Ticket #1451: dvdvolname.c

#include <dvdread/dvd_reader.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

int main(int argc, char **argv)
{
    int len;
    dvd_reader_t *dvdp = DVDOpen("/dev/dvd");
    char volname[33];
    char volsetid[128];

    if (!dvdp) {
        fprintf(stderr, "can't open /dev/dvd\n");
        exit(1);
    }

    memset(volname, 0, sizeof(volname));
    len = UDFGetVolumeIdentifier(dvdp, volname, sizeof(volname));
    if (len == 0) {
        printf("error: volume name zero length?\n");
    } else {
        printf("Got volname = %s\n", volname);
    }
    return (len != 0);
}