Function parse_token

Engine/source/core/util/uuid.cpp:186–220

dav_parse_locktoken: Parses string produced from * dav_format_opaquelocktoken back into a xuuid_t * structure. On failure, return DAV_IF_ERROR_PARSE, * else DAV_IF_ERROR_NONE. */

 *    else DAV_IF_ERROR_NONE.
 */
static int parse_token(const char *char_token, xuuid_t *bin_token)
{
    int i;

    for (i = 0; i < 36; ++i) {
	char c = char_token[i];
	if (!isxdigit(c) &&
	    !(c == '-' && (i == 8 || i == 13 || i == 18 || i == 23)))
	    return -1;
    }
    if (char_token[36] != '\0')
	return -1;

    bin_token->time_low =
	(dav_parse_hexpair(&char_token[0]) << 24) |
	(dav_parse_hexpair(&char_token[2]) << 16) |
	(dav_parse_hexpair(&char_token[4]) << 8) |
	dav_parse_hexpair(&char_token[6]);

    bin_token->time_mid =
	(dav_parse_hexpair(&char_token[9]) << 8) |
	dav_parse_hexpair(&char_token[11]);

    bin_token->time_hi_and_version =
	(dav_parse_hexpair(&char_token[14]) << 8) |
	dav_parse_hexpair(&char_token[16]);

    bin_token->clock_seq_hi_and_reserved = dav_parse_hexpair(&char_token[19]);
    bin_token->clock_seq_low = dav_parse_hexpair(&char_token[21]);

    for (i = 6; i--;)
	bin_token->node[i] = dav_parse_hexpair(&char_token[i*2+24]);

    return 0;
}

/* format_uuid_v1 -- make a UUID from the timestamp, clockseq, and node ID */
static void format_uuid_v1(xuuid_t * uuid, unsigned16 clock_seq,