/*** Copyright (c) 2002-2016, Erik de Castro Lopo <erikd@mega-nerd.com>** All rights reserved.**** This code is released under 2-clause BSD license. Please see the** file at : https://github.com/libsndfile/libsamplerate/blob/master/COPYING*/ #include <stdio.h>#include <stdlib.h>#include <string.h> #include <samplerate.h> #include "util.h" #define	BUFFER_LEN		(1 << 16)#define NUM_CHANNELS 	1 static voidnullptr_test (int converter){	static float input [BUFFER_LEN * NUM_CHANNELS] ;	static float output [BUFFER_LEN * NUM_CHANNELS] ; 	SRC_STATE* src_state ;	SRC_DATA src_data, src_data2 ; 	int error ; 	printf ("        nullptr_test        (%-28s) ....... ", src_get_name (converter)) ;	fflush (stdout) ; 	memset (input, 0, sizeof (input)) ;	memset (output, 0, sizeof (output)) ; 	if ((src_state = src_new (converter, NUM_CHANNELS, &error)) == NULL)	{	printf ("\n\nLine %d : src_new() failed : %s\n\n", __LINE__, src_strerror (error)) ;		exit (1) ;		} ; 	src_data.src_ratio = 1.1 ;	src_data.input_frames = BUFFER_LEN ;	src_data.output_frames = BUFFER_LEN ;	src_data.data_in = input ;	src_data.data_out = output ;	src_data.output_frames_gen = 0 ; 	if ((error = src_process (src_state, &src_data)))	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;		exit (1) ;		} ; 	//Input is zero-length	src_data2 = src_data;	src_data2.data_in = NULL;	src_data2.input_frames = 0; 	if ((error = src_process (src_state, &src_data2)))	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;		exit (1) ;		} ; 	//Output is zero-length	src_data2 = src_data;	src_data2.data_out = NULL;	src_data2.output_frames = 0; 	if ((error = src_process (src_state, &src_data2)))	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;		exit (1) ;		} ; 	//Input and output are zero-length	src_data2 = src_data;	src_data2.data_in = NULL;	src_data2.data_out = NULL;	src_data2.input_frames = 0;	src_data2.output_frames = 0; 	if ((error = src_process (src_state, &src_data2)))	{	printf ("\n\nLine %d : %s\n\n", __LINE__, src_strerror (error)) ;		exit (1) ;		} ;  	src_state = src_delete (src_state) ; 	puts ("ok") ;} /* nullptr_test */ intmain (void){	puts(""); 	nullptr_test (SRC_ZERO_ORDER_HOLD) ;	nullptr_test (SRC_LINEAR) ;	nullptr_test (SRC_SINC_FASTEST) ; 	puts(""); 	return 0 ;} /* main */