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monty_funcs_2.c
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monty_funcs_2.c
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/*
* File: monty_funcs_2.c
* Auth: Faith Nyaberi
* Peter Ochieng
*/
#include "monty.h"
void monty_add(stack_t **stack, unsigned int line_number);
void monty_sub(stack_t **stack, unsigned int line_number);
void monty_div(stack_t **stack, unsigned int line_number);
void monty_mul(stack_t **stack, unsigned int line_number);
void monty_mod(stack_t **stack, unsigned int line_number);
/**
* monty_add - function adds the top two values of a stack_t linked list.
* @stack: A pointer to the top mode node of a stack_t linked list.
* @line_number: current working line number of a Monty bytecodes file.
*
* Description: The result is stored in the second value node
* from the top and the top value is removed.
*/
void monty_add(stack_t **stack, unsigned int line_number)
{
if ((*stack)->next == NULL || (*stack)->next->next == NULL)
{
set_op_tok_error(short_stack_error(line_number, "add"));
return;
}
(*stack)->next->next->n += (*stack)->next->n;
monty_pop(stack, line_number);
}
/**
* monty_sub - Subtracts the second value from the top of
* a stack_t linked list by the top value.
* @stack: A pointer to the top mode node of a stack_t linked list.
* @line_number: The current working line number of a Monty bytecodes file.
*
* Description: The result is stored in the second value node
* from the top and the top value is removed.
*/
void monty_sub(stack_t **stack, unsigned int line_number)
{
if ((*stack)->next == NULL || (*stack)->next->next == NULL)
{
set_op_tok_error(short_stack_error(line_number, "sub"));
return;
}
(*stack)->next->next->n -= (*stack)->next->n;
monty_pop(stack, line_number);
}
/**
* monty_div - Divides the second value from the top of
* a stack_t linked list by the top value.
* @stack: A pointer to the top mode node of a stack_t linked list.
* @line_number: The current working line number of a Monty bytecodes file.
*
* Description: The result is stored in the second value node
* from the top and the top value is removed.
*/
void monty_div(stack_t **stack, unsigned int line_number)
{
if ((*stack)->next == NULL || (*stack)->next->next == NULL)
{
set_op_tok_error(short_stack_error(line_number, "div"));
return;
}
if ((*stack)->next->n == 0)
{
set_op_tok_error(div_error(line_number));
return;
}
(*stack)->next->next->n /= (*stack)->next->n;
monty_pop(stack, line_number);
}
/**
* monty_mul - Multiplies the second value from the top of
* a stack_t linked list by the top value.
* @stack: A pointer to the top mode node of a stack_t linked list.
* @line_number: The current working line number of a Monty bytecodes file.
*
* Description: The result is stored in the second value node
* from the top and the top value is removed.
*/
void monty_mul(stack_t **stack, unsigned int line_number)
{
if ((*stack)->next == NULL || (*stack)->next->next == NULL)
{
set_op_tok_error(short_stack_error(line_number, "mul"));
return;
}
(*stack)->next->next->n *= (*stack)->next->n;
monty_pop(stack, line_number);
}
/**
* monty_mod - Computes the modulus of the second value from the
* top of a stack_t linked list by the top value.
* @stack: A pointer to the top mode node of a stack_t linked list.
* @line_number: The current working line number of a Monty bytecodes file.
*
* Description: The result is stored in the second value node
* from the top and the top value is removed.
*/
void monty_mod(stack_t **stack, unsigned int line_number)
{
if ((*stack)->next == NULL || (*stack)->next->next == NULL)
{
set_op_tok_error(short_stack_error(line_number, "mod"));
return;
}
if ((*stack)->next->n == 0)
{
set_op_tok_error(div_error(line_number));
return;
}
(*stack)->next->next->n %= (*stack)->next->n;
monty_pop(stack, line_number);
}