getowner.c

#include "common.h"
#include <string.h>

int main (int argc, char **argv)
{
        njb_t njbs[NJB_MAX_DEVICES], *njb;
        int n, opt, debug;
        char *ownerstring;
        extern char *optarg;
        char *lang;

        debug= 0;
        while ( (opt= getopt(argc, argv, "D:")) != -1 ) {
                switch (opt) {
                case 'D':
                        debug= atoi(optarg);
                        break;
                default:
                        fprintf(stderr, "usage: getowner [ -D debuglvl ]\n");
                        return 1;
                }
        }

        if ( debug ) NJB_Set_Debug(debug);

        /*
         * Check environment variables $LANG and $LC_CTYPE
         * to see if we want to support UTF-8 unicode
         * $LANG = "xx_XX.UTF-8" or $LC_CTYPE = "?"
         * trigger unicode support.
         */
        lang = getenv("LANG");
        if (lang != NULL) {
          if (strlen(lang) > 5) {
            if (!strcmp(&lang[strlen(lang)-5], "UTF-8")) {
               NJB_Set_Unicode(NJB_UC_UTF8);
            }
          }
        }

        if (NJB_Discover(njbs, 0, &n) == -1) {
          fprintf(stderr, "could not locate any jukeboxes\n");
          return 1;
        }

        if ( n == 0 ) {
                fprintf(stderr, "No NJB devices found\n");
                return 1;
        }

        njb = njbs;
        if ( NJB_Open(njb) == -1 ) {
                NJB_Error_Dump(njb, stderr);
                return 1;
        }

        ownerstring = NJB_Get_Owner_String (njb);
        if (ownerstring != NULL) {
          printf("Owner string: %s\n", ownerstring);
          free(ownerstring);
        } else {
          fprintf(stderr, "could not retrieve owner string\n");
          NJB_Error_Dump(njb, stderr);
        }

        NJB_Close(njb);
        return 0;
}

---