android_device_samsung_c1-c.../libasound/alsalisp/alsalisp.c

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2011-06-11 22:07:25 +00:00
/*
* ALSA lisp implementation
* Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
*
*
* 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 2.1 of
* the License, or (at your option) any later version.
*
* This program 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <err.h>
#include "asoundlib.h"
#include "alisp.h"
static int verbose = 0;
static int warning = 0;
static int debug = 0;
static void interpret_filename(const char *file)
{
struct alisp_cfg cfg;
snd_input_t *in;
snd_output_t *out;
int err;
memset(&cfg, 0, sizeof(cfg));
if (file != NULL && strcmp(file, "-") != 0) {
if ((err = snd_input_stdio_open(&in, file, "r")) < 0) {
fprintf(stderr, "unable to open filename '%s' (%s)\n", file, snd_strerror(err));
return;
}
} else {
if ((err = snd_input_stdio_attach(&in, stdin, 0)) < 0) {
fprintf(stderr, "unable to attach stdin '%s' (%s)\n", file, snd_strerror(err));
return;
}
}
if (snd_output_stdio_attach(&out, stdout, 0) < 0) {
snd_input_close(in);
fprintf(stderr, "unable to attach stdout (%s)\n", strerror(errno));
return;
}
cfg.verbose = verbose;
cfg.warning = warning;
cfg.debug = debug;
cfg.in = in;
cfg.out = cfg.eout = cfg.vout = cfg.wout = cfg.dout = out;
err = alsa_lisp(&cfg, NULL);
if (err < 0)
fprintf(stderr, "alsa lisp returned error %i (%s)\n", err, strerror(err));
else if (verbose)
printf("file %s passed ok via alsa lisp interpreter\n", file);
snd_output_close(out);
snd_input_close(in);
}
static void usage(void)
{
fprintf(stderr, "usage: alsalisp [-vdw] [file...]\n");
exit(1);
}
int main(int argc, char **argv)
{
int c;
while ((c = getopt(argc, argv, "vdw")) != -1) {
switch (c) {
case 'v':
verbose = 1;
break;
case 'd':
debug = 1;
break;
case 'w':
warning = 1;
break;
case '?':
default:
usage();
/* NOTREACHED */
}
}
argc -= optind;
argv += optind;
if (argc < 1)
interpret_filename(NULL);
else
while (*argv)
interpret_filename(*argv++);
return 0;
}