old = src;
n = utf8_width((const char**)&src, NULL);
if (!src) /* broken utf-8, do nothing */
- return;
+ goto out;
if (n && w >= pos && w < pos + width) {
if (subst) {
memcpy(dst, subst, subst_len);
}
strbuf_setlen(&sb_dst, dst - sb_dst.buf);
strbuf_swap(sb_src, &sb_dst);
+out:
strbuf_release(&sb_dst);
}