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ft_printf_utils_bonus.c
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ft_printf_utils_bonus.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_printf_utils_bonus.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: doriani <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/23 23:41:33 by doriani #+# #+# */
/* Updated: 2023/04/24 17:14:40 by doriani ### ########.fr */
/* */
/* ************************************************************************** */
#include "ft_printf_bonus.h"
#include "libft/libft.h"
static int has_char(const char *str, char c)
{
int i;
i = 0;
while (str[i])
{
if (str[i] == c)
return (1);
i++;
}
return (0);
}
static void set_flags(t_format *format, char c)
{
if (c == '-')
format->minus = 1;
else if (c == '+')
format->plus = 1;
else if (c == ' ')
format->space = 1;
else if (c == '#')
format->hash = 1;
else if (c == '0')
format->zero = 1;
}
static t_format *init_format(void)
{
t_format *format;
format = (t_format *) malloc(sizeof(t_format));
if (!format)
return (NULL);
format->minus = 0;
format->plus = 0;
format->space = 0;
format->hash = 0;
format->zero = 0;
format->min_field = 0;
format->precision = -1;
format->specifier = 0;
return (format);
}
t_format *parse_format(const char *str, int *i)
{
t_format *format;
format = init_format();
while (has_char("-+ #0", str[*i]))
set_flags(format, str[(*i)++]);
if (ft_isdigit(str[*i]))
format->min_field = ft_atoi(&str[*i]);
while (ft_isdigit(str[*i]))
(*i)++;
if (str[*i] == '.')
{
(*i)++;
format->precision = ft_atoi(&str[*i]);
}
while (ft_isdigit(str[*i]))
(*i)++;
format->specifier = str[(*i)];
return (format);
}
int write_argument(t_format *format, va_list vargs)
{
int fmt;
fmt = format->specifier;
if (fmt == 'c')
return (write_char(va_arg(vargs, int), format));
else if (fmt == 's')
return (write_string(va_arg(vargs, char *), format));
else if (fmt == 'p')
return (write_pointer(va_arg(vargs, unsigned long long int),
0, format));
else if (fmt == 'd' || fmt == 'i')
return (write_integer(va_arg(vargs, int), format));
else if (fmt == 'u')
return (write_unsigned(va_arg(vargs, unsigned int), format));
else if (fmt == 'x' || fmt == 'X')
return (write_hex(va_arg(vargs, unsigned int), fmt == 'X', format));
else if (fmt == '%')
return (write(1, "%", 1));
return (0);
}