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 Code:mystrtok

Code

//##############################################################################
// parse the given string into tokens
// strings within single quotes (') are considered a single token
// if called with string == NULL, it starts where it left off last call
//##############################################################################
char *mystrtok(char *string, char *delimiters)
{
    static char    *work;
    char           *start;
    int             in_quotes;
    
    if (string != NULL) work = string;
    in_quotes = 0;

    if (!(*work)) return (NULL);
    start = work;
    
    /* move forward looking for the next character in delimiters */
    while (*work) {
        if (strchr(delimiters, *work) && !in_quotes) break;
        if (*work == 0x27) in_quotes = in_quotes ? 0 : 1;
        work++;
    };
    
    // replace the delimiter with '\0' to signal end of the string
    if (*work) {
        *work = '\0';
        work++;
    }
    return (start);
}

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