+void
+applysizehints(Client *c, int *w, int *h) {
+ Bool baseismin;
+
+ /* see last two sentences in ICCCM 4.1.2.3 */
+ baseismin = c->basew == c->minw && c->baseh == c->minh;
+
+ /* set minimum possible */
+ *w = MAX(1, *w);
+ *h = MAX(1, *h);
+
+ if(!baseismin) { /* temporarily remove base dimensions */
+ *w -= c->basew;
+ *h -= c->baseh;
+ }
+
+ /* adjust for aspect limits */
+ if(c->mina > 0 && c->maxa > 0) {
+ if(c->maxa < (float)*w / *h)
+ *w = *h * c->maxa;
+ else if(c->mina < (float)*h / *w)
+ *h = *w * c->mina;
+ }
+
+ if(baseismin) { /* increment calculation requires this */
+ *w -= c->basew;
+ *h -= c->baseh;
+ }
+
+ /* adjust for increment value */
+ if(c->incw)
+ *w -= *w % c->incw;
+ if(c->inch)
+ *h -= *h % c->inch;
+
+ /* restore base dimensions */
+ *w += c->basew;
+ *h += c->baseh;
+
+ *w = MAX(*w, c->minw);
+ *h = MAX(*h, c->minh);
+
+ if(c->maxw)
+ *w = MIN(*w, c->maxw);
+
+ if(c->maxh)
+ *h = MIN(*h, c->maxh);
+}
+