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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strtok_r.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rbousset <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/14 17:07:12 by rbousset #+# #+# */
/* Updated: 2020/02/14 17:07:12 by rbousset ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include <libft.h>
static t_stok ft_cont(char *s, const char *delim)
{
t_stok stok;
t_bool inc;
stok.c = *s++;
stok.spanp = (char *)delim;
inc = TRUE;
while ((stok.sc = *stok.spanp) != '\0')
{
if (stok.c == stok.sc)
{
stok.c = *s++;
stok.spanp = (char*)delim;
inc = FALSE;
}
if (inc == TRUE)
stok.spanp++;
else
inc = TRUE;
}
stok.ns = s;
return (stok);
}
static char *ft_scan_ret(char *s, char **last, char *tok, t_stok stok)
{
if ((stok.sc = *stok.spanp++) == stok.c)
{
if (stok.c == '\0')
s = NULL;
else
s[-1] = '\0';
*last = s;
return (tok);
}
while (stok.sc != '\0')
{
if ((stok.sc = *stok.spanp++) == stok.c)
{
if (stok.c == '\0')
s = NULL;
else
s[-1] = '\0';
*last = s;
return (tok);
}
}
return (NULL);
}
static char *ft_scan_tok(char *s,
const char *delim,
char **last,
t_stok stok)
{
char *tok;
char *ret;
tok = s - 1;
while (TRUE)
{
stok.c = *s++;
stok.spanp = (char *)delim;
if ((ret = ft_scan_ret(s, last, tok, stok)) != NULL)
{
return (ret);
}
}
}
char *ft_strtok_r(char *s, const char *delim, char **last)
{
t_stok stok;
if (s == NULL && (s = *last) == NULL)
return (NULL);
stok = ft_cont(s, delim);
s = stok.ns;
if (stok.c == '\0')
*last = NULL;
if (stok.c == '\0')
return (NULL);
return (ft_scan_tok(s, delim, last, stok));
}
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