92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_printf.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: klebon <klebon@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2018/04/28 22:27:58 by klebon #+# #+# */
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/* Updated: 2019/03/07 22:16:43 by tmaze ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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void init_handler_tab(char *(*t[16])(t_conv *, va_list))
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{
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t[d] = &handle_output_i_d;
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t[D] = &handle_output_i_d;
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t[i] = &handle_output_i_d;
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t[x] = &handle_output_hexa;
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t[X] = &handle_output_hexa;
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t[p] = &handle_output_hexa;
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t[o] = &handle_output_oct;
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t[O] = &handle_output_oct;
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t[u] = handle_output_u;
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t[U] = handle_output_u;
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t[c] = &handle_output_char;
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t[C] = &handle_output_wchar;
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t[s] = &handle_output_str;
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t[S] = &handle_output_wstr;
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t[percent] = &handle_output_char;
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t[f] = &handle_output_float;
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}
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void clean_mem(t_conv *field, va_list ap)
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{
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free(field);
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va_end(ap);
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}
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int handle_conv(const char **str, t_conv *field, va_list ap, int *nb_print)
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{
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char *(*handler[16])(t_conv *, va_list);
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init_handler_tab(handler);
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(*str)++;
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if (check_fields(str, ap, field))
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{
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if (!(field->str = handler[field->fl_type](field, ap)))
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{
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clean_mem(field, ap);
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return (0);
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}
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write(1, field->str, field->str_size);
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*nb_print += field->str_size;
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free(field->str);
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}
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else
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{
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clean_mem(field, ap);
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return (0);
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}
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return (1);
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}
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int ft_printf(const char *format, ...)
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{
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va_list ap;
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const char *str;
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int nb_print_chars;
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t_conv *field;
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if (!(field = (t_conv *)malloc(sizeof(t_conv))))
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return (-1);
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va_start(ap, format);
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str = format;
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nb_print_chars = 0;
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while (str && *str)
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{
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if (*str != '%')
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{
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write(1, str, 1);
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++nb_print_chars;
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}
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else if (!(handle_conv(&str, field, ap, &nb_print_chars)))
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return (-1);
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++str;
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}
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clean_mem(field, ap);
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return (nb_print_chars);
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}
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