diff options
Diffstat (limited to 'libs/libc/stack.c')
| -rw-r--r-- | libs/libc/stack.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/libs/libc/stack.c b/libs/libc/stack.c index 0cbb69d..6f16709 100644 --- a/libs/libc/stack.c +++ b/libs/libc/stack.c @@ -39,11 +39,8 @@ static struct stack_node *stack_new_node(void) return node; } -static u32 stack_push_bot_node(struct stack *stack, struct stack_node *node) +NONNULL static u32 stack_push_bot_node(struct stack *stack, struct stack_node *node) { - if (!stack || !node) - return 0; - if (stack->tail) { struct stack_node *iterator = stack->tail; while (iterator) { @@ -60,11 +57,8 @@ static u32 stack_push_bot_node(struct stack *stack, struct stack_node *node) return 1; } -static u32 stack_push_node(struct stack *stack, struct stack_node *node) +NONNULL static u32 stack_push_node(struct stack *stack, struct stack_node *node) { - if (!stack || !node) - return 0; - if (stack->tail) { stack->tail->next = node; node->prev = stack->tail; @@ -97,7 +91,7 @@ u32 stack_push(struct stack *stack, void *data) void *stack_pop(struct stack *stack) { - if (!stack || !stack->tail) + if (!stack->tail) return NULL; struct stack_node *prev = stack->tail; @@ -113,7 +107,7 @@ void *stack_pop(struct stack *stack) void *stack_peek(struct stack *stack) { - if (!stack || !stack->tail) + if (!stack->tail) return NULL; return stack->tail->data; |