errorList.c

#include <stdlib.h>
#include <string.h>
#include "errorList.h"


/*add new error*/
error* add_error(char errorDescription[], error *prev) {
    error *newError = (error*)malloc(sizeof(error));
    if (newError == NULL) {
        printf("Memory allocation failed.\n");
        return NULL;
    }
    strcpy(newError->errorDescription, errorDescription);
    newError->previous = prev;
    return newError;
}
/*print error list in reverse order using recursion */
void print_error_list(error *ptr){
    if (ptr==NULL)
        return;
    if (ptr->previous == NULL){
        printf("%s\n", ptr->errorDescription);
        return;
        }
    print_error_list(ptr->previous);
    printf("%s\n", ptr->errorDescription);
    }


/*gets the last node in the list and free the memory allocated to the entire list*/
void free_error_list(error *ptr){
    error *prev;
    while (ptr != NULL){
    prev = ptr->previous;
    free(ptr);
    ptr = prev;
    }
}