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free_monty.c
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free_monty.c
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#include "monty.h"
/**
* free_resources - frees allocated memory and closes file pointer
*/
void free_resources(void)
{
if (args->filePointer != NULL)
fclose(args->filePointer);
free_toks();
free_args();
}
/**
* free_h - function that frees memory for the head of linked list
*/
void free_h(void)
{
if (args->head)
free_stack(args->head);
args->head = NULL;
}
/**
* free_args - function that frees memory given to args
*/
void free_args(void)
{
if (args == NULL)
return;
if (args->instruct_ptr)
{
free(args->instruct_ptr);
args->instruct_ptr = NULL;
}
free_h();
if (args->currentLine)
{
free(args->currentLine);
args->currentLine = NULL;
}
free(args);
}
/**
* free_stack - a function that frees nodes of a stack
* @head: pointer to head of stack
*/
void free_stack(stack_t *head)
{
if (head == NULL)
return;
if (head->next != NULL)
{
free_stack(head->next);
}
free(head);
}
/**
* free_toks - frees the memory allocated for tokens only
*/
void free_toks(void)
{
int h = 0;
if (args->toks == NULL)
return;
while (args->toks[h])
{
free(args->toks[h]);
h++;
}
free(args->toks);
args->toks = NULL;
}