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common/gattlib_common: Add support to compare short UUID with long one

master
Olivier Martin 2024-04-24 10:46:06 +02:00 committed by Olivier Martin
parent 9fb48aacb6
commit b3c5d2d1ed
1 changed files with 46 additions and 1 deletions
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47
common/gattlib_common.c
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@ -161,9 +161,54 @@ int gattlib_string_to_uuid(const char *str, size_t n, uuid_t *uuid) {
return ret;
}
int gattlib_uuid_to_uuid128(const uuid_t *uuid, uuid_t *long_uuid) {
if (uuid->type == SDP_UUID128) {
memcpy(long_uuid, uuid, sizeof(uuid_t));
return 0;
}
long_uuid->type = SDP_UUID128;
long_uuid->value.uuid128.data[0] = 0xEF;
long_uuid->value.uuid128.data[1] = 0x68;
long_uuid->value.uuid128.data[2] = 0x00;
long_uuid->value.uuid128.data[3] = 0x00;
long_uuid->value.uuid128.data[4] = 0x9B;
long_uuid->value.uuid128.data[5] = 0x35;
long_uuid->value.uuid128.data[6] = 0x49;
long_uuid->value.uuid128.data[7] = 0x33;
long_uuid->value.uuid128.data[8] = 0x9B;
long_uuid->value.uuid128.data[9] = 0x10;
long_uuid->value.uuid128.data[10] = 0x52;
long_uuid->value.uuid128.data[11] = 0xFF;
long_uuid->value.uuid128.data[12] = 0xA9;
long_uuid->value.uuid128.data[13] = 0x74;
long_uuid->value.uuid128.data[14] = 0x00;
long_uuid->value.uuid128.data[15] = 0x42;
if (uuid->type == SDP_UUID32) {
long_uuid->value.uuid128.data[0] = (uuid->value.uuid32 >> 24) & 0xFF;
long_uuid->value.uuid128.data[1] = (uuid->value.uuid32 >> 16) & 0xFF;
long_uuid->value.uuid128.data[2] = (uuid->value.uuid32 >> 8) & 0xFF;
long_uuid->value.uuid128.data[3] = uuid->value.uuid32 & 0xFF;
} else if (uuid->type == SDP_UUID16) {
long_uuid->value.uuid128.data[2] = uuid->value.uuid16 >> 8;
long_uuid->value.uuid128.data[3] = uuid->value.uuid16 & 0xFF;
}
return 0;
}
int gattlib_uuid_cmp(const uuid_t *uuid1, const uuid_t *uuid2) {
if (uuid1->type != uuid2->type) {
return 1;
// Convert all UUID to UUID128 format to be compared
uuid_t uuid128_1, uuid128_2;
gattlib_uuid_to_uuid128(uuid1, &uuid128_1);
gattlib_uuid_to_uuid128(uuid2, &uuid128_2);
if (memcmp(&uuid128_1.value.uuid128, &uuid128_2.value.uuid128, sizeof(uuid1->value.uuid128)) == 0) {
return 0;
} else {
return 2;
}
} else if (uuid1->type == SDP_UUID16) {
if (uuid1->value.uuid16 == uuid2->value.uuid16) {
return 0;