text: /*
   *  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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  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;
  }
  