long time, increment;
char *s = tcString;
- if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
+ if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
do {
if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
nextSession = s; suddenDeath = moves == 0 && increment == 0;