uuid_bin_to_str(uuid_bin, uuid);
-		printf("\tuuid:\t%s\n", uuid);
+		uuid_bin_to_str(uuid_bin, uuid, UUID_STR_FORMAT_GUID);
+		printf("\tguid:\t%s\n", uuid);
 	}
 
 	/* Remember to free pte */
@@ -165,7 +165,8 @@ int get_partition_info_efi(block_dev_desc_t * dev_desc, int part,
 	sprintf((char *)info->type, "U-Boot");
 	info->bootable = is_bootable(&gpt_pte[part - 1]);
 #ifdef CONFIG_PARTITION_UUIDS
-	uuid_bin_to_str(gpt_pte[part - 1].unique_partition_guid.b, info->uuid);
+	uuid_bin_to_str(gpt_pte[part - 1].unique_partition_guid.b, info->uuid,
+			UUID_STR_FORMAT_GUID);
 #endif
 
 	debug("%s: start 0x" LBAF ", size 0x" LBAF ", name %s", __func__,
@@ -323,7 +324,7 @@ int gpt_fill_pte(gpt_header *gpt_h, gpt_entry *gpt_e,
 		str_uuid = partitions[i].uuid;
 		bin_uuid = gpt_e[i].unique_partition_guid.b;
 
-		if (uuid_str_to_bin(str_uuid, bin_uuid)) {
+		if (uuid_str_to_bin(str_uuid, bin_uuid, UUID_STR_FORMAT_STD)) {
 			printf("Partition no. %d: invalid guid: %s\n",
 				i, str_uuid);
 			return -1;
@@ -370,7 +371,7 @@ int gpt_fill_header(block_dev_desc_t *dev_desc, gpt_header *gpt_h,
 	gpt_h->header_crc32 = 0;
 	gpt_h->partition_entry_array_crc32 = 0;
 
-	if (uuid_str_to_bin(str_guid, gpt_h->disk_guid.b))
+	if (uuid_str_to_bin(str_guid, gpt_h->disk_guid.b, UUID_STR_FORMAT_GUID))
 		return -1;
 
 	return 0;