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manage_flags.c
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manage_flags.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* manage_flags.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: ykoh <ykoh@student.42seoul.kr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/09/02 23:32:04 by ykoh #+# #+# */
/* Updated: 2020/09/30 22:16:53 by ykoh ### ########.fr */
/* */
/* ************************************************************************** */
#include "ft_printf.h"
static void manage_plus_space(t_fs *fs)
{
if (fs->plus)
{
if (ft_strncmp(fs->num.num, "nan", 3) == 0)
return ;
if (ft_strncmp(fs->num.sign, "", 2) == 0)
fs->num.sign = "+";
}
if (fs->space)
{
if (ft_strncmp(fs->num.num, "nan", 3) == 0)
return ;
if (ft_strncmp(fs->num.sign, "", 2) == 0)
fs->num.sign = " ";
}
}
static void manage_hash_g(t_fs *fs)
{
int i;
char *tmp[2];
tmp[1] = ft_strchr(fs->num.num, 'e');
i = (tmp[1]) ? tmp[1] - fs->num.num - 1 : ft_strlen(fs->num.num) - 1;
while (i > 0 && fs->num.num[i] == '0')
i--;
if (tmp[1])
{
tmp[0] = ft_strndup(fs->num.num, i + 1);
tmp[0][i] = (tmp[0][i] == '.') ? '\0' : tmp[0][i];
tmp[1] = ft_strdup(tmp[1]);
free(fs->num.num);
fs->num.num = ft_strjoin(tmp[0], tmp[1]);
free(tmp[0]);
free(tmp[1]);
}
else
{
if (ft_strchr(fs->num.num, '.'))
fs->num.num[i + 1] = '\0';
fs->num.num[i] = (fs->num.num[i] == '.') ? '\0' : fs->num.num[i];
}
}
static void manage_hash_e(t_fs *fs)
{
char *tmp[2];
if (!ft_strchr(fs->num.num, '.'))
{
tmp[0] = ft_strndup(fs->num.num,
ft_strchr(fs->num.num, 'e') - fs->num.num);
tmp[1] = ft_strdup(ft_strchr(fs->num.num, 'e'));
free(fs->num.num);
fs->num.num = ft_strjoin(tmp[0], ".");
free(tmp[0]);
tmp[0] = fs->num.num;
fs->num.num = ft_strjoin(tmp[0], tmp[1]);
free(tmp[0]);
free(tmp[1]);
}
}
static void manage_hash(t_fs *fs)
{
char *tmp[2];
if (fs->specifier == 'o' && fs->num.num[0] != '0')
fs->num.hash = "0";
else if (fs->specifier == 'x' || fs->specifier == 'p')
fs->num.hash = "0x";
else if (fs->specifier == 'X')
fs->num.hash = "0X";
else if (fs->specifier == 'f' || fs->specifier == 'g')
{
if (!ft_strchr(fs->num.num, '.'))
{
tmp[0] = fs->num.num;
fs->num.num = ft_strjoin(fs->num.num, ".");
free(tmp[0]);
}
}
else if (fs->specifier == 'e')
manage_hash_e(fs);
}
void manage_flags(t_fs *fs)
{
if (fs->specifier == 'n' || fs->specifier == '%' || fs->specifier == 'c' ||
fs->specifier == 's')
return ;
if (fs->hash)
manage_hash(fs);
if (!fs->hash && fs->specifier == 'g')
manage_hash_g(fs);
if (fs->plus)
manage_plus_space(fs);
if (fs->space)
manage_plus_space(fs);
}