main.c revision 1.1
1/* $NetBSD: main.c,v 1.1 2010/08/30 02:19:47 mrg Exp $ */ 2 3/* 4 * Copyright (c) 2010 Jared D. McNeill <jmcneill@invisible.ca> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#include <errno.h> 30#include <fcntl.h> 31#include <limits.h> 32#include <stdio.h> 33#include <stdlib.h> 34#include <unistd.h> 35 36#include "audiodev.h" 37#include "drvctl.h" 38 39static void 40usage(const char *p) 41{ 42 fprintf(stderr, "usage: %s [index]\n", p); 43 exit(EXIT_FAILURE); 44} 45 46int 47main(int argc, char *argv[]) 48{ 49 struct audiodev *adev; 50 unsigned int n, i; 51 52 if (audiodev_refresh() == -1) 53 return EXIT_FAILURE; 54 55 switch (argc) { 56 case 1: 57 n = audiodev_count(); 58 for (i = 0; i < n; i++) { 59 adev = audiodev_get(i); 60 printf("%u: [%c] %s: %s\n", 61 i, adev->defaultdev ? '*' : ' ', 62 adev->xname, adev->audio_device.name); 63 } 64 break; 65 case 2: 66 if (*argv[1] < '0' || *argv[1] > '9') 67 usage(argv[0]); 68 /* NOTREACHED */ 69 errno = 0; 70 i = strtoul(argv[1], NULL, 10); 71 if (errno) 72 usage(argv[0]); 73 /* NOTREACHED */ 74 adev = audiodev_get(i); 75 if (adev == NULL) { 76 fprintf(stderr, "no such device\n"); 77 return EXIT_FAILURE; 78 } 79 printf("setting default audio device to %s\n", adev->xname); 80 if (audiodev_set_default(adev) == -1) { 81 perror("couldn't set default device"); 82 return EXIT_FAILURE; 83 } 84 break; 85 default: 86 usage(argv[0]); 87 /* NOTREACHED */ 88 } 89 90 return EXIT_SUCCESS; 91} 92