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added finished algorithm

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merged algorithm from other personnal repo
This commit is contained in:
Tanguy MAZE
2019-04-22 10:13:09 +02:00
parent c6339a00e9
commit a8b2e31701
128 changed files with 5020 additions and 86 deletions
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142
libft/srcs/ft_printf_check_fields.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* check_fields.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: klebon <klebon@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/04/29 12:33:40 by klebon #+# #+# */
/* Updated: 2019/03/07 22:16:54 by tmaze ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
void check_flags(const char **str, t_conv *field)
{
while (**str == '-' || **str == '+' || **str == '0' || **str == '#'
|| **str == ' ')
{
if (**str == '-')
field->fl_minus = 1;
else if (**str == '+')
field->fl_plus = 1;
else if (**str == '0')
field->fl_zero = 1;
else if (**str == '#')
field->fl_hashtag = 1;
else if (**str == ' ')
field->fl_space = 1;
(*str)++;
}
}
void check_width(const char **str, t_conv *field, va_list ap)
{
int tmp;
if (**str == '*')
{
tmp = va_arg(ap, int);
field->fl_witdth = (tmp < 0) ? -tmp : tmp;
if (tmp < 0)
field->fl_minus = 1;
(*str)++;
}
else
{
field->fl_witdth = 0;
while (**str >= '0' && **str <= '9')
{
field->fl_witdth *= 10;
field->fl_witdth += **str - '0';
(*str)++;
}
}
}
ssize_t check_precision(const char **str, t_conv *field, va_list ap)
{
int tmp;
if (**str == '.')
{
(*str)++;
if (**str == '*')
{
if ((tmp = va_arg(ap, int)) >= 0)
field->fl_prec = tmp;
(*str)++;
}
else if (**str >= '0' && **str <= '9')
{
field->fl_prec = 0;
while (**str >= '0' && **str <= '9')
{
field->fl_prec *= 10;
field->fl_prec += **str - '0';
(*str)++;
}
}
else
field->fl_prec = 0;
}
return (1);
}
void check_size(const char **str, t_conv *field)
{
if (**str == 'h' || **str == 'l' || **str == 'j' || **str == 'z'
|| **str == 'L')
{
if (**str == 'h' && *(*str + 1) == 'h')
{
field->fl_size = hh;
(*str)++;
}
else if (**str == 'h')
field->fl_size = h;
else if (**str == 'l' && *(*str + 1) == 'l')
{
field->fl_size = ll;
(*str)++;
}
else if (**str == 'l')
field->fl_size = l;
else if (**str == 'j')
field->fl_size = l;
else if (**str == 'z')
field->fl_size = l;
else if (**str == 'L')
field->fl_size = L;
(*str)++;
}
}
ssize_t check_fields(const char **str, va_list ap, t_conv *field)
{
init_struct_conv(field);
check_flags(str, field);
check_width(str, field, ap);
if (!(check_precision(str, field, ap)))
return (0);
check_size(str, field);
if (!(check_type_one(str, field)) || !(check_type_two(str, field)))
return (0);
if ((field->fl_type != d && field->fl_type != D && field->fl_type != i
&& field->fl_type != f) || field->fl_plus == 1)
field->fl_space = 0;
if (field->fl_type < s && field->fl_prec != -1)
field->fl_zero = 0;
else if (field->fl_type < s && field->fl_prec == -1)
field->fl_prec = 1;
if (field->fl_type == C && field->fl_size == h)
field->fl_type = c;
if (field->fl_type == c && field->fl_size == l)
field->fl_type = C;
if (field->fl_type == S && field->fl_size == h)
field->fl_type = s;
if (field->fl_type == s && field->fl_size == l)
field->fl_type = S;
return (1);
}