+static const char *jump_str(int delta_minutes, char *s, size_t size) {
+ if (delta_minutes == 60)
+ return "one hour forward";
+ if (delta_minutes == -60)
+ return "one hour backwards";
+ if (delta_minutes < 0) {
+ snprintf(s, size, "%i minutes backwards", -delta_minutes);
+ return s;
+ }
+ if (delta_minutes > 0) {
+ snprintf(s, size, "%i minutes forward", delta_minutes);
+ return s;
+ }
+ return "";
+}
+