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Fix indenting

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This commit is contained in:
dang hai 2019-07-02 16:02:55 -07:00
parent 5160b2f8ee
commit ab3173f581
2 changed files with 40 additions and 40 deletions
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24
data_structures/stack/stack_linkedlist/main.c
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@ -5,18 +5,18 @@
int main() { int main() {
Stack_T stk; Stack_T stk;
stk = Stack_init(); stk = Stack_init();
Stack_push(stk, (int *) 1); Stack_push(stk, (int *) 1);
Stack_push(stk, (int *) 2); Stack_push(stk, (int *) 2);
Stack_push(stk, (int *) 3); Stack_push(stk, (int *) 3);
Stack_push(stk, (int *) 4); Stack_push(stk, (int *) 4);
printf("Size: %d\n", Stack_size(stk)); printf("Size: %d\n", Stack_size(stk));
Stack_print(stk); Stack_print(stk);
Stack_pop(stk); Stack_pop(stk);
printf("Stack after popping: \n"); printf("Stack after popping: \n");
Stack_print(stk); Stack_print(stk);
Stack_pop(stk); Stack_pop(stk);
printf("Stack after popping: \n"); printf("Stack after popping: \n");
Stack_print(stk); Stack_print(stk);
return 0; return 0;
} }

56
data_structures/stack/stack_linkedlist/stack.c
View File

@ -8,60 +8,60 @@
typedef struct elem { typedef struct elem {
void *val; void *val;
struct elem *next; struct elem *next;
} elem_t; } elem_t;
struct T { struct T {
int count; int count;
elem_t *head; elem_t *head;
}; };
/* Initial stack */ /* Initial stack */
T Stack_init (void) { T Stack_init (void) {
T stack; T stack;
stack = (T) malloc(sizeof(T)); stack = (T) malloc(sizeof(T));
stack->count = 0; stack->count = 0;
stack->head = NULL; stack->head = NULL;
return stack; return stack;
} }
/* Check empty stack*/ /* Check empty stack*/
int Stack_empty(T stack) { int Stack_empty(T stack) {
assert(stack); assert(stack);
return stack->count == 0; return stack->count == 0;
} }
/* Return size of the stack */ /* Return size of the stack */
int Stack_size(T stack) { int Stack_size(T stack) {
assert(stack); assert(stack);
return stack->count; return stack->count;
} }
/* Push an element into the stack */ /* Push an element into the stack */
void Stack_push(T stack, void *val) { void Stack_push(T stack, void *val) {
elem_t *t; elem_t *t;
assert(stack); assert(stack);
t = (elem_t *) malloc(sizeof(elem_t)); t = (elem_t *) malloc(sizeof(elem_t));
t->val = val; t->val = val;
t->next = stack->head; t->next = stack->head;
stack->head = t; stack->head = t;
stack->count++; stack->count++;
} }
/* Pop an element out of the stack */ /* Pop an element out of the stack */
void *Stack_pop(T stack) { void *Stack_pop(T stack) {
void *val; void *val;
elem_t *t; elem_t *t;
assert(stack); assert(stack);
assert(stack->count > 0); assert(stack->count > 0);
t = stack->head; t = stack->head;
stack->head = t->next; stack->head = t->next;
stack->count--; stack->count--;
val = t->val; val = t->val;
free(t); free(t);
return val; return val;
} }
/* Print all elements in the stack */ /* Print all elements in the stack */
@ -69,11 +69,11 @@ void Stack_print(Stack_T stack) {
assert(stack); assert(stack);
int i, size = Stack_size(stack); int i, size = Stack_size(stack);
elem_t *current_elem = stack->head; elem_t *current_elem = stack->head;
printf("Stack [Top --- Bottom]: "); printf("Stack [Top --- Bottom]: ");
for(i = 0; i < size; ++i) { for(i = 0; i < size; ++i) {
printf("%p ", (int *)current_elem->val); printf("%p ", (int *)current_elem->val);
current_elem = current_elem->next; current_elem = current_elem->next;
} }
printf("\n"); printf("\n");
} }