void _kprintf(char *msg, __gnuc_va_list ap)
{
char *aux = msg;
int i;
while(*aux != 0) {
if (*aux == '%')
{
switch(*(++aux))
{
case 's':
aux++;
char *str = va_arg(ap, char *);
kprintf(str);
break;
case 'd':
aux++;
int val = va_arg(ap, int);
static char str_val[20];
for (i=0; i<20; i++)
str_val[i] = '\0';
int2str(val, str_val);
kprintf(str_val);
break;
default:
/* do nothing */
break;
}
}
if (*aux == '\n')
pr_putchar('\r');
pr_putchar(*aux);
aux++;
}
}
static int pr_chooseprint(va_list ap, char c)
{
if (c == 'c')
return (pr_printchar(ap));
else if (c == 's')
return (pr_printstr(ap));
else if (c == 'd' || c == 'i')
return (pr_printnbr(ap));
else if (c == 'u')
return (pr_printunsigned(ap));
else if (c == 'o')
return (pr_printoctal(ap));
else if (c == 'x')
return (pr_printhexa(ap));
else if (c == 'p')
return (pr_printvoid(ap));
else if (c == '%')
return (pr_putchar(c));
return (0);
}
int pr_printf(char const *s, ...)
{
int i;
int len;
va_list ap;
i = 0;
len = 0;
va_start(ap, s);
while (s[i] != '\0')
{
if (s[i] == '%')
{
len += pr_chooseprint(ap, s[i + 1]);
i++;
}
else if (s[i] != '%')
len += pr_putchar(s[i]);
i++;
}
va_end(ap);
return (len);
}