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1[+ AutoGen5 template h c +]
2/*
3** Copyright (C) 2002-2018 Erik de Castro Lopo <erikd@mega-nerd.com>
4**
5** This program is free software; you can redistribute it and/or modify
6** it under the terms of the GNU General Public License as published by
7** the Free Software Foundation; either version 2 of the License, or
8** (at your option) any later version.
9**
10** This program is distributed in the hope that it will be useful,
11** but WITHOUT ANY WARRANTY; without even the implied warranty of
12** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13** GNU General Public License for more details.
14**
15** You should have received a copy of the GNU General Public License
16** along with this program; if not, write to the Free Software
17** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18*/
19
20/*
21**	Utility functions to make writing the test suite easier.
22**
23**	The .c and .h files were generated automagically with Autogen from
24**	the files utils.def and utils.tpl.
25*/
26
27[+ CASE (suffix) +]
28[+ ==  h  +]
29
30#ifdef __cplusplus
31extern "C" {
32#endif	/* __cplusplus */
33
34#include "sfconfig.h"
35
36#include <stdint.h>
37#include <stdarg.h>
38
39#define	ARRAY_LEN(x)		((int) (sizeof (x)) / (sizeof ((x) [0])))
40#define SIGNED_SIZEOF(x)	((int64_t) (sizeof (x)))
41#define	NOT(x)				(! (x))
42#define	ABS(x)				((x) >= 0 ? (x) : - (x))
43
44#define	PIPE_INDEX(x)	((x) + 500)
45#define	PIPE_TEST_LEN	12345
46
47
48[+ FOR float_type
49+]void gen_windowed_sine_[+ (get "name") +] ([+ (get "name") +] *data, int len, double maximum) ;
50[+ ENDFOR float_type
51+]
52
53void	create_short_sndfile (const char *filename, int format, int channels) ;
54
55void	check_file_hash_or_die	(const char *filename, uint64_t target_hash, int line_num) ;
56
57void	print_test_name (const char *test, const char *filename) ;
58
59void	dump_data_to_file (const char *filename, const void *data, unsigned int datalen) ;
60
61void	write_mono_file (const char * filename, int format, int srate, float * output, int len) ;
62
63#ifdef __GNUC__
64static inline void
65exit_if_true (int test, const char *format, ...)
66#if (defined (__USE_MINGW_ANSI_STDIO) && __USE_MINGW_ANSI_STDIO && !defined (__clang__))
67	__attribute__ ((format (gnu_printf, 2, 3))) ;
68#else
69	__attribute__ ((format (printf, 2, 3))) ;
70#endif
71#endif
72
73static inline void
74exit_if_true (int test, const char *format, ...)
75{	if (test)
76	{	va_list	argptr ;
77		va_start (argptr, format) ;
78		vprintf (format, argptr) ;
79		va_end (argptr) ;
80		exit (1) ;
81		} ;
82} /* exit_if_true */
83
84static inline int32_t
85arith_shift_left (int32_t x, int shift)
86{	return (int32_t) (((uint32_t) x) << shift) ;
87} /* arith_shift_left */
88
89/*
90**	Functions for saving two vectors of data in an ascii text file which
91**	can then be loaded into GNU octave for comparison.
92*/
93
94[+ FOR io_type
95+]int	oct_save_[+ (get "io_element") +]	(const [+ (get "io_element") +] *a, const [+ (get "io_element") +] *b, int len) ;
96[+ ENDFOR io_type
97+]
98
99void	delete_file (int format, const char *filename) ;
100
101int		truncate_file_to_zero (const char *fname) ;
102
103void	count_open_files (void) ;
104void	increment_open_file_count (void) ;
105void	check_open_file_count_or_die (int lineno) ;
106
107void	get_unique_test_name (const char ** filename, const char * test) ;
108
109#ifdef SNDFILE_H
110
111static inline void
112sf_info_clear (SF_INFO * info)
113{	memset (info, 0, sizeof (SF_INFO)) ;
114} /* sf_info_clear */
115
116static inline void
117sf_info_setup (SF_INFO * info, int format, int samplerate, int channels)
118{	sf_info_clear (info) ;
119
120	info->format = format ;
121	info->samplerate = samplerate ;
122	info->channels = channels ;
123} /* sf_info_setup */
124
125
126void 	dump_log_buffer (SNDFILE *file) ;
127void 	check_log_buffer_or_die (SNDFILE *file, int line_num) ;
128int 	string_in_log_buffer (SNDFILE *file, const char *s) ;
129void	hexdump_file (const char * filename, sf_count_t offset, sf_count_t length) ;
130
131void	test_sf_format_or_die	(const SF_INFO *info, int line_num) ;
132
133SNDFILE *test_open_file_or_die
134			(const char *filename, int mode, SF_INFO *sfinfo, int allow_fd, int line_num) ;
135
136void 	test_read_write_position_or_die
137			(SNDFILE *file, int line_num, int pass, sf_count_t read_pos, sf_count_t write_pos) ;
138
139void	test_seek_or_die
140			(SNDFILE *file, sf_count_t offset, int whence, sf_count_t new_pos, int channels, int line_num) ;
141
142[+ FOR read_op +]
143[+ FOR io_type
144+]void 	test_[+ (get "op_element") +]_[+ (get "io_element") +]_or_die
145			(SNDFILE *file, int pass, [+ (get "io_element") +] *test, sf_count_t [+ (get "count_name") +], int line_num) ;
146[+ ENDFOR io_type +][+ ENDFOR read_op +]
147
148void
149test_read_raw_or_die (SNDFILE *file, int pass, void *test, sf_count_t items, int line_num) ;
150
151[+ FOR write_op +]
152[+ FOR io_type
153+]void 	test_[+ (get "op_element") +]_[+ (get "io_element") +]_or_die
154			(SNDFILE *file, int pass, const [+ (get "io_element") +] *test, sf_count_t [+ (get "count_name") +], int line_num) ;
155[+ ENDFOR io_type +][+ ENDFOR write_op +]
156
157void
158test_write_raw_or_die (SNDFILE *file, int pass, const void *test, sf_count_t items, int line_num) ;
159
160[+ FOR io_type
161+]void compare_[+ (get "io_element") +]_or_die (const [+ (get "io_element") +] *expected, const [+ (get "io_element") +] *actual, unsigned count, int line_num) ;
162[+ ENDFOR io_type +]
163
164
165void	gen_lowpass_signal_float (float *data, int len) ;
166
167sf_count_t		file_length (const char * fname) ;
168sf_count_t		file_length_fd (int fd) ;
169
170#endif
171
172#ifdef __cplusplus
173}		/* extern "C" */
174#endif	/* __cplusplus */
175
176[+  ==  c  +]
177
178#include "sfconfig.h"
179
180#include <stdio.h>
181#include <stdlib.h>
182#include <inttypes.h>
183
184#if HAVE_UNISTD_H
185#include <unistd.h>
186#endif
187
188#if (HAVE_DECL_S_IRGRP == 0)
189#include <sf_unistd.h>
190#endif
191
192#include <errno.h>
193#include <string.h>
194#include <ctype.h>
195#include <math.h>
196#include <float.h>
197#include <fcntl.h>
198#include <sys/stat.h>
199
200#include <sndfile.h>
201
202#include "utils.h"
203
204#ifndef	M_PI
205#define	M_PI		3.14159265358979323846264338
206#endif
207
208#define	LOG_BUFFER_SIZE		4096
209
210/*
211**	Neat solution to the Win32/OS2 binary file flage requirement.
212**	If O_BINARY isn't already defined by the inclusion of the system
213**	headers, set it to zero.
214*/
215#ifndef O_BINARY
216#define O_BINARY 0
217#endif
218
219
220/*
221**      Compare for equality, with epsilon
222*/
223static inline int
224equals_short (const short a, const short b)
225{        return (a == b);
226} /* equals_short */
227static inline int
228equals_int (const int a, const int b)
229{        return (a == b);
230} /* equals_int */
231static inline int
232equals_float (const float a, const float b)
233{        return (fabsf(a - b) <= FLT_EPSILON);
234} /* equals_float */
235static inline int
236equals_double (const double a, const double b)
237{       return (fabs(a - b) <= DBL_EPSILON);
238} /* equals_double */
239
240
241[+ FOR float_type +]
242void
243gen_windowed_sine_[+ (get "name") +] ([+ (get "name") +] *data, int len, double maximum)
244{	int k ;
245
246	memset (data, 0, len * sizeof ([+ (get "name") +])) ;
247
248	len = (5 * len) / 6 ;
249
250	for (k = 0 ; k < len ; k++)
251	{	data [k] = sin (2.0 * k * M_PI * 1.0 / 32.0 + 0.4) ;
252
253		/* Apply Hanning Window. */
254		data [k] *= maximum * (0.5 - 0.5 * cos (2.0 * M_PI * k / ((len) - 1))) ;
255		}
256
257	return ;
258} /* gen_windowed_sine_[+ (get "name") +] */
259[+ ENDFOR float_type +]
260
261void
262create_short_sndfile (const char *filename, int format, int channels)
263{	short data [2 * 3 * 4 * 5 * 6 * 7] = { 0, } ;
264	SNDFILE *file ;
265	SF_INFO sfinfo ;
266
267	memset (&sfinfo, 0, sizeof (sfinfo)) ;
268	sfinfo.samplerate = 44100 ;
269	sfinfo.channels = channels ;
270	sfinfo.format = format ;
271
272	if ((file = sf_open (filename, SFM_WRITE, &sfinfo)) == NULL)
273	{	printf ("Error (%s, %d) : sf_open failed : %s\n", __FILE__, __LINE__, sf_strerror (file)) ;
274		exit (1) ;
275		} ;
276
277	sf_write_short (file, data, ARRAY_LEN (data)) ;
278
279	sf_close (file) ;
280} /* create_short_sndfile */
281
282void
283check_file_hash_or_die (const char *filename, uint64_t target_hash, int line_num)
284{	static unsigned char buf [4096] ;
285	uint64_t	cksum ;
286	FILE 		*file ;
287	int			k, read_count ;
288
289	memset (buf, 0, sizeof (buf)) ;
290
291	/* The 'b' in the mode string means binary for Win32. */
292	if ((file = fopen (filename, "rb")) == NULL)
293	{	printf ("\n\nLine %d: could not open file '%s'\n\n", line_num, filename) ;
294		exit (1) ;
295		} ;
296
297	cksum = 0 ;
298
299	while ((read_count = fread (buf, 1, sizeof (buf), file)))
300		for (k = 0 ; k < read_count ; k++)
301			cksum = (cksum * 511 + buf [k]) & 0xfffffffffffff ;
302
303	fclose (file) ;
304
305	if (target_hash == 0)
306	{	printf (" 0x%" PRIx64 "\n", cksum) ;
307		return ;
308		} ;
309
310	if (cksum != target_hash)
311	{	printf ("\n\nLine %d: incorrect hash value 0x%" PRIx64 " should be 0x%" PRIx64 ".\n\n", line_num, cksum, target_hash) ;
312		exit (1) ;
313		} ;
314
315	return ;
316} /* check_file_hash_or_die */
317
318void
319print_test_name (const char *test, const char *filename)
320{	int count ;
321
322	if (test == NULL)
323	{	printf (__FILE__ ": bad test of filename parameter.\n") ;
324		exit (1) ;
325		} ;
326
327	if (filename == NULL || strlen (filename) == 0)
328	{	printf ("    %-30s : ", test) ;
329		count = 25 ;
330		}
331	else
332	{	printf ("    %-30s : %s ", test, filename) ;
333		count = 24 - strlen (filename) ;
334		} ;
335
336	while (count -- > 0)
337		putchar ('.') ;
338	putchar (' ') ;
339
340	fflush (stdout) ;
341} /* print_test_name */
342
343void
344dump_data_to_file (const char *filename, const void *data, unsigned int datalen)
345{	FILE *file ;
346
347	if ((file = fopen (filename, "wb")) == NULL)
348	{	printf ("\n\nLine %d : could not open file : %s\n\n", __LINE__, filename) ;
349		exit (1) ;
350		} ;
351
352	if (fwrite (data, 1, datalen, file) != datalen)
353	{	printf ("\n\nLine %d : fwrite failed.\n\n", __LINE__) ;
354		exit (1) ;
355		} ;
356
357	fclose (file) ;
358
359} /* dump_data_to_file */
360
361/*-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
362*/
363
364static char octfilename [] = "error.dat" ;
365
366[+ FOR io_type
367+]int
368oct_save_[+ (get "io_element") +]	(const [+ (get "io_element") +] *a, const [+ (get "io_element") +] *b, int len)
369{	FILE 	*file ;
370	int		k ;
371
372	if (! (file = fopen (octfilename, "w")))
373		return 1 ;
374
375	fprintf (file, "# Not created by Octave\n") ;
376
377	fprintf (file, "# name: a\n") ;
378	fprintf (file, "# type: matrix\n") ;
379	fprintf (file, "# rows: %d\n", len) ;
380	fprintf (file, "# columns: 1\n") ;
381
382	for (k = 0 ; k < len ; k++)
383		fprintf (file, [+ (get "format_str") +] "\n", a [k]) ;
384
385	fprintf (file, "# name: b\n") ;
386	fprintf (file, "# type: matrix\n") ;
387	fprintf (file, "# rows: %d\n", len) ;
388	fprintf (file, "# columns: 1\n") ;
389
390	for (k = 0 ; k < len ; k++)
391		fprintf (file, [+ (get "format_str") +] "\n", b [k]) ;
392
393	fclose (file) ;
394	return 0 ;
395} /* oct_save_[+ (get "io_element") +] */
396[+ ENDFOR io_type
397+]
398
399void
400check_log_buffer_or_die (SNDFILE *file, int line_num)
401{	static char	buffer [LOG_BUFFER_SIZE] ;
402	int			count ;
403
404	memset (buffer, 0, sizeof (buffer)) ;
405
406	/* Get the log buffer data. */
407	count = sf_command	(file, SFC_GET_LOG_INFO, buffer, LOG_BUFFER_SIZE) ;
408
409	if (LOG_BUFFER_SIZE - count < 2)
410	{	printf ("\n\nLine %d : Possible long log buffer.\n", line_num) ;
411		exit (1) ;
412		}
413
414	/* Look for "Should" */
415	if (strstr (buffer, "ould"))
416	{	printf ("\n\nLine %d : Log buffer contains `ould'. Dumping.\n", line_num) ;
417		puts (buffer) ;
418		exit (1) ;
419		} ;
420
421	/* Look for "**" */
422	if (strstr (buffer, "*"))
423	{	printf ("\n\nLine %d : Log buffer contains `*'. Dumping.\n", line_num) ;
424		puts (buffer) ;
425		exit (1) ;
426		} ;
427
428	/* Look for "Should" */
429	if (strstr (buffer, "nknown marker"))
430	{	printf ("\n\nLine %d : Log buffer contains `nknown marker'. Dumping.\n", line_num) ;
431		puts (buffer) ;
432		exit (1) ;
433		} ;
434
435	return ;
436} /* check_log_buffer_or_die */
437
438int
439string_in_log_buffer (SNDFILE *file, const char *s)
440{	static char	buffer [LOG_BUFFER_SIZE] ;
441	int			count ;
442
443	memset (buffer, 0, sizeof (buffer)) ;
444
445	/* Get the log buffer data. */
446	count = sf_command	(file, SFC_GET_LOG_INFO, buffer, LOG_BUFFER_SIZE) ;
447
448	if (LOG_BUFFER_SIZE - count < 2)
449	{	printf ("Possible long log buffer.\n") ;
450		exit (1) ;
451		}
452
453	/* Look for string */
454	return strstr (buffer, s) ? SF_TRUE : SF_FALSE ;
455} /* string_in_log_buffer */
456
457void
458hexdump_file (const char * filename, sf_count_t offset, sf_count_t length)
459{
460	FILE * file ;
461	char buffer [16] ;
462	int k, m, ch, readcount ;
463
464	if (length > 1000000)
465	{	printf ("\n\nError : length (%" PRId64 ") too long.\n\n", offset) ;
466		exit (1) ;
467		} ;
468
469	if ((file = fopen (filename, "r")) == NULL)
470	{	printf ("\n\nError : hexdump_file (%s) could not open file for read.\n\n", filename) ;
471		exit (1) ;
472		} ;
473
474	if (fseek (file, offset, SEEK_SET) != 0)
475	{	printf ("\n\nError : fseek(file, %" PRId64 ", SEEK_SET) failed : %s\n\n", offset, strerror (errno)) ;
476		exit (1) ;
477		} ;
478
479	puts ("\n\n") ;
480
481	for (k = 0 ; k < length ; k+= sizeof (buffer))
482	{	readcount = fread (buffer, 1, sizeof (buffer), file) ;
483
484		printf ("%08" PRIx64 " : ", offset + k) ;
485
486		for (m = 0 ; m < readcount ; m++)
487			printf ("%02x ", buffer [m] & 0xFF) ;
488
489		for (m = readcount ; m < SIGNED_SIZEOF (buffer) ; m++)
490			printf ("   ") ;
491
492		printf ("  ") ;
493		for (m = 0 ; m < readcount ; m++)
494		{	ch = isprint (buffer [m]) ? buffer [m] : '.' ;
495			putchar (ch) ;
496			} ;
497
498		if (readcount < SIGNED_SIZEOF (buffer))
499			break ;
500
501		putchar ('\n') ;
502		} ;
503
504	puts ("\n") ;
505
506	fclose (file) ;
507} /* hexdump_file */
508
509void
510dump_log_buffer (SNDFILE *file)
511{	static char	buffer [LOG_BUFFER_SIZE] ;
512
513	memset (buffer, 0, sizeof (buffer)) ;
514
515	/* Get the log buffer data. */
516	sf_command	(file, SFC_GET_LOG_INFO, buffer, LOG_BUFFER_SIZE) ;
517
518	if (strlen (buffer) < 1)
519		puts ("Log buffer empty.\n") ;
520	else
521		puts (buffer) ;
522
523	return ;
524} /* dump_log_buffer */
525
526void
527test_sf_format_or_die (const SF_INFO *info, int line_num)
528{	int res ;
529
530	if ((res = sf_format_check (info)) != 1)
531	{	printf ("\n\nLine %d : sf_format_check returned error (%d)\n\n", line_num, res) ;
532		exit (1) ;
533		} ;
534
535	return ;
536} /* test_sf_format_or_die */
537
538SNDFILE *
539test_open_file_or_die (const char *filename, int mode, SF_INFO *sfinfo, int allow_fd, int line_num)
540{	static int count = 0 ;
541
542	SNDFILE *file ;
543	const char *modestr, *func_name ;
544	int oflags = 0, omode = 0, err ;
545
546	/*
547	** Need to test both sf_open() and sf_open_fd().
548	** Do so alternately.
549	*/
550	switch (mode)
551	{	case SFM_READ :
552				modestr = "SFM_READ" ;
553				oflags = O_RDONLY | O_BINARY ;
554				omode = 0 ;
555				break ;
556
557		case SFM_WRITE :
558				modestr = "SFM_WRITE" ;
559				oflags = O_WRONLY | O_CREAT | O_TRUNC | O_BINARY ;
560				omode = S_IRUSR | S_IWUSR | S_IRGRP ;
561				break ;
562
563		case SFM_RDWR :
564				modestr = "SFM_RDWR" ;
565				oflags = O_RDWR | O_CREAT | O_BINARY ;
566				omode = S_IRUSR | S_IWUSR | S_IRGRP ;
567				break ;
568		default :
569				printf ("\n\nLine %d: Bad mode.\n", line_num) ;
570				fflush (stdout) ;
571				exit (1) ;
572		} ;
573
574	if (OS_IS_WIN32)
575	{	/* Windows does not understand and ignores the S_IRGRP flag, but Wine
576		** gives a run time warning message, so just clear it.
577		*/
578		omode &= ~S_IRGRP ;
579		} ;
580
581	if (allow_fd && ((++count) & 1) == 1)
582	{	int fd ;
583
584		/* Only use the three argument open() function if omode != 0. */
585		fd = (omode == 0) ? open (filename, oflags) : open (filename, oflags, omode) ;
586
587		if (fd < 0)
588		{	printf ("\n\n%s : open failed : %s\n", __func__, strerror (errno)) ;
589			exit (1) ;
590			} ;
591
592		func_name = "sf_open_fd" ;
593		file = sf_open_fd (fd, mode, sfinfo, SF_TRUE) ;
594		}
595	else
596	{	func_name = "sf_open" ;
597		file = sf_open (filename, mode, sfinfo) ;
598		} ;
599
600	if (file == NULL)
601	{	printf ("\n\nLine %d: %s (%s) failed : %s\n\n", line_num, func_name, modestr, sf_strerror (NULL)) ;
602		dump_log_buffer (file) ;
603		exit (1) ;
604		} ;
605
606	err = sf_error (file) ;
607	if (err != SF_ERR_NO_ERROR)
608	{	printf ("\n\nLine %d : sf_error : %s\n\n", line_num, sf_error_number (err)) ;
609		dump_log_buffer (file) ;
610		exit (1) ;
611		} ;
612
613	return file ;
614} /* test_open_file_or_die */
615
616void
617test_read_write_position_or_die (SNDFILE *file, int line_num, int pass, sf_count_t read_pos, sf_count_t write_pos)
618{	sf_count_t pos ;
619
620	/* Check the current read position. */
621	if (read_pos >= 0 && (pos = sf_seek (file, 0, SEEK_CUR | SFM_READ)) != read_pos)
622	{	printf ("\n\nLine %d ", line_num) ;
623		if (pass > 0)
624			printf ("(pass %d): ", pass) ;
625		printf ("Read position (%" PRId64 ") should be %" PRId64 ".\n", pos, read_pos) ;
626		exit (1) ;
627		} ;
628
629	/* Check the current write position. */
630	if (write_pos >= 0 && (pos = sf_seek (file, 0, SEEK_CUR | SFM_WRITE)) != write_pos)
631	{	printf ("\n\nLine %d", line_num) ;
632		if (pass > 0)
633			printf (" (pass %d)", pass) ;
634		printf (" : Write position (%" PRId64 ") should be %" PRId64 ".\n", pos, write_pos) ;
635		exit (1) ;
636		} ;
637
638	return ;
639} /* test_read_write_position */
640
641void
642test_seek_or_die (SNDFILE *file, sf_count_t offset, int whence, sf_count_t new_pos, int channels, int line_num)
643{	sf_count_t	position ;
644	const char	*channel_name, *whence_name ;
645
646	switch (whence)
647	{	case SEEK_SET :
648				whence_name = "SEEK_SET" ;
649				break ;
650		case SEEK_CUR :
651				whence_name = "SEEK_CUR" ;
652				break ;
653		case SEEK_END :
654				whence_name = "SEEK_END" ;
655				break ;
656
657		/* SFM_READ */
658		case SEEK_SET | SFM_READ :
659				whence_name = "SFM_READ | SEEK_SET" ;
660				break ;
661		case SEEK_CUR | SFM_READ :
662				whence_name = "SFM_READ | SEEK_CUR" ;
663				break ;
664		case SEEK_END | SFM_READ :
665				whence_name = "SFM_READ | SEEK_END" ;
666				break ;
667
668		/* SFM_WRITE */
669		case SEEK_SET | SFM_WRITE :
670				whence_name = "SFM_WRITE | SEEK_SET" ;
671				break ;
672		case SEEK_CUR | SFM_WRITE :
673				whence_name = "SFM_WRITE | SEEK_CUR" ;
674				break ;
675		case SEEK_END | SFM_WRITE :
676				whence_name = "SFM_WRITE | SEEK_END" ;
677				break ;
678
679		default :
680				printf ("\n\nLine %d: bad whence parameter.\n", line_num) ;
681				exit (1) ;
682		} ;
683
684	channel_name = (channels == 1) ? "Mono" : "Stereo" ;
685
686	if ((position = sf_seek (file, offset, whence)) != new_pos)
687	{	printf ("\n\nLine %d : %s : sf_seek (file, %" PRId64 ", %s) returned %" PRId64 " (should be %" PRId64 ").\n\n",
688					line_num, channel_name, offset, whence_name, position, new_pos) ;
689		exit (1) ;
690		} ;
691
692} /* test_seek_or_die */
693
694[+ FOR read_op +]
695[+ FOR io_type +]
696void
697test_[+ (get "op_element") +]_[+ (get "io_element") +]_or_die (SNDFILE *file, int pass, [+ (get "io_element") +] *test, sf_count_t [+ (get "count_name") +], int line_num)
698{	sf_count_t count ;
699
700	if ((count = sf_[+ (get "op_element") +]_[+ (get "io_element") +] (file, test, [+ (get "count_name") +])) != [+ (get "count_name") +])
701	{	printf ("\n\nLine %d", line_num) ;
702		if (pass > 0)
703			printf (" (pass %d)", pass) ;
704		printf (" : sf_[+ (get "op_element") +]_[+ (get "io_element") +] failed with short [+ (get "op_element") +] (%" PRId64 " => %" PRId64 ").\n",
705						[+ (get "count_name") +], count) ;
706		fflush (stdout) ;
707		puts (sf_strerror (file)) ;
708		exit (1) ;
709		} ;
710
711	return ;
712} /* test_[+ (get "op_element") +]_[+ (get "io_element") +]_or_die */
713[+ ENDFOR io_type +][+ ENDFOR read_op +]
714
715void
716test_read_raw_or_die (SNDFILE *file, int pass, void *test, sf_count_t items, int line_num)
717{	sf_count_t count ;
718
719	if ((count = sf_read_raw (file, test, items)) != items)
720	{	printf ("\n\nLine %d", line_num) ;
721		if (pass > 0)
722			printf (" (pass %d)", pass) ;
723		printf (" : sf_read_raw failed with short read (%" PRId64 " => %" PRId64 ").\n", items, count) ;
724		fflush (stdout) ;
725		puts (sf_strerror (file)) ;
726		exit (1) ;
727		} ;
728
729	return ;
730} /* test_read_raw_or_die */
731
732[+ FOR write_op +]
733[+ FOR io_type +]
734void
735test_[+ (get "op_element") +]_[+ (get "io_element") +]_or_die (SNDFILE *file, int pass, const [+ (get "io_element") +] *test, sf_count_t [+ (get "count_name") +], int line_num)
736{	sf_count_t count ;
737
738	if ((count = sf_[+ (get "op_element") +]_[+ (get "io_element") +] (file, test, [+ (get "count_name") +])) != [+ (get "count_name") +])
739	{	printf ("\n\nLine %d", line_num) ;
740		if (pass > 0)
741			printf (" (pass %d)", pass) ;
742		printf (" : sf_[+ (get "op_element") +]_[+ (get "io_element") +] failed with short [+ (get "op_element") +] (%" PRId64 " => %" PRId64 ").\n",
743						[+ (get "count_name") +], count) ;
744		fflush (stdout) ;
745		puts (sf_strerror (file)) ;
746		exit (1) ;
747		} ;
748
749	return ;
750} /* test_[+ (get "op_element") +]_[+ (get "io_element") +]_or_die */
751[+ ENDFOR io_type +][+ ENDFOR write_op +]
752
753void
754test_write_raw_or_die (SNDFILE *file, int pass, const void *test, sf_count_t items, int line_num)
755{	sf_count_t count ;
756
757	if ((count = sf_write_raw (file, test, items)) != items)
758	{	printf ("\n\nLine %d", line_num) ;
759		if (pass > 0)
760			printf (" (pass %d)", pass) ;
761		printf (" : sf_write_raw failed with short write (%" PRId64 " => %" PRId64 ").\n", items, count) ;
762		fflush (stdout) ;
763		puts (sf_strerror (file)) ;
764		exit (1) ;
765		} ;
766
767	return ;
768} /* test_write_raw_or_die */
769
770
771[+ FOR io_type
772+]void
773compare_[+ (get "io_element") +]_or_die (const [+ (get "io_element") +] *expected, const [+ (get "io_element") +] *actual, unsigned count, int line_num)
774{
775	unsigned k ;
776
777	for (k = 0 ; k < count ; k++)
778		if (!equals_[+ (get "io_element") +](expected [k], actual [k]))
779		{	printf ("\n\nLine %d : Error at index %d, got " [+ (get "format_str") +] ", should be " [+ (get "format_str") +] "(delta=" [+ (get "format_str") +] " ).\n\n", line_num, k, actual [k], expected [k], actual [k] - expected [k]) ;
780			exit (1) ;
781			} ;
782
783	return ;
784} /* compare_[+ (get "io_element") +]_or_die */
785[+ ENDFOR io_type +]
786
787
788void
789delete_file (int format, const char *filename)
790{	char rsrc_name [512], *fname ;
791
792	unlink (filename) ;
793
794	if ((format & SF_FORMAT_TYPEMASK) != SF_FORMAT_SD2)
795		return ;
796
797	/*
798	** Now try for a resource fork stored as a separate file.
799	** Grab the un-adulterated filename again.
800	*/
801	snprintf (rsrc_name, sizeof (rsrc_name), "%s", filename) ;
802
803	if ((fname = strrchr (rsrc_name, '/')) != NULL)
804		fname ++ ;
805	else if ((fname = strrchr (rsrc_name, '\\')) != NULL)
806		fname ++ ;
807	else
808		fname = rsrc_name ;
809
810	memmove (fname + 2, fname, strlen (fname) + 1) ;
811	fname [0] = '.' ;
812	fname [1] = '_' ;
813
814	unlink (rsrc_name) ;
815} /* delete_file */
816
817int
818truncate_file_to_zero (const char * fname)
819{	FILE * file ;
820
821	if ((file = fopen (fname, "w")) == NULL)
822		return errno ;
823	fclose (file) ;
824
825	return 0 ;
826} /* truncate_file_to_zero */
827
828static int allowed_open_files = -1 ;
829
830void
831count_open_files (void)
832{
833#if OS_IS_WIN32
834	return ;
835#else
836	int k, count = 0 ;
837	struct stat statbuf ;
838
839	if (allowed_open_files > 0)
840		return ;
841
842	for (k = 0 ; k < 1024 ; k++)
843		if (fstat (k, &statbuf) == 0)
844			count ++ ;
845
846	allowed_open_files = count ;
847#endif
848} /* count_open_files */
849
850void
851increment_open_file_count (void)
852{	allowed_open_files ++ ;
853} /* increment_open_file_count */
854
855void
856check_open_file_count_or_die (int lineno)
857{
858#if OS_IS_WIN32
859	(void) lineno ;
860	return ;
861#else
862	int k, count = 0 ;
863	struct stat statbuf ;
864
865	if (allowed_open_files < 0)
866		count_open_files () ;
867
868	for (k = 0 ; k < 1024 ; k++)
869		if (fstat (k, &statbuf) == 0)
870			count ++ ;
871
872	if (count > allowed_open_files)
873	{	printf ("\nLine %d : number of open files (%d) > allowed (%d).\n\n", lineno, count, allowed_open_files) ;
874		exit (1) ;
875		} ;
876#endif
877} /* check_open_file_count_or_die */
878
879void
880get_unique_test_name (const char ** filename, const char * test)
881{	static char	buffer [1024] ;
882
883	snprintf (buffer, sizeof (buffer), "%s_%s", test, *filename) ;
884
885	*filename = buffer ;
886} /* get_unique_test_name */
887
888void
889write_mono_file (const char * filename, int format, int srate, float * output, int len)
890{	SNDFILE * file ;
891	SF_INFO sfinfo ;
892
893	memset (&sfinfo, 0, sizeof (sfinfo)) ;
894
895	sfinfo.samplerate = srate ;
896	sfinfo.channels = 1 ;
897	sfinfo.format = format ;
898
899	if ((file = sf_open (filename, SFM_WRITE, &sfinfo)) == NULL)
900	{	printf ("sf_open (%s) : %s\n", filename, sf_strerror (NULL)) ;
901		exit (1) ;
902		} ;
903
904	sf_write_float (file, output, len) ;
905
906	sf_close (file) ;
907} /* write_mono_file */
908
909void
910gen_lowpass_signal_float (float *data, int len)
911{	int64_t value = 0x1243456 ;
912	double sample, last_val = 0.0 ;
913	int k ;
914
915	for (k = 0 ; k < len ; k++)
916	{	/* Not a crypto quality RNG. */
917		value = (11117 * value + 211231) & 0xffffffff ;
918		value = (11117 * value + 211231) & 0xffffffff ;
919		value = (11117 * value + 211231) & 0xffffffff ;
920
921		sample = value / (0x7fffffff * 1.000001) ;
922		sample = 0.2 * sample - 0.9 * last_val ;
923
924		last_val = sample ;
925
926		data [k] = 0.5 * (sample + sin (2.0 * k * M_PI * 1.0 / 32.0)) ;
927		} ;
928
929} /* gen_lowpass_signal_float */
930
931
932/*
933**	Windows is fucked.
934**	If a file is opened R/W and data is written to it, then fstat will return
935**	the correct file length, but stat will return zero.
936*/
937
938sf_count_t
939file_length (const char * fname)
940{	struct stat data ;
941
942	if (stat (fname, &data) != 0)
943		return 0 ;
944
945	return (sf_count_t) data.st_size ;
946} /* file_length */
947
948sf_count_t
949file_length_fd (int fd)
950{	struct stat data ;
951
952	memset (&data, 0, sizeof (data)) ;
953	if (fstat (fd, &data) != 0)
954		return 0 ;
955
956	return (sf_count_t) data.st_size ;
957} /* file_length_fd */
958
959
960[+ ESAC +]
961
962