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strplit better

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Jack Halford 2016-11-05 17:58:34 +01:00
parent 2f7b7a1b2b
commit 856413ee7c
1 changed files with 33 additions and 85 deletions
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118
libft/src/str/ft_strsplit.c
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@ -6,100 +6,48 @@
/* By: jhalford <marvin@42.fr> +#+ +:+ +#+ */ /* By: jhalford <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */ /* +#+#+#+#+#+ +#+ */
/* Created: 2016/11/03 14:58:40 by jhalford #+# #+# */ /* Created: 2016/11/03 14:58:40 by jhalford #+# #+# */
/* Updated: 2016/11/03 15:00:19 by jhalford ### ########.fr */ /* Updated: 2016/11/05 17:58:23 by jhalford ### ########.fr */
/* */ /* */
/* ************************************************************************** */ /* ************************************************************************** */
#include "libft.h" #include "libft.h"
static char **alloc_table(char **table, const char *str, char c) static int countwords(char const *s, char c)
{ {
int i; if (c == '\0')
int n_words; return ((*s == '\0') ? 0 : 1);
while (*s == c)
i = 0; s++;
n_words = 0; if (*s == '\0')
while (str[i] == c) return (0);
i++; while (*s != c && *s != '\0')
while (str[i] != '\0') s++;
{ return (1 + countwords(s, c));
i++;
if (str[i] == c)
{
n_words++;
while (str[i] == c)
i++;
}
}
if (str[i - 1] != c)
n_words++;
table = (char**)malloc(sizeof(*table) * (n_words + 10));
table[n_words] = 0;
return (table);
}
static char **alloc_words(char **table, const char *str, char c)
{
int i;
int j;
int k;
i = 0;
j = 0;
k = 0;
while (str[i] == c)
i++;
while (str[i] != '\0')
{
i++;
if (str[i] == c || !str[i])
{
table[j] = (char*)malloc(sizeof(**table) * (k + 10));
j++;
k = 0;
while (str[i] == c)
i++;
}
k++;
}
return (table);
}
static char **fill_table(char **table, const char *str, char c)
{
int i;
int j;
int k;
i = 0;
j = 0;
k = 0;
while (str[i] == c)
i++;
while (str[i] != '\0')
{
table[j][k] = str[i];
i++;
k++;
if (str[i] == c || !str[i])
{
table[j][k] = '\0';
j++;
k = 0;
while (str[i] == c)
i++;
}
}
return (table);
} }
char **ft_strsplit(char const *s, char c) char **ft_strsplit(char const *s, char c)
{ {
char **table; char **arr;
int i;
int j;
int w;
table = 0; w = countwords(s, c);
table = alloc_table(table, s, c); if ((arr = (char **)malloc((w + 1) * sizeof(char *))))
table = alloc_words(table, s, c); {
table = fill_table(table, s, c); i = 0;
return (table); while (i < w)
{
while (*s == c)
++s;
j = 0;
while (*(s + j) != c)
++j;
if ((arr[i] = ft_strnew(j)))
ft_strncpy(arr[i++], s, j);
s += j;
}
arr[i] = 0;
}
return (arr);
} }