mirror of
				https://github.com/alsa-project/alsa-lib.git
				synced 2025-10-29 05:40:25 -04:00 
			
		
		
		
	
		
			
				
	
	
		
			110 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			110 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  *  ALSA lisp implementation
 | |
|  *  Copyright (c) 2003 by Jaroslav Kysela <perex@suse.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;
 | |
| }
 | 
