按分隔符拆解字符串

int split_str(char *buf,int length,int number,...)
{
    va_list arglist;
    int i = 0;
    int num = 0;
    char tmpstr[1024];
    char msg[100];
    char *ptr;

    va_start(arglist, number);

    if( ((strlen(buf)+length-1)/length) > number)
    {
        sprintf(msg,"实际分割数[%d]大于要求分割数[%d]!",
            (strlen(buf)+length-1)/length,number);
        ts(msg);
        return(-1);
    }
  
    memset(tmpstr,'\0',sizeof(tmpstr));
    while(*buf!='\0')
    {
        if((*buf & 0x80) == 0x80 )  /*是否为汉字*/
        {
            tmpstr[i++]=*buf;
            buf++;
            tmpstr[i++]=*buf;
            buf++;
        }
        else
        {
            tmpstr[i++]=*buf;
            buf++;
        }

        if(i>=length)
        {

            strcpy (va_arg(arglist, char *),tmpstr);
            memset(tmpstr,'\0',sizeof(tmpstr));
            i=0;
            num++;
        }
    }

    if(num        strcpy (va_arg(arglist, char *),tmpstr);

 

    va_end(arglist);

    return 0;
}