shithub: riscv

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flacdec: do not loop forever on write/decode errors

--- a/sys/src/cmd/audio/flacdec/flacdec.c

+++ b/sys/src/cmd/audio/flacdec/flacdec.c

@@ -145,8 +145,8 @@

 		}

 	}

 	n = b * chans * len;

-	if(n > 0)

-		write(ifd, buf, n);

+	if(n > 0 && write(ifd, buf, n) != n)

+		return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;

 	return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;

 }

@@ -191,7 +191,8 @@

 	if(seek > 0.0){

 		FLAC__uint64 srate;

 		do{

-			FLAC__stream_decoder_process_single(dec);

+			if(!FLAC__stream_decoder_process_single(dec))

+				break;

 			srate = FLAC__stream_decoder_get_sample_rate(dec);

 		}while(srate == 0);

 		if(!FLAC__stream_decoder_seek_absolute(dec, srate*seek)){