void ft_ech_expr(const char *str)
{
char argatoi[4];
*(3 + argatoi) = 0;
if ((*str == 'x' || ft_isdigit(*str)) && ft_ishex(*(1 + str))
&& ft_ishex(*(2 + str)))
{
*(argatoi) = (*str == 'x') ? '0' : *str;
*(1 + argatoi) = *(1 + str);
*(2 + argatoi) = *(2 + str);
if (*str == 'x')
(void) ft_putchar(ft_evalhex(argatoi));
else
(void) ft_putchar(ft_atoi(argatoi));
}
else
{
(void) ft_putchar('\\');
(void) ft_putchar(*(str));
(void) ft_putchar(*(1 + str));
(void) ft_putchar(*(2 + str));
}
return ;
}
int ft_atoi_base(const char *str, int base)
{
int signe;
int re;
int i;
int num;
int p;
i = 0;
p = ft_strlen(str) - 1;
re = 0;
signe = 1;
ft_prep(str, &i, &signe);
while (str[i] != '\0' && (num = ft_ishex(str[i])) != -1)
{
re = re + (ft_power(base, p) * num);
i++;
p--;
}
if (num == -1)
return (-1);
return (re * signe);
}
static int htoi(char *hex, int l)
{
if (*hex == 0)
return (l);
return (htoi(hex + 1, l * 16 + ft_ishex(*hex)));
}
