67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_strtok.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2017/03/07 18:08:31 by jhalford #+# #+# */
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/* Updated: 2017/11/12 14:19:22 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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/*
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** token generator
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*/
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char *ft_strtok(char *s, const char *delim)
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{
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static char *lasts;
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int ch;
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if (s == 0)
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s = lasts;
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if ((ch = *s++) == 0)
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return (0);
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while (ft_strchr(delim, ch))
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{
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if ((ch = *s++) == 0)
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return (0);
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}
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--s;
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lasts = s + ft_strcspn(s, delim);
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if (*lasts != 0)
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*lasts++ = 0;
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return (s);
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}
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/*
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** also returns empty strings in the case of multiple delimiters
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*/
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char *ft_strtok_single(char *str, char const *delims)
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{
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static char *src = NULL;
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char *p;
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char *ret;
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ret = 0;
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if (str != NULL)
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src = str;
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if (src == NULL)
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return (NULL);
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if ((p = strpbrk(src, delims)) != NULL)
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{
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*p = 0;
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ret = src;
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src = ++p;
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}
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else if (*src)
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{
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ret = src;
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src = NULL;
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}
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return (ret);
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}
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