monitor: Fix using uuid128_to_str

This function always return "Unknown" regardless of the input, instead
uuidstr_to_str shall be used for UUID 128 bit format since it can return
proper friendly names:

> ACL Data RX: Handle 3585 flags 0x02 dlen 26
      ATT: Read By Group Type Response (0x11) len 21
        Attribute data length: 20
        Attribute group list: 1 entry
        Handle range: 0x0001-0x0015
        UUID: Eddystone Configuration Service (a3c87500-8ed3-4bdf-8a39-a01bebede295)

diff --git a/monitor/l2cap.c b/monitor/l2cap.c
index 93a1b20..59a3206 100644 (file)
--- a/monitor/l2cap.c
+++ b/monitor/l2cap.c
@@ -1999,6 +1999,7 @@ static void print_hex_field(const char *label, const uint8_t *data,
 static void print_uuid(const char *label, const void *data, uint16_t size)
 {
        const char *str;
+       char uuidstr[36];
 
        switch (size) {
        case 2:
@@ -2010,12 +2011,12 @@ static void print_uuid(const char *label, const void *data, uint16_t size)
                print_field("%s: %s (0x%8.8x)", label, str, get_le32(data));
                break;
        case 16:
-               str = uuid128_to_str(data);
-               print_field("%s: %s (%8.8x-%4.4x-%4.4x-%4.4x-%8.8x%4.4x)",
-                               label, str,
+               sprintf(uuidstr, "%8.8x-%4.4x-%4.4x-%4.4x-%8.8x%4.4x",
                                get_le32(data + 12), get_le16(data + 10),
                                get_le16(data + 8), get_le16(data + 6),
                                get_le32(data + 2), get_le16(data + 0));
+               str = uuidstr_to_str(uuidstr);
+               print_field("%s: %s (%s)", label, str, uuidstr);
                break;
        default:
                packet_hexdump(data, size);