if (*s == '@') {
/* special directive */
s++;
- length = fields[0][1] - s;
+ length = (int32_t)(fields[0][1] - s);
if (length >= NORMALIZE_DIRECTIVE_LEN
&& uprv_strncmp(s, NORMALIZE_DIRECTIVE, NORMALIZE_DIRECTIVE_LEN) == 0) {
options[NORMALIZE].doesOccur = TRUE;