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ft_printf.c
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ft_printf.c
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/* ************************************************************************** */
/* */
/* :::::::: */
/* ft_printf.c :+: :+: */
/* +:+ */
/* By: jaberkro <[email protected]> +#+ */
/* +#+ */
/* Created: 2021/11/29 11:27:37 by jaberkro #+# #+# */
/* Updated: 2022/01/04 13:52:49 by Jorien ######## odam.nl */
/* */
/* ************************************************************************** */
#include "libft.h"
static int ft_choose(const char *fmt, int counter, va_list ap, int out)
{
if (fmt[counter + 1] == 'c')
return (ft_putchar_fd(va_arg(ap, int), 1));
else if (fmt[counter + 1] == '%')
return (ft_putchar_fd('%', 1));
else if (fmt[counter + 1] == 's')
{
out = ft_putstr_fd(va_arg(ap, char *), 1);
if (out == -1)
return (ft_putstr_fd("(null)", 1));
return (out);
}
else if (fmt[counter + 1] == 'd' || fmt[counter + 1] == 'i')
return (ft_putnbr_fd(va_arg(ap, int), 1));
else if (fmt[counter + 1] == 'u')
return (ft_putunbr_fd(va_arg(ap, unsigned int), 1));
else if (fmt[counter + 1] == 'x')
return (ft_puthex_fd(va_arg(ap, unsigned int), 0, 1));
else if (fmt[counter + 1] == 'X')
return (ft_puthex_fd(va_arg(ap, unsigned int), 1, 1));
else if (fmt[counter + 1] == 'p')
{
ft_putstr_fd("0x", 1);
return (2 + ft_puthex_fd(va_arg(ap, unsigned long), 0, 1));
}
return (0);
}
int ft_printf(const char *fmt, ...)
{
va_list ap;
int counter;
int totalcount;
int quotecounter;
counter = 0;
totalcount = 0;
quotecounter = 0;
va_start(ap, fmt);
while (fmt[counter])
{
if (fmt[counter] != '%')
totalcount += ft_putchar_fd(fmt[counter], 1);
else
{
totalcount += ft_choose(fmt, counter, ap, 0);
counter++;
}
counter++;
}
return (totalcount);
}