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libFLAC: fix compiler warnings by properly declaring void function arguments

--- a/sys/src/cmd/audio/libFLAC/bitbuffer.c

+++ b/sys/src/cmd/audio/libFLAC/bitbuffer.c

@@ -267,7 +267,7 @@

  *

  ***********************************************************************/

-FLAC__BitBuffer *FLAC__bitbuffer_new()

+FLAC__BitBuffer *FLAC__bitbuffer_new(void)

 {

 	FLAC__BitBuffer *bb = (FLAC__BitBuffer*)calloc(1, sizeof(FLAC__BitBuffer));

--- a/sys/src/cmd/audio/libFLAC/file_decoder.c

+++ b/sys/src/cmd/audio/libFLAC/file_decoder.c

@@ -51,7 +51,7 @@

  ***********************************************************************/

 static void set_defaults_(FLAC__FileDecoder *decoder);

-static FILE *get_binary_stdin_();

+static FILE *get_binary_stdin_(void);

 static FLAC__SeekableStreamDecoderReadStatus read_callback_(const FLAC__SeekableStreamDecoder *decoder, FLAC__byte buffer[], unsigned *bytes, void *client_data);

 static FLAC__SeekableStreamDecoderSeekStatus seek_callback_(const FLAC__SeekableStreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data);

 static FLAC__SeekableStreamDecoderTellStatus tell_callback_(const FLAC__SeekableStreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data);

@@ -95,6 +95,8 @@

 	"FLAC__FILE_DECODER_UNINITIALIZED"

 };

+FLAC_API FLAC__SeekableStreamDecoder *FLAC__seekable_stream_decoder_new(void);

+

 /***********************************************************************

  *

  * Class constructor/destructor

@@ -101,7 +103,7 @@

  *

  ***********************************************************************/

-FLAC_API FLAC__FileDecoder *FLAC__file_decoder_new()

+FLAC_API FLAC__FileDecoder *FLAC__file_decoder_new(void)

 {

 	FLAC__FileDecoder *decoder;

@@ -567,7 +569,7 @@

 /*

  * This will forcibly set stdin to binary mode (for OSes that require it)

  */

-FILE *get_binary_stdin_()

+FILE *get_binary_stdin_(void)

 {

 	/* if something breaks here it is probably due to the presence or

 	 * absence of an underscore before the identifiers 'setmode',

--- a/sys/src/cmd/audio/libFLAC/file_encoder.c

+++ b/sys/src/cmd/audio/libFLAC/file_encoder.c

@@ -91,6 +91,7 @@

 	"FLAC__FILE_ENCODER_UNINITIALIZED"

 };

+FLAC_API FLAC__SeekableStreamEncoder *FLAC__seekable_stream_encoder_new(void);

 /***********************************************************************

  *

--- a/sys/src/cmd/audio/libFLAC/metadata_iterators.c

+++ b/sys/src/cmd/audio/libFLAC/metadata_iterators.c

@@ -157,6 +157,8 @@

 	FLAC__StreamMetadata *object;

 } level0_client_data;

+FLAC_API FLAC__FileDecoder *FLAC__file_decoder_new(void);

+

 FLAC_API FLAC__bool FLAC__metadata_get_streaminfo(const char *filename, FLAC__StreamMetadata *streaminfo)

 {

 	level0_client_data cd;

@@ -339,7 +341,7 @@

 };

-FLAC_API FLAC__Metadata_SimpleIterator *FLAC__metadata_simple_iterator_new()

+FLAC_API FLAC__Metadata_SimpleIterator *FLAC__metadata_simple_iterator_new(void)

 {

 	FLAC__Metadata_SimpleIterator *iterator = (FLAC__Metadata_SimpleIterator*)calloc(1, sizeof(FLAC__Metadata_SimpleIterator));

@@ -846,7 +848,7 @@

 };

-static FLAC__Metadata_Node *node_new_()

+static FLAC__Metadata_Node *node_new_(void)

 {

 	return (FLAC__Metadata_Node*)calloc(1, sizeof(FLAC__Metadata_Node));

 }

--- a/sys/src/cmd/audio/libFLAC/metadata_object.c

+++ b/sys/src/cmd/audio/libFLAC/metadata_object.c

@@ -1085,7 +1085,7 @@

 	return ok? (int)matching : -1;

 }

-FLAC_API FLAC__StreamMetadata_CueSheet_Track *FLAC__metadata_object_cuesheet_track_new()

+FLAC_API FLAC__StreamMetadata_CueSheet_Track *FLAC__metadata_object_cuesheet_track_new(void)

 {

 	return (FLAC__StreamMetadata_CueSheet_Track*)calloc(1, sizeof(FLAC__StreamMetadata_CueSheet_Track));

 }

--- a/sys/src/cmd/audio/libFLAC/seekable_stream_decoder.c

+++ b/sys/src/cmd/audio/libFLAC/seekable_stream_decoder.c

@@ -134,7 +134,7 @@

  *

  ***********************************************************************/

-FLAC_API FLAC__SeekableStreamDecoder *FLAC__seekable_stream_decoder_new()

+FLAC_API FLAC__SeekableStreamDecoder *FLAC__seekable_stream_decoder_new(void)

 {

 	FLAC__SeekableStreamDecoder *decoder;

--- a/sys/src/cmd/audio/libFLAC/seekable_stream_encoder.c

+++ b/sys/src/cmd/audio/libFLAC/seekable_stream_encoder.c

@@ -103,6 +103,7 @@

 	"FLAC__SEEKABLE_STREAM_ENCODER_TELL_STATUS_ERROR"

 };

+FLAC_API FLAC__StreamEncoder *FLAC__stream_encoder_new(void);

 /***********************************************************************

  *

@@ -110,7 +111,7 @@

  *

  ***********************************************************************/

-FLAC_API FLAC__SeekableStreamEncoder *FLAC__seekable_stream_encoder_new()

+FLAC_API FLAC__SeekableStreamEncoder *FLAC__seekable_stream_encoder_new(void)

 {

 	FLAC__SeekableStreamEncoder *encoder;

--- a/sys/src/cmd/audio/libFLAC/stream_decoder.c

+++ b/sys/src/cmd/audio/libFLAC/stream_decoder.c

@@ -174,6 +174,8 @@

 	"FLAC__STREAM_DECODER_ERROR_STATUS_FRAME_CRC_MISMATCH"

 };

+FLAC__BitBuffer *FLAC__bitbuffer_new(void);

+

 /***********************************************************************

  *

  * Class constructor/destructor

--- a/sys/src/cmd/audio/libFLAC/stream_encoder.c

+++ b/sys/src/cmd/audio/libFLAC/stream_encoder.c

@@ -434,12 +434,14 @@

 	"FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR"

 };

+FLAC__BitBuffer *FLAC__bitbuffer_new(void);

+

 /***********************************************************************

  *

  * Class constructor/destructor

  *

  */

-FLAC_API FLAC__StreamEncoder *FLAC__stream_encoder_new()

+FLAC_API FLAC__StreamEncoder *FLAC__stream_encoder_new(void)

 {

 	FLAC__StreamEncoder *encoder;

 	unsigned i;