126 lines
3.9 KiB
C
Executable file
126 lines
3.9 KiB
C
Executable file
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_printf.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: thrieg <thrieg@student.42mulhouse.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/10/21 18:24:04 by thrieg #+# #+# */
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/* Updated: 2025/02/16 19:08:03 by thrieg ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "../libft.h"
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#include "ft_printf.h"
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int ft_case_c(t_vector *vec, va_list *args);
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int ft_case_percent(t_vector *vec);
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int ft_case_s(t_vector *vec, va_list *args);
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int ft_case_p(t_vector *vec, va_list *args);
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int ft_case_u(t_vector *vec, va_list *args);
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int ft_case_x(t_vector *vec, va_list *args);
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int ft_case_upperx(t_vector *vec, va_list *args);
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int ft_case_d(t_vector *vec, va_list *args);
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int ft_case_i(t_vector *vec, va_list *args);
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int handle_percent_bonus(const char *str, t_vector *vec, va_list *args);
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//properly frees the vector and return string
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void ft_cleanup(t_vector **vec, va_list *args)
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{
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ft_free_vector(vec);
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va_end(*args);
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}
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//returns the number of characters to skip after the % sign
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//or 0 if something goes wrong
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int handle_percent(const char *str, t_vector *vec, va_list *args)
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{
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if (str[0] == '%' && str[1] == 'c')
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return (ft_case_c(vec, args));
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if (str[0] == '%' && str[1] == '%')
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return (ft_case_percent(vec));
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if (str[0] == '%' && str[1] == 's')
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return (ft_case_s(vec, args));
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if (str[0] == '%' && str[1] == 'p')
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return (ft_case_p(vec, args));
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if (str[0] == '%' && str[1] == 'u')
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return (ft_case_u(vec, args));
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if (str[0] == '%' && str[1] == 'x')
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return (ft_case_x(vec, args));
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if (str[0] == '%' && str[1] == 'X')
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return (ft_case_upperx(vec, args));
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if (str[0] == '%' && (str[1] == 'd'))
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return (ft_case_d(vec, args));
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if (str[0] == '%' && (str[1] == 'i'))
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return (ft_case_i(vec, args));
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return (handle_percent_bonus(str, vec, args));
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}
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static int ft_parsing_loop(
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t_vector *return_vector,
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const char *str,
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va_list *args
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)
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{
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char *next_percent;
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int nb_character;
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while (*str)
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{
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next_percent = ft_strchr(str, '%');
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if (!next_percent)
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{
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next_percent = ft_strchr(str, '\0');
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if (!ft_vector_concat(return_vector, str, (next_percent - str)))
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return (0);
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return (1);
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}
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if (!ft_vector_concat(return_vector, str, (next_percent - str)))
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return (0);
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str = next_percent;
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nb_character = handle_percent(str, return_vector, args);
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if (!nb_character)
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return (0);
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str += nb_character;
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str++;
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}
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return (1);
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}
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//returns the number of characters written or -1 on errors
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int ft_printf(const char *str, ...)
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{
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int nb_character;
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t_vector *return_vector;
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va_list args;
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if (!str)
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return (-1);
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va_start(args, str);
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return_vector = ft_create_vector(2);
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if (!return_vector)
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return (-1);
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if (!ft_parsing_loop(return_vector, str, &args))
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return (ft_cleanup(&return_vector, &args), -1);
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nb_character = write(1, return_vector->buffer, return_vector->index);
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return (ft_cleanup(&return_vector, &args), nb_character);
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}
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//returns the number of characters written or -1 on errors
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int ft_dprintf(int fd, const char *str, ...)
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{
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int nb_character;
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t_vector *return_vector;
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va_list args;
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if (!str)
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return (-1);
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va_start(args, str);
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return_vector = ft_create_vector(2);
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if (!return_vector)
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return (-1);
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if (!ft_parsing_loop(return_vector, str, &args))
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return (ft_cleanup(&return_vector, &args), -1);
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nb_character = write(fd, return_vector->buffer, return_vector->index);
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return (ft_cleanup(&return_vector, &args), nb_character);
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}
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