A C library for creating and manipulating Bitmaps.
The bitmap is maintained in a byte array of appropriate size. Hence, it's type should be uint8_t * or something similar.
int create_bitmap(uint8_t ** bitmap, uint64_t * bitmap_size);
Used to create the bitmap. Since the bitmap is maintained as a byte array, it must be of type uint8_t or similar (might cause warnings).
void print_bitmap(uint8_t * bitmap, uint64_t bitmap_size);
Used to print the bitmap to stdout. Each bit's value is printed.
int free_bitmap(uint8_t * bitmap);
Used to free the heap memory taken up by the bitmap. This does not set bitmap to NULL.
int clear_bit(uint8_t ** bitmap, uint64_t bitno);
Used to clear the bit at bitno, i.e, set it to 0. If bitno is larger than the bitmap's size, resulting behaviour is undefined.
int set_bit(uint8_t ** bitmap, uint64_t bitno);
Used to set the bit at bitno, i.e, set it to 1. If bitno is larger than the bitmap's size, resulting behaviour is undefined.
uint64_t get_first_set_bit(uint8_t * bitmap, uint64_t bitmap_size);
Used to get the first bit of bitmap that is set to 1.
uint64_t get_first_unset_bit(uint8_t * bitmap, uint64_t bitmap_size);
Used to get the first bit of bitmap that is set to 0.
 |
Aditi Srinivas |
 |
Avinash Shenoy |