src/util/stack.h


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#pragma once

#include <stddef.h>
#include <stdbool.h>

struct Stack {
    size_t size;
    size_t capacity;
    void* data;
};

void stack_init(struct Stack* stack, size_t size);
void stack_push(struct Stack* stack, void* data, size_t len);
void* stack_pop(struct Stack* stack, size_t len);
void stack_free(struct Stack* stack);

inline void stack_push_int(struct Stack* stack, int value) { 
    stack_push(stack, &value, sizeof(int)); 
}

inline bool stack_pop_int(struct Stack* stack, int* value) { 
    void* d = stack_pop(stack, sizeof(int));
    if (d == NULL) return false;
    *value = *(int*)(d);
    return true;
}