90 lines
2.3 KiB
C
90 lines
2.3 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_printf.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: erey-bet <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2022/10/12 16:27:59 by erey-bet #+# #+# */
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/* Updated: 2022/11/21 19:14:36 by erey-bet ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "ft_printf.h"
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#include <stdarg.h>
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static int ft_is_format(const char c)
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{
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return (c == 'c' || c == 's' || c == 'p' || c == 'i' || c == 'd'
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|| c == 'u' || c == 'x' || c == 'X' || c == '%');
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}
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static int ft_post_character_bis(char format, va_list args)
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{
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int count;
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count = 1;
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if (format == 'c')
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ft_putchar(va_arg(args, int));
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else if (format == 's')
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count = ft_putstr(va_arg(args, char *));
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else if (format == 'd' || format == 'i')
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count = ft_putnbr(va_arg(args, int));
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else if (format == 'u')
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count = ft_putunbr(va_arg(args, unsigned int));
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else if (format == 'x')
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count = ft_putnbrhex(va_arg(args, unsigned int));
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else if (format == 'X')
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count = ft_putnbrhex_upper(va_arg(args, unsigned int));
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else if (format == '%')
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ft_putchar('%');
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else if (format == 'p')
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count = ft_putvd(va_arg(args, void *));
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return (count);
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}
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static int ft_post_character(char format, va_list args)
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{
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int count;
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count = ft_post_character_bis(format, args);
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if (count == -1)
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{
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ft_putstr("(null)");
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count = 6;
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}
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else if (count == -2)
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{
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ft_putstr("(nil)");
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count = 5;
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}
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return (count);
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}
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int ft_printf(const char *str, ...)
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{
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va_list args;
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int i;
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int count;
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va_start(args, str);
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i = 0;
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count = 0;
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while (str[i])
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{
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if (str[i] == '%' && ft_is_format(str[i + 1]))
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{
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count += ft_post_character(str[i + 1], args);
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i++;
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}
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else
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{
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ft_putchar(str[i]);
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count++;
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}
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i++;
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}
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va_end(args);
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return (count);
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}
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