#define BACKUP_SUFFIX "~"
/* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is
#define BACKUP_SUFFIX "~"
/* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is
#define WRITE_SIZE (32*1024)
#define CHUNK_SIZE (32*1024)
#define MAX_MAP_SIZE (4*1024*1024)
#define WRITE_SIZE (32*1024)
#define CHUNK_SIZE (32*1024)
#define MAX_MAP_SIZE (4*1024*1024)