93 lines
2.4 KiB
C
93 lines
2.4 KiB
C
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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_printf.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: adjoly <adjoly@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/11/17 16:48:37 by adjoly #+# #+# */
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/* Updated: 2023/12/06 14:27:05 by adjoly ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "ft_printf.h"
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int ft_putaddr(void *ptr)
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{
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int r;
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if (ptr == NULL)
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return (write(1, "(nil)", 5));
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write(1, "0x", 2);
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r = ft_putnbrbase_p((long unsigned int)ptr, "0123456789abcdef");
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return (2 + r);
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}
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int ft_putnbrulong(unsigned int n)
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{
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int len;
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len = 0;
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if (n < 10)
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len += write(1, &(char){n + '0'}, 1);
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else
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{
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len += ft_putnbrulong(n / 10);
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len += write(1, &(char){n % 10 + '0'}, 1);
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}
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return (len);
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}
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int ft_printconversion(char conversion, va_list args)
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{
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int count;
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count = 0;
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if (conversion == '%')
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count = ft_putchar('%');
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else if (conversion == 's')
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count = ft_putstr(va_arg(args, char *));
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else if (conversion == 'c')
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count = ft_putchar(va_arg(args, int));
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else if (conversion == 'i' || conversion == 'd')
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count = ft_putnbr(va_arg(args, int));
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else if (conversion == 'u')
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count = ft_putnbrulong(va_arg(args, unsigned int));
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else if (conversion == 'p')
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count = ft_putaddr(va_arg(args, void *));
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else if (conversion == 'x')
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count = ft_putnbrbase(va_arg(args, unsigned long), "0123456789abcdef");
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else if (conversion == 'X')
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count = ft_putnbrbase(va_arg(args, unsigned long), "0123456789ABCDEF");
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return (count);
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}
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int ft_printf(const char *format, ...)
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{
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int i;
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va_list args;
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int count;
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va_start(args, format);
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count = 0;
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i = 0;
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if (format == NULL)
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return (-1);
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while (format[i])
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{
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if (format[i] == '%')
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{
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i++;
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if (format[i])
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count += ft_printconversion(format[i], args);
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else
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return (-1);
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}
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else
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count += ft_putchar(format[i]);
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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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