ctool/printf/ft_printf.c
Victor Vobis 30ee6767ac bless
2024-12-10 21:24:48 +01:00

64 lines
2.0 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_printf.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: vvobis <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/04/18 17:50:35 by vvobis #+# #+# */
/* Updated: 2024/09/17 14:11:57 by vvobis ### ########.fr */
/* */
/* ************************************************************************** */
#include "ft_printf.h"
int handle_arg(va_list args, char format, int *count, int fd)
{
if (format == 'd' || format == 'i')
ft_putnbr(va_arg(args, int), count, fd);
else if (format == 'u')
ft_putnbr(va_arg(args, unsigned int), count, fd);
else if (format == 's')
ft_putstr(va_arg(args, char *), count, fd);
else if (format == 'X')
ft_puthex_upper(va_arg(args, unsigned int), count, fd);
else if (format == 'x')
ft_puthex_lower(va_arg(args, unsigned int), count, fd);
else if (format == 'p')
ft_putptr(va_arg(args, void *), count, fd);
else if (format == 'c')
ft_putchar(va_arg(args, int), count, fd);
else if (format == '%')
ft_putchar('%', count, fd);
else if (format == 'f')
ft_putnbrf(va_arg(args, double), count, 5, fd);
else
return (0);
return (1);
}
int ft_printf(const char *format, ...)
{
va_list args;
int count;
if (!format)
return (-1);
va_start(args, format);
count = 0;
while (1)
{
while (*format != '%' && *format)
ft_putchar(*format++, &count, STDOUT_FILENO);
if (!*format)
break ;
else
format++;
if (!*format || !handle_arg(args, *format, &count, STDOUT_FILENO))
return (-1);
format++;
}
va_end(args);
return (count);
}