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path: root/support/dktools/dk4strmw.c
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/*
	WARNING: This file was generated by dkct.
	Changes you make here will be lost if dkct is run again!
	You should modify the original source and run dkct on it.
	Original source: dk4strmw.ctr
*/

/*
Copyright (C) 2015-2017, Dirk Krause

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

* Redistributions of source code must retain the above copyright notice,
  this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above opyright notice,
  this list of conditions and the following disclaimer in the documentation
  and/or other materials provided with the distribution.
* Neither the name of the author nor the names of contributors may be used
  to endorse or promote products derived from this software without specific
  prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

/**	@file dk4strmw.c The dk4strmw module.
*/


#line 72 "dk4strmw.ctr"

#include "dk4conf.h"

#if DK4_ON_WINDOWS && DK4_WIN_DENY_CRT
#ifndef WINDOWS_H_INCLUDED
#include <windows.h>
#define	WINDOWS_H_INCLUDED 1
#endif
#ifndef DK4STRMH_H_INCLUDED
#include "dk4strmh.h"
#endif
#endif

#include "dk4strmw.h"

#ifndef DK4FD_H_INCLUDED
#include "dk4fd.h"
#endif

#ifndef DK4PATH_H_INCLUDED
#include "dk4pathd.h"
#endif

#ifndef DK4STRD_H_INCLUDED
#include "dk4strd.h"
#endif

#ifndef DK4FOPD_H_INCLUDED
#include "dk4fopd.h"
#endif





#line 106 "dk4strmw.ctr"



/**	Compression suffixes.
*/
static const dkChar * const	dk4strmw_co_su[] = {
/* 0 */
dkT(".gz"),

/* 1 */
dkT(".svgz"),

/* 2 */
dkT(".bz2"),

NULL


#line 117 "dk4strmw.ctr"
};



/**	File mode for binary writing.
*/
static const char	dk4strmw_c8_mode[] = { "wb" };



/**	File mode for binary writing.
*/
static const dkChar	dk4strmw_dk_mode[] = { dkT("wb") };



dk4_stream_t *
dk4stream_open_file_writer(const dkChar *filename, dk4_er_t *erp)
{
  dk4_stream_t	*back	= NULL;	/* Function result */
  dkChar	*p1	= NULL;	/* File name suffix */
#if DK4_HAVE_ZLIB_H && (!(DK4_ON_WINDOWS && DK4_WIN_DENY_CRT))
  gzFile	 gzf	= NULL;	/* gzip compressed output file */
#endif
#if DK4_HAVE_BZLIB_H && (!(DK4_ON_WINDOWS && DK4_WIN_DENY_CRT))
  BZFILE	*bzf	= NULL;	/* bzip2 compressed output file */
#endif
  FILE		*fipo	= NULL;	/* Output file */
#if DK4_ON_WINDOWS && DK4_WIN_DENY_CRT
  HANDLE	 fha	= INVALID_HANDLE_VALUE;
  DWORD		 dwattr	= (DWORD)0UL;
#endif
  int		 coi	= -1;	/* Compression algorithm index */
#if DK4_CHAR_SIZE > 1
  int		 fd	= -1;	/* File descriptor */
#endif

  

#line 155 "dk4strmw.ctr"
  if (NULL != filename) {
    p1 = dk4path_get_suffix(filename, erp);
    if (NULL != p1) {				

#line 158 "dk4strmw.ctr"
      coi = dk4str_array_index(
        dk4strmw_co_su, p1, DK4_HAVE_CASE_INSENSITIVE_PATHNAMES
      );
      if (0 > coi) { coi = -1; }
    }
#if	TRACE_DEBUG
    else {					

#line 165 "dk4strmw.ctr"
    }
#endif
    if (0 != dk4fopen_check(filename, 1, DK4_FOPEN_SC_IS_REGULAR, erp)) {
      switch (coi) {
        case 0: case 1: {			

#line 170 "dk4strmw.ctr"
#if DK4_HAVE_ZLIB_H && (!(DK4_ON_WINDOWS && DK4_WIN_DENY_CRT))
#if DK4_CHAR_SIZE > 1
	  /* +++++ gzip, wchar_t */
	  

#line 174 "dk4strmw.ctr"
	  fd = dk4fd_wc_open(
	    filename,
	    (DK4_O_WRONLY | DK4_O_BINARY | DK4_O_TRUNC | DK4_O_CREAT),
	    erp
	  );
	  if (-1 < fd) {
	    gzf = gzdopen(fd, dk4strmw_c8_mode);
	    if (NULL != gzf) {
	      back = dk4stream_open_for_gzfile_with_close(
	        gzf, DK4_STREAM_WRITE, 1024, 4096, erp
	      );
	      if (NULL == back) {		

#line 186 "dk4strmw.ctr"
	        gzclose(gzf);
	      }
#if	TRACE_DEBUG
	      else {				

#line 190 "dk4strmw.ctr"
	      }
#endif
	    } else {				

#line 193 "dk4strmw.ctr"
	      dk4error_set_simple_error_code(erp, DK4_E_OPEN_WRITE_FAILED);
	      (void)dk4fd_close(fd, NULL);
	    }
	  }
#if TRACE_DEBUG
	  else {				

#line 199 "dk4strmw.ctr"
	  }
#endif
	  /* ----- gzip, wchar_t */
#else
	  /* +++++ gzip, char */
	  

#line 205 "dk4strmw.ctr"
	  gzf = gzopen(filename, dk4strmw_c8_mode);
	  if (NULL != gzf) {
	    back = dk4stream_open_for_gzfile_with_close(
	      gzf, DK4_STREAM_WRITE, 1024, 4096, erp
	    );
	    if (NULL == back) {			

#line 211 "dk4strmw.ctr"
	      gzclose(gzf);
	    }
#if	TRACE_DEBUG
	    else {				

#line 215 "dk4strmw.ctr"
	    }
#endif
	  } else {				

#line 218 "dk4strmw.ctr"
	    dk4error_set_simple_error_code(erp, DK4_E_OPEN_WRITE_FAILED);
	  }
	  /* ----- gzip, char */
#endif
#else
	  dk4error_set_simple_error_code(erp, DK4_E_NOT_SUPPORTED);
#endif
	} break;
	case 2: {				

#line 227 "dk4strmw.ctr"
#if DK4_HAVE_BZLIB_H && (!(DK4_ON_WINDOWS && DK4_WIN_DENY_CRT))
#if DK4_CHAR_SIZE > 1
	  /* +++++ bzip2, wchar_t */
	  

#line 231 "dk4strmw.ctr"
	  fd = dk4fd_wc_open(
	    filename,
	    (DK4_O_WRONLY | DK4_O_BINARY | DK4_O_TRUNC | DK4_O_CREAT),
	    erp
	  );
	  if (-1 < fd) {
	    bzf = BZ2_bzdopen(fd, dk4strmw_c8_mode);
	    if (NULL != bzf) {
	      back = dk4stream_open_for_bzfile_with_close(
	        bzf, DK4_STREAM_WRITE, 1024, 4096, erp
	      );
	      if (NULL == back) {		

#line 243 "dk4strmw.ctr"
	        BZ2_bzclose(bzf);
	      }
#if	TRACE_DEBUG
	      else {				

#line 247 "dk4strmw.ctr"
	      }
#endif
	    } else {				

#line 250 "dk4strmw.ctr"
	      dk4error_set_simple_error_code(erp, DK4_E_OPEN_WRITE_FAILED);
	      (void)dk4fd_close(fd, NULL);
	    }
	  } else {				

#line 254 "dk4strmw.ctr"
	    dk4error_set_simple_error_code(erp, DK4_E_OPEN_WRITE_FAILED);
	  }
	  /* ----- bzip2, wchar_t */
#else
	  /* +++++ bzip2, char */
	  

#line 260 "dk4strmw.ctr"
	  bzf = BZ2_bzopen(filename, dk4strmw_c8_mode);
	  if (NULL != bzf) {
	    back = dk4stream_open_for_bzfile_with_close(
	      bzf, DK4_STREAM_WRITE, 1024, 4096, erp
	    );
	    if (NULL == back) {			

#line 266 "dk4strmw.ctr"
	      BZ2_bzclose(bzf);
	    }
#if	TRACE_DEBUG
	    else {				

#line 270 "dk4strmw.ctr"
	    }
#endif
	  } else {				

#line 273 "dk4strmw.ctr"
	    dk4error_set_simple_error_code(erp, DK4_E_OPEN_WRITE_FAILED);
	  }
	  /* ----- bzip2, char */
#endif
#else
	  dk4error_set_simple_error_code(erp, DK4_E_NOT_SUPPORTED);
#endif
	} break;
	default: {				

#line 282 "dk4strmw.ctr"
#if DK4_ON_WINDOWS && DK4_WIN_DENY_CRT
	  

#line 284 "dk4strmw.ctr"
	  dwattr =  FILE_ATTRIBUTE_NORMAL;
	  dwattr |= FILE_FLAG_BACKUP_SEMANTICS;
	  dwattr |= FILE_FLAG_SEQUENTIAL_SCAN;
#if DK4_CHAR_SIZE > 1
	  fha = CreateFileW(
	    filename, GENERIC_WRITE, 0, NULL,
	    CREATE_ALWAYS, dwattr, NULL
	  );
#else
	  fha = CreateFileA(
	    filename, GENERIC_WRITE, 0, NULL,
	    CREATE_ALWAYS, dwattr, NULL
	  );
#endif
	  if (INVALID_HANDLE_VALUE != fha) {
	    back = dk4stream_open_for_windows_handle_with_close(
	      fha, DK4_STREAM_WRITE, 1024, 4096, erp
	    );
	    if (NULL == back) {			

#line 303 "dk4strmw.ctr"
	      (void)CloseHandle(fha);
	    }
#if	TRACE_DEBUG
	    else {				

#line 307 "dk4strmw.ctr"
	    }
#endif
	  } else {				

#line 310 "dk4strmw.ctr"
	    dk4error_set_simple_error_code(erp, DK4_E_OPEN_WRITE_FAILED);
	  }
#else
	  

#line 314 "dk4strmw.ctr"
	  fipo = dk4fopen(
	    filename, dk4strmw_dk_mode, DK4_FOPEN_SC_IS_REGULAR, erp
	  );
	  if (NULL != fipo) {
	    back = dk4stream_open_for_file_with_close(
	      fipo, DK4_STREAM_WRITE, 1024, 4096, erp
	    );
	    if (NULL == back) {		

#line 322 "dk4strmw.ctr"
	      (void)fclose(fipo);
	    }
#if	TRACE_DEBUG
	    else {			

#line 326 "dk4strmw.ctr"
	    }
#endif
	  } else {			

#line 329 "dk4strmw.ctr"
	  }
#endif
	} break;
      }
    } else {				

#line 334 "dk4strmw.ctr"
    }
  } else {				

#line 336 "dk4strmw.ctr"
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
  

#line 339 "dk4strmw.ctr"
  return back;
}