+
+ if (dots == 0) {
+ memcpy(dst, hbox, MIN(len, maxlen));
+ return;
+ }
+
+ dst[0] = hbox[0];
+ for (int i = 1, j = 1; i < len && j < maxlen - 1; ++i) {
+ if (!strchr(SidebarBoundary, hbox[i]))
+ continue;
+
+ if (len - i <= maxlen - j) {
+ memcpy(dst, hbox + i, len - i);
+ return;
+ }
+
+ if (i == last_dot) {
+ memcpy(dst, hbox + i, maxlen - j);
+ return;
+ }
+
+ dst[j++] = hbox[i];
+ dst[j++] = hbox[i + 1];
+ }