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ft_printf.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_printf.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rahidalg <rahidalg@student.42madrid.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/05/01 12:06:33 by rahidalg #+# #+# */
/* Updated: 2024/05/01 20:15:02 by rahidalg ### ########.fr */
/* */
/* ************************************************************************** */
#include "libftprintf.h"
static int ft_checkpercent(char const *s)
{
size_t i;
size_t count;
i = 0;
count = 0;
while (s[i])
{
count = 0;
while (s[i] == '%')
{
count++;
i++;
}
if (count != 1 && count % 2 != 0 && !ft_checkformat(s[i]))
return (-1);
if (count == 1 && !ft_checkformat(s[i]))
return (-1);
i++;
}
return (count);
}
static size_t ft_countpercent(char *s)
{
size_t i;
size_t add;
i = 0;
add = 0;
while (s[i])
{
if (s[i] == '%')
{
add++;
if (s[i + 1] == '%')
s[i + 1] = '.';
}
i++;
}
return (add);
}
static int ft_checkstr(char const *s, char **strar, size_t i)
{
if (s[0] != '%')
{
return (ft_putstr_pf(strar[i], 1));
}
return (0);
}
static int ft_printdata(va_list vargs, char **strar, size_t i)
{
char *itr;
itr = strar[i] + 1;
if (strar[i][0] == 'c')
return (ft_putchar_pf(va_arg(vargs, int), 1) + ft_putstr_pf(itr, 1));
else if (strar[i][0] == 's')
return (ft_putstr_pf(va_arg(vargs, char *), 1) + ft_putstr_pf(itr, 1));
else if (strar[i][0] == 'i')
return (ft_putnbr_pf(va_arg(vargs, int), 1) + ft_putstr_pf(itr, 1));
else if (strar[i][0] == 'd')
return (ft_putnbr_pf(va_arg(vargs, int), 1) + ft_putstr_pf(itr, 1));
else if (strar[i][0] == 'u')
return (ft_putunbr_pf(va_arg(vargs, uint), 1) + ft_putstr_pf(itr, 1));
else if (strar[i][0] == 'X')
return (ft_puthex_pf(va_arg(vargs, uint), 0, 1) + ft_putstr_pf(itr, 1));
else if (strar[i][0] == 'x')
return (ft_puthex_pf(va_arg(vargs, uint), 1, 1) + ft_putstr_pf(itr, 1));
else if (strar[i][0] == 'p')
return (ft_putvoid_pf(va_arg(vargs, unsigned long), 1, 1)
+ ft_putstr_pf(itr, 1));
else if (strar[i][0] == '.')
return (ft_putchar_pf('%', 1) + ft_putstr_pf(itr, 1));
return (0);
}
int ft_printf(char const *s, ...)
{
va_list vargs;
char **strar;
char *input;
size_t i;
int out;
if (!s || ft_strlen(s) == 0 || ft_checkpercent(s) == -1)
return (-1);
i = 0;
input = ft_strdup(s);
ft_countpercent(input);
va_start(vargs, s);
strar = ft_split(input, '%');
out = ft_checkstr(s, strar, i);
if (out != 0)
i++;
while (strar[i] && ft_vargscount(s) != 0)
{
out += ft_printdata(vargs, strar, i);
i++;
}
free(input);
ft_freear(strar);
va_end(vargs);
return (out);
}