char buf[32];
#ifdef __APPLE__
- snprintf (buf, sizeof (buf), "%u-%u-%d.peak", stat_mount.st_ino, stat_file.st_ino, _channel);
+ snprintf (buf, sizeof (buf), "%llu-%llu-%d.peak",
+ (unsigned long long)stat_mount.st_ino,
+ (unsigned long long)stat_file.st_ino,
+ _channel);
#else
snprintf (buf, sizeof (buf), "%" PRId64 "-%" PRId64 "-%d.peak", (int64_t) stat_mount.st_ino, (int64_t) stat_file.st_ino, _channel);
#endif