102 lines
2.5 KiB
C
102 lines
2.5 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* aside.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: hulamy <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2020/02/19 16:23:01 by hulamy #+# #+# */
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/* Updated: 2020/02/24 14:34:16 by hulamy ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "ft_printf.h"
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/*
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** SPECIFIER :
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** receive a word as a string, check if it start by '%', and return the
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** specifier (diuxXspefgn) and the length (h hh l ll)
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** -if s is a string, or is a single '%'
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** return NULL (to print is as a string)
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** -if s is a double '%%', remove one '%', and
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** return NULL (to print is as a string)
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** -then s is a conversion, go to the length and specifier
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** -copy them in 'string'
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** -and remove them from s
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** -return the length and specifier in a string
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*/
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char *specifier(char *s)
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{
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char *string;
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int i;
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if (s[0] != '%' || s[1] == '\0')
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return (NULL);
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if (s[1] == '%')
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{
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s[1] = '\0';
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return (NULL);
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}
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i = 1;
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while (ft_strchr("#0- +'0123456789.*", s[i]) != NULL)
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i++;
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string = ft_strdup(s + i);
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while (s[i] != '\0')
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{
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s[i] = '\0';
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i++;
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}
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return (string);
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}
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/*
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** print the string
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*/
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int ft_put_word(char *s)
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{
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int i;
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i = ft_strlen(s);
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ft_putstr(s);
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return (i);
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}
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/*
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** -receive 'i' the number in which '*' will expand
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** -turn it into a string
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** -calculate the total lentgh of the string '%...' for nbr replacing '*'
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** -allocate a new string with this length
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** -copy the original str with first '*' expanded into it's corresponding nbr
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*/
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int ft_expand_star(int nbr, char **string)
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{
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char *s;
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char *strnbr;
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int i;
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int j;
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strnbr = ft_itoa(nbr);
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i = ft_strlen(strnbr) + ft_strlen(*string) - 1;
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if (!(s = (char *)malloc(sizeof(char) * (i + 1))))
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return (0);
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s[i] = '\0';
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i = 0;
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j = 0;
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while ((*string)[i] != '\0')
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{
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s[j] = (*string)[i];
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if (s[j] == '*')
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while (*strnbr != '\0')
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s[j++] = *(strnbr++);
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else
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j++;
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i++;
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}
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free(*string);
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*string = s;
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return (1);
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}
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