/** * \file trexist.c * Example program to check if a certain track exists on the device. * * Copyright (C) 2006 The libmtp development team. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #include "common.h" #include #include static void usage (void) { fprintf(stderr, "trexist \n"); } int main (int argc, char **argv) { LIBMTP_mtpdevice_t *device; uint32_t id; char *endptr; fprintf(stdout, "libmtp version: " LIBMTP_VERSION_STRING "\n\n"); // We need track ID if ( argc != 2 ) { usage(); return 1; } // Sanity check song ID id = strtoul(argv[1], &endptr, 10); if ( *endptr != 0 ) { fprintf(stderr, "illegal value %s\n", argv[1]); return 1; } else if ( ! id ) { fprintf(stderr, "bad song id %u\n", id); return 1; } LIBMTP_Init(); device = LIBMTP_Get_First_Device(); if (device == NULL) { printf("No devices. Connect/replug device and try again.\n"); exit (0); } printf("%s\n", LIBMTP_Track_Exists(device, id) ? "Yes" : "No"); LIBMTP_Release_Device(device); printf("OK.\n"); exit (0); }