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Updated to make utility slightly more user friendly - Chris Rankin <rankincj@yahoo.com>

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This commit is contained in:
Jaroslav Kysela 2002-09-29 15:26:20 +00:00
parent c053a5cffc
commit 0b4c25a5de
1 changed files with 31 additions and 4 deletions
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35
sscape_ctl/sscape_ctl.c
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@ -16,6 +16,23 @@ const char default_dir[] = "/sndscape";
const char scope[] = "scope.cod"; const char scope[] = "scope.cod";
static void
show_usage(void)
{
printf("sscape_ctl: [--card card number]\n"
" [--directory firmware directory]\n"
"sscape_ctl: --help\n"
"sscape_ctl: --version\n");
}
static void
show_version(void)
{
printf("ALSA SoundScape control utility: v" VERSION "\n");
}
void void
safe_close(int fd) safe_close(int fd)
{ {
@ -120,13 +137,16 @@ load_microcode(const char *fname, struct sscape_microcode *microcode)
return err; return err;
} }
static const struct option long_option[] = { static const struct option long_option[] = {
{ "card", 1, NULL, 'c' }, { "card", 1, NULL, 'c' },
{ "directory", 1, NULL, 'd' }, { "directory", 1, NULL, 'd' },
{ "help", 0, NULL, 'h' },
{ "version", 0, NULL, 'v' },
{ NULL, 0, NULL, '\0' } { NULL, 0, NULL, '\0' }
}; };
static const char option[] = "c:d:"; static const char option[] = "c:d:hv";
int int
main(int argc, char *argv[]) main(int argc, char *argv[])
@ -157,14 +177,21 @@ main(int argc, char *argv[])
directory = optarg; directory = optarg;
break; break;
case 'h':
show_usage();
return EXIT_SUCCESS;
case 'v':
show_version();
return EXIT_SUCCESS;
default: default:
fprintf(stderr, "Unknown option \'%c\'\n", c); return EXIT_FAILURE;
break;
} /* switch */ } /* switch */
} /* while */ } /* while */
ret = EXIT_FAILURE; ret = EXIT_FAILURE;
sprintf(devicename, "hw:%i,0", card); snprintf(devicename, sizeof(devicename), "hw:%i,0", card);
err = snd_hwdep_open(&handle, devicename, O_WRONLY); err = snd_hwdep_open(&handle, devicename, O_WRONLY);
if (err < 0) if (err < 0)
{ {