Function read_bitmap

pack-bitmap.c:172–189

}

struct ewah_bitmap *read_bitmap(const unsigned char *map,
				size_t map_size, size_t *map_pos)
{
	struct ewah_bitmap *b = ewah_pool_new();

	ssize_t bitmap_size = ewah_read_mmap(b, map + *map_pos,
					     map_size - *map_pos);

	if (bitmap_size < 0) {
		error(_("failed to load bitmap index (corrupted?)"));
		ewah_pool_free(b);
		return NULL;
	}

	*map_pos += bitmap_size;

	return b;
}

/*
 * Read a bitmap from the current read position on the mmaped