#include <string.h>
#include "ucore/string.h"

int
getfields(char *str, char **args, int max, int mflag, const char *set)
{
    char r;
    int intok, narg;

    if (max <= 0)
        return 0;

    narg = 0;
    args[narg] = str;
    if (!mflag)
        narg++;
    intok = 0;
    for (;; str++) {
        r = *str;
        if (r == 0)
            break;
        if (strchr(set, r)) {
            if (narg >= max)
                break;
            *str = 0;
            intok = 0;
            args[narg] = str + 1;
            if (!mflag)
                narg++;
        } else {
            if (!intok && mflag)
                narg++;
            intok = 1;
        }
    }
    return narg;
}