// here width == ceil(sqrt(size))
unsigned first_on_last_line = (size() - 1) - (size() - 1) % width;
- XBT_DEBUG("torus size = %u ; width = %u ; height = %u ; foll = %u",
- (unsigned )size(), width,
- (unsigned )(size() / width + !!(size() % width)),
+ XBT_DEBUG("torus size = %zu ; width = %u ; height = %zu ; foll = %u",
+ size(), width, size() / width + !!(size() % width),
first_on_last_line);
for (unsigned i = 0; i < size(); i++) {
unsigned next_line;