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54 lines
968 B
C
54 lines
968 B
C
//
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// Created by marto on 27. 10. 25.
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//
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#ifndef CALCULATOR_STACK_H
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#define CALCULATOR_STACK_H
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typedef enum {
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StringArray,
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CharArray,
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IntArray,
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} DataType;
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typedef struct {
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DataType type;
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union {
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char **sarr;
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char *carr;
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int *narr;
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} data;
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// if i >= len, the program's guardrails have failed
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// i represents last written array space, len represents the array's length
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int i, len;
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} stack;
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typedef union {
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char ch;
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char *string;
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int n;
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} stackInput;
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typedef struct {
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stackInput data;
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int ret_code;
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} stackData;
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stack stack_init(DataType type, int len);
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void stack_deinit(stack *stack);
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int stack_push(stack *stack, stackInput input, bool pushCharToString);
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stackData stack_pop(stack *stack);
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stackData stack_get(const stack *stack, int n);
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void stack_print(const stack *stack, const char *name);
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static void clear_str_array(const stack *stack);
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#endif //CALCULATOR_STACK_H
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