+rethink_leds(void)
+{
+ if (!leds_care || !x11_dpy)
+ return;
+
+ leds_want = 0;
+ CLIST_FOR_EACH(struct mbox *, b, mboxes)
+ if (b->o.led > 0 && b->new)
+ leds_want |= (1 << b->o.led);
+ sync_leds();
+}
+
+struct osd_params {
+ struct mbox *mbox;
+ int total_new;
+};
+
+static int
+format_osd_string(char *dest, char *src, struct osd_params *par)
+{
+ char *stop = dest + OSD_MSG_SIZE - 1;
+ char numbuf[16];
+
+ while (*src && dest < stop)
+ {
+ if (*src == '%')
+ {
+ src++;
+ int size = 0;
+ while (*src >= '0' && *src <= '9')
+ size = 10*size + *src++ - '0';
+ if (!size || size > stop-dest)
+ size = dest-stop;
+
+ int spec = *src++;
+ if (!spec)
+ break;
+
+ char *arg = numbuf;
+ switch (spec)
+ {
+ case 'f':
+ arg = par->mbox->sender_snippet;
+ break;
+ case 's':
+ arg = par->mbox->subject_snippet;
+ break;
+ case 'n':
+ snprintf(numbuf, sizeof(numbuf), "%d", par->total_new);
+ break;
+ case 'm':
+ if (par->total_new < 2)
+ return 0;
+ snprintf(numbuf, sizeof(numbuf), "%d", par->total_new - 1);
+ break;
+ case '%':
+ arg = "%";
+ break;
+ default:
+ arg = "???";
+ break;
+ }
+
+ while (*arg && size)
+ {
+ *dest++ = *arg++;
+ size--;
+ }
+ }
+ else
+ *dest++ = *src++;
+ }
+ *dest = 0;
+ return 1;
+}
+
+static void
+format_osd(char *msg, struct osd_params *par)