/* ************************************************************************** */
/*                                                          LE - /            */
/*                                                              /             */
/*   ft_printf_get_flags.c                            .::    .:/ .      .::   */
/*                                                 +:+:+   +:    +:  +:+:+    */
/*   By: rbousset <marvin@le-101.fr>                +:+   +:    +:    +:+     */
/*                                                 #+#   #+    #+    #+#      */
/*   Created: 2019/12/31 14:40:22 by rbousset     #+#   ##    ##    #+#       */
/*   Updated: 2019/12/31 14:40:23 by rbousset    ###    #+. /#+    ###.fr     */
/*                                                         /                  */
/*                                                        /                   */
/* ************************************************************************** */

#include <libft.h>
#include <stddef.h>
#include <stdlib.h>

/*
** Copies everything between '%' and any
** FT_PRINTF_CONV_CHARSET "cspdiuxX%"
** into the fullflag string and returns it.
** Also puts actual conv into pflist->actconv
*/

char
	*ft_printf_get_flags(const char *format, int pos, t_printflist *pflist)
{
	int		i;
	char	*nstr;
	char	*fullflag;

	i = 0;
	while (!ft_ischarset(FT_PRINTF_CONV_CHARSET, *(format + pos + i + 1))
			&& *(format + pos + i + 1))
		i++;
	if (!(fullflag = (char*)malloc((i + 1) * sizeof(char))))
		return (NULL);
	ft_memcpy(fullflag, nstr = ft_substr(format, pos + 1, i), i);
	ft_memdel(nstr);
	fullflag[i] = '\0';
	pflist->actconv = *(format + pos + i + 1);
	return (fullflag);
}