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/*
** Copyright (C) 2001-2003 Erik de Castro Lopo <erikd@mega-nerd.com>
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 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 General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include "sndfile.h"
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#if (HAVE_DECL_S_IRGRP == 0)
#include <sf_unistd.h>
#endif
#include <string.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#define SIGNED_SIZEOF(x) ((int) sizeof (x))
#if defined (__CYGWIN__)
#define LSEEK lseek
#define FSTAT fstat
typedef struct stat STATBUF ;
typedef off_t INT64 ;
static char dir_cmd [] = "ls -l" ;
#define COMPILE_FULL_TEST 1
#elif (defined (WIN32) || defined (_WIN32))
#define LSEEK _lseeki64
#define FSTAT _fstati64
typedef struct _stati64 STATBUF ;
typedef __int64 INT64 ;
static char dir_cmd [] = "dir" ;
#define COMPILE_FULL_TEST 1
#elif defined (linux)
#define LSEEK lseek
#define FSTAT fstat
typedef struct stat STATBUF ;
typedef sf_count_t INT64 ;
#define O_BINARY 0
static char dir_cmd [] = "ls -l" ;
#define COMPILE_FULL_TEST 1
#else
#define COMPILE_FULL_TEST 0
#endif
#if COMPILE_FULL_TEST
static void show_fstat_error (void) ;
static void show_lseek_error (void) ;
int
main (void)
{ puts ("\n\n\n\n"
"This program shows up some errors in the Win32 implementation of\n"
"a couple of POSIX API functions. It can also be compiled on Linux\n"
"(which works correctly) just to provide a sanity check.\n"
) ;
show_fstat_error () ;
show_lseek_error () ;
puts ("\n\n") ;
return 0 ;
} /* main */
static void
show_fstat_error (void)
{ static const char *filename = "fstat.dat" ;
static char data [256] ;
STATBUF statbuf ;
int fd, mode, flags ;
if (sizeof (statbuf.st_size) != sizeof (INT64))
{ printf ("\n\nLine %d: Error, sizeof (statbuf.st_size) != 8.\n\n", __LINE__) ;
return ;
} ;
puts ("\n64 bit fstat() test.\n--------------------") ;
printf ("0) Create a file, write %d bytes and close it.\n", SIGNED_SIZEOF (data)) ;
mode = O_WRONLY | O_CREAT | O_TRUNC | O_BINARY ;
flags = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH ;
if ((fd = open (filename, mode, flags)) < 0)
{ printf ("\n\nLine %d: open() failed : %s\n\n", __LINE__, strerror (errno)) ;
return ;
} ;
write (fd, data, sizeof (data)) ;
close (fd) ;
printf ("1) Re-open file in read/write mode and write another %d bytes at the end.\n", SIGNED_SIZEOF (data)) ;
mode = O_RDWR | O_BINARY ;
flags = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH ;
if ((fd = open (filename, mode, flags)) < 0)
{ printf ("\n\nLine %d: open() failed : %s\n\n", __LINE__, strerror (errno)) ;
return ;
} ;
LSEEK (fd, 0, SEEK_END) ;
write (fd, data, sizeof (data)) ;
printf ("2) Now use system (\"%s %s\") to show the file length.\n\n", dir_cmd, filename) ;
sprintf (data, "%s %s", dir_cmd, filename) ;
system (data) ;
puts ("") ;
printf ("3) Now use fstat() to get the file length.\n") ;
if (FSTAT (fd, &statbuf) != 0)
{ printf ("\n\nLine %d: fstat() returned error : %s\n", __LINE__, strerror (errno)) ;
return ;
} ;
printf ("4) According to fstat(), the file length is %ld, ", (long) statbuf.st_size) ;
close (fd) ;
if (statbuf.st_size != 2 * sizeof (data))
printf ("but thats just plain ***WRONG***.\n\n") ;
else
{ printf ("which is correct.\n\n") ;
unlink (filename) ;
} ;
} /* show_fstat_error */
static void
show_lseek_error (void)
{ static const char *filename = "fstat.dat" ;
static char data [256] ;
INT64 retval ;
int fd, mode, flags ;
puts ("\n64 bit lseek() test.\n--------------------") ;
printf ("0) Create a file, write %d bytes and close it.\n", SIGNED_SIZEOF (data)) ;
mode = O_WRONLY | O_CREAT | O_TRUNC | O_BINARY ;
flags = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH ;
if ((fd = open (filename, mode, flags)) < 0)
{ printf ("\n\nLine %d: open() failed : %s\n\n", __LINE__, strerror (errno)) ;
return ;
} ;
write (fd, data, sizeof (data)) ;
close (fd) ;
printf ("1) Re-open file in read/write mode and write another %d bytes at the end.\n", SIGNED_SIZEOF (data)) ;
mode = O_RDWR | O_BINARY ;
flags = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH ;
if ((fd = open (filename, mode, flags)) < 0)
{ printf ("\n\nLine %d: open() failed : %s\n\n", __LINE__, strerror (errno)) ;
return ;
} ;
LSEEK (fd, 0, SEEK_END) ;
write (fd, data, sizeof (data)) ;
printf ("2) Now use system (\"%s %s\") to show the file length.\n\n", dir_cmd, filename) ;
sprintf (data, "%s %s", dir_cmd, filename) ;
system (data) ;
puts ("") ;
printf ("3) Now use lseek() to go to the end of the file.\n") ;
retval = LSEEK (fd, 0, SEEK_END) ;
printf ("4) We are now at position %ld, ", (long) retval) ;
close (fd) ;
if (retval != 2 * sizeof (data))
printf ("but thats just plain ***WRONG***.\n\n") ;
else
{ printf ("which is correct.\n\n") ;
unlink (filename) ;
} ;
} /* show_lseek_error */
#else
int
main (void)
{ puts ("\n"
"This program shows up some errors in the Win32 implementation of\n"
"a couple of POSIX API functions. It can also be compiled on Linux\n"
"and under Cygwin32 (which both work correctly) just to provide a \n"
"sanity check.\n"
"Unfortunately, it does not compile on this platform."
) ;
return 0 ;
} /* main */
#endif
/*
** Do not edit or modify anything in this comment block.
** The arch-tag line is a file identity tag for the GNU Arch
** revision control system.
**
** arch-tag: 228b9a18-0555-46d9-b9e6-2b37ce048702
*/
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