#include <stdlib.h>
#include <stdio.h>

#include "str.h"

void
clearStr(struct Str *str)
{
    *(str->end = str->cstr) = 0;
}

void
appendCharToStr(struct Str *str, char c)
{
    // check if another character and 0 byte fits into string
    if (str->end - str->cstr + 2 > sizeof(str->cstr)) {
        fprintf(stderr, "error in appendCharToStr: string too long\n");
        exit(1);
    }

    *str->end++ = c;
    *str->end = 0;
}