42/d07/ex04/ft_split_whitespaces.c
2016-11-20 02:20:23 +02:00

91 lines
2.4 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_split_whitespaces.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: gtertysh <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/11/05 12:42:22 by gtertysh #+# #+# */
/* Updated: 2016/11/08 12:01:19 by gtertysh ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdlib.h>
#include <stdio.h>
char **ft_split_whitespaces(char *str)
{
char **table;
char *str_begin;
int words;
int word_exist;
int chars_in_word;
int word_position;
int char_position;
// count words in string
str_begin = str;
words = 0;
while (*str)
{
while (*str == ' ' || *str == '\t' || *str == '\n')
str++;
word_exist = 0;
while (*str != ' ' && *str != '\t' && *str != '\n' && *str)
{
str++;
word_exist = 1;
}
if (word_exist)
words++;
}
// allocate memory for word pointers
table = (char **)malloc(sizeof(char *) * (words + 1));
// count chars in word, allocate memory for current word
// and fill allocated memory
str = str_begin;
word_position = 0;
while (*str)
{
while (*str == ' ' || *str == '\t' || *str == '\n')
str++;
chars_in_word = 0;
while (*str != ' ' && *str != '\t' && *str != '\n' && *str)
{
str++;
chars_in_word++;
}
table[word_position] = (char *)malloc(sizeof(char) * (chars_in_word + 1));
if (!chars_in_word)
break;
char_position = 0;
while (chars_in_word)
{
table[word_position][char_position] = *(str - chars_in_word);
chars_in_word--;
char_position++;
}
table[word_position][char_position] = '\0';
word_position++;
}
printf("%d\n", word_position);
table[word_position] = 0;
return (table);
}
int main(int argc, char **argv)
{
char **a;
int i;
i = 0;
//a = ft_split_whitespaces(argv[1]);
a = ft_split_whitespaces("a1 234 ");
while (a[i])
{
printf("%s\n", a[i++]);
}
return(0);
}