wmii/libcext/tokenize.c

/*
 * (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com>
 * See LICENSE file for license details.
 */

#include <string.h>

#include "cext.h"

size_t
cext_tokenize(char **result, size_t reslen, char *str, char delim)
{
    char *p, *n;
    size_t i = 0;

    if(!str)
        return 0;
    for(n = str; *n == ' '; n++);
    p = n;
    for(i = 0; *n != 0;) {
        if(i == reslen)
            return i;
        if(*n == delim) {
            *n = 0;
            if(strlen(p))
                result[i++] = p;
            p = ++n;
        } else
            n++;
    }
    if(strlen(p))
        result[i++] = p;
    return i;                   /* number of tokens */
}