diff options
| author | Tucker Evans <tucker@tuckerevans.com> | 2020-07-06 11:06:44 -0400 | 
|---|---|---|
| committer | Tucker Evans <tucker@tuckerevans.com> | 2020-07-06 11:06:44 -0400 | 
| commit | a7dda0e0060d868c8a797b5a05b64d1aa09548d7 (patch) | |
| tree | 8f7446e4dc3d68f6257c84486237b8708c4e6d15 /collections/double_ended_queue | |
| parent | f824589fa4b0ba111df624a8927c899bc1e0ca20 (diff) | |
Fix organize functions order in double ended queue src files
Diffstat (limited to 'collections/double_ended_queue')
| -rw-r--r-- | collections/double_ended_queue/double_ended_queue.c | 269 | ||||
| -rw-r--r-- | collections/double_ended_queue/double_ended_queue.h | 34 | 
2 files changed, 150 insertions, 153 deletions
| diff --git a/collections/double_ended_queue/double_ended_queue.c b/collections/double_ended_queue/double_ended_queue.c index f5e9880..4872150 100644 --- a/collections/double_ended_queue/double_ended_queue.c +++ b/collections/double_ended_queue/double_ended_queue.c @@ -28,6 +28,19 @@ struct double_ended_queue {  	int beg, end, limit;  }; +void deq_debug_print(root) +deq *root; +{ +	void **tmp; + +	fprintf(stderr, "DEQ[base: %p, beg: %d, end:%d]:\n\t ", +			root->base, root->beg, root->end); +	for (tmp = root->base; tmp < root->base + root->limit; tmp++){ +		fprintf(stderr, "[%p]", *tmp); +	} +	fprintf(stderr, "\n"); +} +  deq* deq_new()  {  	deq *root; @@ -111,16 +124,37 @@ deq *root;  	root->base = tmp;  } -void* deq_index(root, index) +deq* deq_cp(root)  deq *root; -int index;  { -	void **tmp; +	deq *copy; -	if (!root || !DEQ_IN_BOUNDS(root,index)) -		return NULL; +	copy = deq_with_capacity(root->limit); +	assert(copy->base); -	return root->base[(root->beg + index) % root->limit]; +	copy->base = memcpy(copy->base, root->base, +			root->limit * sizeof(void*)); +	assert(copy->base); + +	copy->beg = root->beg; +	copy->end = root->end; + +	return copy; +} + +void deq_print(root, to_string) +deq *root; +char* to_string(void*); +{ +	int i, size;; + +	size = deq_size(root); + +	printf("["); +	for (i = 0; i < size; i++) { +		printf("%s,", to_string(deq_index(root, i))); +	} +	printf("\b]\n");  }  void deq_push_front(root, item) @@ -163,54 +197,23 @@ void *item;  		root->end = root->limit;  } -void deq_set(root, index, item) +void* deq_front(root)  deq *root; -int index; -void *item;  { -	if (!root || !DEQ_IN_BOUNDS(root, index)) -		return; -	root->base[(root->beg + index) % root->limit] = item; +	if (!root) +		return NULL; + +	return root->base[root->beg];  } -void deq_insert(root, index, item) +void* deq_back(root)  deq *root; -int index; -void *item;  {  	if (!root) -		return; - -	if (index > deq_size(root)) -		return; - -	if (root->end >= root->limit) -		deq_resize(root); - -	index = (root->beg + index) % root->limit; - -	if (root->beg < root->end) { -		memmove(root->base + index + 1, root->base + index, -				(root->end - index) * sizeof(void*)); -		++root->end; -		root->end = root->end % root->limit; -	} else if (index < root->end) { -		memmove(root->base + index + 1, -				root->base + index, -				(root->end - index) * sizeof(void*)); -		++root->end; -	} else { -		memmove(root->base + root->beg - 1, root->base + root->beg, -				(index - root->beg) * sizeof(void*)); -		--root->beg; -	} - -	if (root->end == root->beg) -		root->end = root->limit; +		return NULL; -	root->base[index] = item; +	return root->base[(root->end - 1) % root->limit];  } -  void* deq_pop_front(root)  deq *root;  { @@ -238,52 +241,64 @@ deq *root;  	return root->base[root->end];  } -void* deq_swap_rm_front(root, index) +void deq_set(root, index, item)  deq *root;  int index; +void *item;  { -	if (!root || !DEQ_IN_BOUNDS(root,index)) -		return NULL; - -	deq_swap(root, 0, index); -	return deq_pop_front(root); +	if (!root || !DEQ_IN_BOUNDS(root, index)) +		return; +	root->base[(root->beg + index) % root->limit] = item;  } -void* deq_swap_rm_back(root, index) +void* deq_index(root, index)  deq *root;  int index;  { +	void **tmp; +  	if (!root || !DEQ_IN_BOUNDS(root,index))  		return NULL; -	deq_swap(root,deq_size(root) - 1,index); -	return deq_pop_back(root); +	return root->base[(root->beg + index) % root->limit];  } -void deq_swap(root, i, j) +void deq_insert(root, index, item)  deq *root; -int i, j; +int index; +void *item;  { -	int len; -	void *tmp; -  	if (!root)  		return; -	len = deq_size(root); - -	if (i >= len || j >= len) +	if (index > deq_size(root))  		return; -	i += root->beg; -	i %= root->limit; +	if (root->end >= root->limit) +		deq_resize(root); -	j += root->beg; -	j %= root->limit; +	index = (root->beg + index) % root->limit; -	tmp = root->base[i]; -	root->base[i] = root->base[j]; -	root->base[j] = tmp; +	if (root->beg < root->end) { +		memmove(root->base + index + 1, root->base + index, +				(root->end - index) * sizeof(void*)); +		++root->end; +		root->end = root->end % root->limit; +	} else if (index < root->end) { +		memmove(root->base + index + 1, +				root->base + index, +				(root->end - index) * sizeof(void*)); +		++root->end; +	} else { +		memmove(root->base + root->beg - 1, root->base + root->beg, +				(index - root->beg) * sizeof(void*)); +		--root->beg; +	} + +	if (root->end == root->beg) +		root->end = root->limit; + +	root->base[index] = item;  }  void deq_remove(root, index) @@ -308,76 +323,54 @@ int index;  	}  } -/* Note: Elements are not freed - * deq_clear should be called before if they are no longer needed. - */ -void deq_free(root) +void deq_swap(root, i, j)  deq *root; +int i, j;  { -	free(root->base); -	root->base = NULL; +	int len; +	void *tmp; -	free(root); -} +	if (!root) +		return; -void deq_clear(root) -deq *root; -{ -	int i, size; +	len = deq_size(root); -	size = deq_size(root); -	for (i = 0; i < size; i++) { -		free(deq_index(root, i)); -	} -} +	if (i >= len || j >= len) +		return; -void deq_print(root, to_string) -deq *root; -char* to_string(void*); -{ -	int i, size;; +	i += root->beg; +	i %= root->limit; -	size = deq_size(root); +	j += root->beg; +	j %= root->limit; -	printf("["); -	for (i = 0; i < size; i++) { -		printf("%s,", to_string(deq_index(root, i))); -	} -	printf("\b]\n"); +	tmp = root->base[i]; +	root->base[i] = root->base[j]; +	root->base[j] = tmp;  } -void deq_debug_print(root) +void* deq_swap_rm_front(root, index)  deq *root; +int index;  { -	void **tmp; +	if (!root || !DEQ_IN_BOUNDS(root,index)) +		return NULL; -	fprintf(stderr, "DEQ[base: %p, beg: %d, end:%d]:\n\t ", -			root->base, root->beg, root->end); -	for (tmp = root->base; tmp < root->base + root->limit; tmp++){ -		fprintf(stderr, "[%p]", *tmp); -	} -	fprintf(stderr, "\n"); +	deq_swap(root, 0, index); +	return deq_pop_front(root);  } -deq* deq_cp(root) +void* deq_swap_rm_back(root, index)  deq *root; +int index;  { -	deq *copy; - -	copy = deq_with_capacity(root->limit); -	assert(copy->base); - -	copy->base = memcpy(copy->base, root->base, -			root->limit * sizeof(void*)); -	assert(copy->base); - -	copy->beg = root->beg; -	copy->end = root->end; +	if (!root || !DEQ_IN_BOUNDS(root,index)) +		return NULL; -	return copy; +	deq_swap(root,deq_size(root) - 1,index); +	return deq_pop_back(root);  } -/*Note: Does not currently reduce memory footprint*/  void deq_truncate(root, size)  deq *root;  int size; @@ -388,24 +381,6 @@ int size;  	root->end = (root->beg + size) % root->limit;  } -void* deq_front(root) -deq *root; -{ -	if (!root) -		return NULL; - -	return root->base[root->beg]; -} - -void* deq_back(root) -deq *root; -{ -	if (!root) -		return NULL; - -	return root->base[(root->end - 1) % root->limit]; -} -  void deq_reserve(root, size)  deq *root;  int size; @@ -439,3 +414,23 @@ int size;  	free(root->base);  	root->base = tmp;  } + +void deq_clear(root) +deq *root; +{ +	int i, size; + +	size = deq_size(root); +	for (i = 0; i < size; i++) { +		free(deq_index(root, i)); +	} +} + +void deq_free(root) +deq *root; +{ +	free(root->base); +	root->base = NULL; + +	free(root); +} diff --git a/collections/double_ended_queue/double_ended_queue.h b/collections/double_ended_queue/double_ended_queue.h index df3b038..790015c 100644 --- a/collections/double_ended_queue/double_ended_queue.h +++ b/collections/double_ended_queue/double_ended_queue.h @@ -11,33 +11,35 @@ deq* deq_with_capacity(int);  int deq_size(deq*);  int deq_capacity(deq*);  deq* deq_cp(deq*); - -/* Note: Elements are not freed - * deq_clear should be called before if they are no longer needed.*/ -void deq_free(deq*); - -/*Free all elements within queue*/ -void deq_clear(deq*); +void deq_print(deq*, char* (void*));  /*data*/  void deq_push_front(deq*, void*);  void deq_push_back(deq*, void*); -void deq_set(deq*, int, void*); -void deq_insert(deq*, int, void*); +void* deq_front(deq*); +void* deq_back(deq*);  void* deq_pop_front(deq*);  void* deq_pop_back(deq*); + +void deq_set(deq*, int, void*);  void* deq_index(deq*, int); -void* deq_front(deq*); -void* deq_back(deq*); -void* deq_swap_rm_front(deq*, int); -void* deq_swap_rm_back(deq*, int); + +void deq_insert(deq*, int, void*); +void deq_remove(deq*, int);  void deq_swap(deq*, int, int); +void* deq_swap_rm_front(deq*, int); +void* deq_swap_rm_back(deq*, int); -/*Note: Does not currently reduce memory footprint*/ +/*memory*/  void deq_truncate(deq*, int); +	/*Note: Does not currently reduce memory footprint*/  void deq_reserve(deq*, int); -void deq_remove(deq*, int); -void deq_print(deq*, char* (void*)); +void deq_clear(deq*); +	/*Free all elements within queue*/ +void deq_free(deq*); +	/* Note: Elements are not freed +	 * deq_clear should be called before if they are no longer needed.*/ +  #endif | 
