-/*
-** Copyright (C) 2001-2011 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 "sfconfig.h"
-#include "sndfile.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <assert.h>
-
-#if 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))
-
-/* EMX is OS/2. */
-#if defined (__CYGWIN__) || defined (__EMX__)
-
- #define LSEEK lseek
- #define FSTAT fstat
-
- typedef struct stat STATBUF ;
- typedef off_t INT64 ;
-
- static char dir_cmd [] = "ls -l" ;
-
-#elif (defined (WIN32) || defined (_WIN32))
-
- #define LSEEK _lseeki64
- #define FSTAT _fstati64
-
- typedef struct _stati64 STATBUF ;
- typedef __int64 INT64 ;
-
- static char dir_cmd [] = "dir" ;
-
-#else
-
- #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" ;
-
-#endif
-
-static void show_fstat_error (void) ;
-static void show_lseek_error (void) ;
-static void show_stat_fstat_error (void) ;
-static void write_to_closed_file (void) ;
-
-int
-main (void)
-{
- puts ("\n\n\n\n"
- "This program shows up errors in the Win32 implementation of\n"
- "a couple of POSIX API functions on some versions of windoze.\n"
- "It can also be compiled on Linux (which works correctly) and\n"
- "other OSes just to provide a sanity check.\n"
- ) ;
-
- show_fstat_error () ;
- show_lseek_error () ;
- show_stat_fstat_error () ;
- write_to_closed_file () ;
-
- 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 ;
- } ;
- assert (write (fd, data, sizeof (data)) > 0) ;
- 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) ;
- assert (write (fd, data, sizeof (data)) > 0) ;
-
- printf ("2) Now use system (\"%s %s\") to show the file length.\n\n", dir_cmd, filename) ;
-
- /* Would use snprintf, but thats not really available on windows. */
- memset (data, 0, sizeof (data)) ;
- strncpy (data, dir_cmd, sizeof (data) - 1) ;
- strncat (data, " ", sizeof (data) - 1 - strlen (data)) ;
- strncat (data, filename, sizeof (data) - 1 - strlen (data)) ;
-
- assert (system (data) >= 0) ;
- 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 ;
- } ;
- assert (write (fd, data, sizeof (data)) > 0) ;
- 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) ;
- assert (write (fd, data, sizeof (data)) > 0) ;
-
- printf ("2) Now use system (\"%s %s\") to show the file length.\n\n", dir_cmd, filename) ;
-
- /* Would use snprintf, but thats not really available on windows. */
- memset (data, 0, sizeof (data)) ;
- strncpy (data, dir_cmd, sizeof (data) - 1) ;
- strncat (data, " ", sizeof (data) - 1 - strlen (data)) ;
- strncat (data, filename, sizeof (data) - 1 - strlen (data)) ;
-
- assert (system (data) >= 0) ;
- 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 */
-
-static void
-show_stat_fstat_error (void)
-{ static const char *filename = "stat_fstat.dat" ;
- static char data [256] ;
-
- int fd, mode, flags ;
- int stat_size, fstat_size ;
- struct stat buf ;
-
- /* Known to fail on WinXP. */
- puts ("\nstat/fstat test.\n----------------") ;
-
- printf ("0) Create a file and write %d bytes.\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 ;
- } ;
-
- assert (write (fd, data, sizeof (data)) > 0) ;
-
- printf ("1) Now call stat and fstat on the file and retreive the file lengths.\n") ;
-
- if (stat (filename, &buf) != 0)
- { printf ("\n\nLine %d: stat() failed : %s\n\n", __LINE__, strerror (errno)) ;
- goto error_exit ;
- } ;
- stat_size = buf.st_size ;
-
- if (fstat (fd, &buf) != 0)
- { printf ("\n\nLine %d: fstat() failed : %s\n\n", __LINE__, strerror (errno)) ;
- goto error_exit ;
- } ;
- fstat_size = buf.st_size ;
-
- printf ("2) Size returned by stat and fstat is %d and %d, ", stat_size, fstat_size) ;
-
-
- if (stat_size == 0 || stat_size != fstat_size)
- printf ("but thats just plain ***WRONG***.\n\n") ;
- else
- printf ("which is correct.\n\n") ;
-
-error_exit :
-
- close (fd) ;
- unlink (filename) ;
-
- return ;
-} /* show_stat_fstat_error */
-
-
-static void
-write_to_closed_file (void)
-{ const char * filename = "closed_write_test.txt" ;
- struct stat buf ;
- FILE * file ;
- int fd ;
-
- puts ("\nWrite to closed file test.\n--------------------------") ;
-
- printf ("0) First we open file for write using fopen().\n") ;
- if ((file = fopen (filename, "w")) == NULL)
- { printf ("\n\nLine %d: fopen() failed : %s\n\n", __LINE__, strerror (errno)) ;
- return ;
- } ;
-
- printf ("1) Now we grab the file descriptor fileno().\n") ;
- fd = fileno (file) ;
-
- printf ("2) Write some text via the file descriptor.\n") ;
- assert (write (fd, "a\n", 2) > 0) ;
-
- printf ("3) Now we close the file using fclose().\n") ;
- fclose (file) ;
-
- stat (filename, &buf) ;
- printf (" File size is %d bytes.\n", (int) buf.st_size) ;
-
- printf ("4) Now write more data to the file descriptor which should fail.\n") ;
- if (write (fd, "b\n", 2) < 0)
- printf ("5) Good, write returned an error code as it should have.\n") ;
- else
- { printf ("5) Attempting to write to a closed file should have failed but didn't! *** WRONG ***\n") ;
-
- stat (filename, &buf) ;
- printf (" File size is %d bytes.\n", (int) buf.st_size) ;
- } ;
-
- unlink (filename) ;
-
- return ;
-} /* write_to_closed_file */
projects / Faustine.git / blobdiff