39 typedef unsigned long u64;  typedef
48 static u64 get_free_space(const char * const path) {  in get_free_space()
56         return (u64)s.f_bsize * (u64)s.f_bfree;  in get_free_space()
60 static u64 get_random_num(const u64 start, const u64 end) {  in get_random_num()
65         return start + (((u64)random() << 31) | (u64)random()) % (end - start);  in get_random_num()
73 static bool create_unique_file(const char * const dir_path, const u64 size,  in create_unique_file()
74                                const u64 id, char * const base,  in create_unique_file()
75                                const u64 base_length) {  in create_unique_file()
76     u64 length = 0;  in create_unique_file()
139 static bool puncture_fs (const char * const path, const u64 total_size,  in puncture_fs()
140                          const u64 hole_size, const u64 total_hole_size) {  in puncture_fs()
141     u64 increments = (hole_size * total_size) / total_hole_size;  in puncture_fs()
142     u64 hole_max;  in puncture_fs()
143     u64 starting_max = 0;  in puncture_fs()
144     u64 ending_max = increments;  in puncture_fs()
147     u64 file_id = 1;  in puncture_fs()
149     u64 i = 0;  in puncture_fs()
208     u64 total_size = 0;  in main()
209     u64 hole_size = 0;  in main()
210     u64 total_hole_size = 0;  in main()