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feat: adding functions around printf

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adding printf / dprint / vdprintf function
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Raphael 2025-09-19 16:11:38 +02:00
parent 6b031c344a
commit d81193d698
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1 changed files with 72 additions and 0 deletions
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_printf.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/09/17 17:44:34 by rparodi #+# #+# */
/* Updated: 2025/09/19 15:35:38 by rparodi ### ########.fr */
/* */
/* ************************************************************************** */
#include "ft_printf.h"
#include <stdarg.h>
#include <stddef.h>
#include <stdio.h>
#include <unistd.h>
static int print_buff(int fd, const char *s, size_t start, size_t end)
{
return (write(fd, s + start, (end - start)));
}
int ft_vdprintf(int fd, const char *s, va_list args)
{
size_t i;
size_t temp;
int to_ret;
if (!s)
return (-1);
i = 0;
to_ret = 0;
temp = 0;
while (s[i])
{
if (s[i] == '%')
{
to_ret += print_buff(fd, s, temp, i);
if (s[++i])
to_ret += flag_managenent(fd, s[i], args);
else
return (write(1, &s[i - 1], 1) + to_ret);
temp = i + 1;
}
i++;
}
to_ret += print_buff(fd, s, temp, i);
return (to_ret);
}
int ft_dprintf(int fd, const char *s, ...)
{
int to_ret;
va_list args;
va_start(args, s);
to_ret = ft_vdprintf(fd, s, args);
va_end(args);
return (to_ret);
}
int ft_printf(const char *s, ...)
{
int to_ret;
va_list args;
va_start(args, s);
to_ret = ft_vdprintf(1, s, args);
va_end(args);
return (to_ret);
}