path: root/support/dktools/dkdbt2.c

/*
	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: dkdbt2.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 dkdbt2.c The dkdbt2 module.
*/


#line 9 "dkdbt2.ctr"

#include "dk4conf.h"

#if DK4_HAVE_STDLIB_H
#include <stdlib.h>
#endif

#include "dk4types.h"
#include "dk4const.h"
#include "dk4dbi.h"
#include "dk4dbit8.h"
#include "dk4dbitw.h"
#include "dk4dbit.h"
#include "dk4fput.h"
#include "dk4app.h"
#include "dk4vers.h"



/**	Actions the program can perform.
*/
enum {
				/**	Do nothing (illegal options).
				*/
  DKDBT_ACTION_NONE		= 0 ,

				/**	Copy one database to another.
				*/
  DKDBT_ACTION_COPY		= 1 ,

  				/**	Make database from text.
				*/
  DKDBT_ACTION_FROM_TEXT	= 2 ,

  				/**	Convert database to text.
				*/
  DKDBT_ACTION_TO_TEXT		= 3 
};


/**	License conditions.
*/
static const dkChar * const	dkdbt_license_text[] = {
dkT("This software uses code from the following projects, either directly or as"),
dkT("a library:"),
dkT(""),
dkT("dktools\t\tDirk Krause's tools and libraries."),
dkT("\t\tSee http://dktools.sourceforge.net/ for more information."),
#if DK4_HAVE_ZLIB_H
dkT(""),
dkT("zlib\t\tData compression library."),
dkT("\t\tSee http://www.zlib.net/ for more information."),
#endif
#if DK4_HAVE_BZLIB_H
dkT(""),
dkT("bzip2\t\tData compression program and library."),
dkT("\t\tSee http://www.bzip.org/ for more information."),
#endif
dkT(""),
dkT("All the licenses below apply to the program."),
dkT("Licenses for used libraries are shown as found on my Scientific Linux 6.x"),
dkT("computer in the /usr/share/doc directory on 2015-04-01. Check the project"),
dkT("homepages of the used libraries for additional information and/or updated"),
dkT("license terms."),
dkT(""),
dkT(""),
dkT("DK tools and libraries license"),
dkT("=============================="),
dkT("Copyright (c) 2015-2016, Dirk Krause"),
dkT("All rights reserved."),
dkT(""),
dkT("Redistribution and use in source and binary forms, with or without"),
dkT("modification, are permitted provided that the following conditions are met:"),
dkT(""),
dkT("* Redistributions of source code must retain the above copyright notice,"),
dkT("  this list of conditions and the following disclaimer."),
dkT("* Redistributions in binary form must reproduce the above copyright"),
dkT("  notice, this list of conditions and the following disclaimer in the"),
dkT("  documentation and/or other materials provided with the distribution."),
dkT("* Neither the name of the Dirk Krause nor the names of contributors may be"),
dkT("  used to endorse or promote products derived from this software without"),
dkT("  specific prior written permission."),
dkT(""),
dkT("THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\""),
dkT("AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE"),
dkT("IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE"),
dkT("ARE DISCLAIMED."),
dkT(""),
dkT("IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,"),
dkT("INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,"),
dkT("BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,"),
dkT("DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY"),
dkT("OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING"),
dkT("NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,"),
dkT("EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."),
#if DK4_HAVE_ZLIB_H
dkT(""),
dkT(""),
dkT("Zlib license"),
dkT("============"),
dkT("(C) 1995-2004 Jean-loup Gailly and Mark Adler"),
dkT(""),
dkT("This software is provided 'as-is', without any express or implied"),
dkT("warranty.  In no event will the authors be held liable for any damages"),
dkT("arising from the use of this software."),
dkT(""),
dkT("Permission is granted to anyone to use this software for any purpose,"),
dkT("including commercial applications, and to alter it and redistribute it"),
dkT("freely, subject to the following restrictions:"),
dkT(""),
dkT("1. The origin of this software must not be misrepresented; you must not"),
dkT("   claim that you wrote the original software. If you use this software"),
dkT("   in a product, an acknowledgment in the product documentation would be"),
dkT("   appreciated but is not required."),
dkT("2. Altered source versions must be plainly marked as such, and must not be"),
dkT("   misrepresented as being the original software."),
dkT("3. This notice may not be removed or altered from any source distribution."),
dkT(""),
dkT("Jean-loup Gailly        Mark Adler"),
dkT("jloup@gzip.org          madler@alumni.caltech.edu"),
#endif
#if DK4_HAVE_BZLIB_H
dkT(""),
dkT(""),
dkT("Bzip2 and libbzip2 library license"),
dkT("=================================="),
dkT("This program, \"bzip2\", the associated library \"libbzip2\", and all"),
dkT("documentation, are copyright (C) 1996-2007 Julian R Seward.  All"),
dkT("rights reserved."),
dkT(""),
dkT("Redistribution and use in source and binary forms, with or without"),
dkT("modification, are permitted provided that the following conditions"),
dkT("are met:"),
dkT(""),
dkT("1. Redistributions of source code must retain the above copyright"),
dkT("   notice, this list of conditions and the following disclaimer."),
dkT(""),
dkT("2. The origin of this software must not be misrepresented; you must "),
dkT("   not claim that you wrote the original software.  If you use this "),
dkT("   software in a product, an acknowledgment in the product "),
dkT("   documentation would be appreciated but is not required."),
dkT(""),
dkT("3. Altered source versions must be plainly marked as such, and must"),
dkT("   not be misrepresented as being the original software."),
dkT(""),
dkT("4. The name of the author may not be used to endorse or promote "),
dkT("   products derived from this software without specific prior written "),
dkT("   permission."),
dkT(""),
dkT("THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS"),
dkT("OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED"),
dkT("WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE"),
dkT("ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY"),
dkT("DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL"),
dkT("DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE"),
dkT("GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS"),
dkT("INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,"),
dkT("WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING"),
dkT("NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS"),
dkT("SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."),
dkT(""),
dkT("Julian Seward, jseward@bzip.org"),
dkT("bzip2/libbzip2 version 1.0.5 of 10 December 2007"),
#endif
dkT(""),
NULL


#line 176 "dkdbt2.ctr"
};



/**	Short help text.
*/
static const dkChar * const	dkdbt_help_text[] = {
/* 0 */
dkT(""),

/* 1 */
dkT("Database tool"),

/* 2 */
dkT(""),

/* 3 */
dkT("dkdbt -m [-a] [-c <char>] [-i <encoding>] <database> [<textfile(s)>]"),

/* 4 */
dkT("dkdbt -t                                  <database> [<textfile>]"),

/* 5 */
dkT("dkdbt    [-a]                             <source>   <destination>"),

/* 6 */
dkT(""),

/* 7 */
dkT("-m\t\tMake database from text file(s)."),

/* 8 */
dkT("-t\t\tShow database as text, optionally save to file."),

/* 9 */
dkT("\t\tWithout -m and -t the database is copied."),

/* 10 */
dkT(""),

/* 11 */
dkT("-a\t\tAppend to existing database when copying or making"),

/* 12 */
dkT("\t\ta database. Without this option an existing database"),

/* 13 */
dkT("\t\tis truncated."),

/* 14 */
dkT("-c character\tCommentar character. Lines started by this character"),

/* 15 */
dkT("\t\tare comments."),

/* 16 */
dkT("-i encoding\tExpected input encoding when making a database from text."),

/* 17 */
dkT(""),

/* 18 */
dkT("--help\t\tShow short help text."),

/* 19 */
dkT("--manual\t*** SHOW MANUAL ***"),

/* 20 */
dkT("--version\tShow version number."),

/* 21 */
dkT("--license\tShow license information."),

/* 22 */
dkT(""),

NULL


#line 208 "dkdbt2.ctr"
};



static const dkChar version_text[] = {
DKT_VERSION_DK
#if DK4_HAVE_DB_H
dkT(" bdb")
#endif
#if DK4_HAVE_NDBM_H
dkT(" ndbm")
#endif
dkT(" mem")
};


/**	Constant keywords, not localized.
*/
static const dkChar * const	dkdbt_kwnl[] = {
/* 0 */
dkT("dktools"),

/* 1 */
dkT("dkdbt.txt"),

/* 2 */
dkT("dkdbt.str"),

NULL


#line 235 "dkdbt2.ctr"
};



/**	Keywords, replaced by localized text.
*/
static const dkChar * const	dkdbt_kw_def[] = {
/* 0 */
dkT("Failed to set up signal handlers!"),

/* 1 */
dkT("Failed to restore previous signal handlers!"),

NULL


#line 252 "dkdbt2.ctr"
};



/**	Command line options.
*/
static const dk4_option_specification_t dkdbt_options[] = {
  { dkT('m'),	dkT("make"),			DK4_OPT_ARG_NONE },
  { dkT('t'),	dkT("text"),			DK4_OPT_ARG_NONE },
  { dkT('a'),	dkT("append"),			DK4_OPT_ARG_NONE },
  { dkT('c'),	dkT("comment"),			DK4_OPT_ARG_STRING },
  { dkT('i'),	dkT("input-encoding"),		DK4_OPT_ARG_STRING }
};



/**	Application structure.
*/
static dk4_app_t	*app	= NULL;



/**	Pointer to localized messages array.
*/
static const dkChar * const	*dkdbt_msg	= dkdbt_kw_def;



/**	Number of options in the dkdbt_options array.
*/
static const size_t dkdbt_sz_options =
sizeof(dkdbt_options)/sizeof(dk4_option_specification_t);



/**	Number of keywords in the dkdbt_msg array.
*/
static size_t	dkdbt_sz_msg	=
(sizeof(dkdbt_kw_def)/sizeof(DK4_PDKCHAR) - 1);



/**	Maximum key size (0 = unlimited).
*/
static size_t	keymax		= 4096;



/**	Maximum value size (0 = unlimited).
*/
static size_t	valmax		= 4096;



/**	Exit status code.
*/
static int	exval		=	EXIT_FAILURE;



/**	Action to execute.
*/
static int	action		=	DKDBT_ACTION_COPY;



/**	Expected input encoding on stdin.
*/
static int	input_enc_s	=	DK4_FILE_ENCODING_ASCII;



/**	Expected input encoding on input files.
*/
static int	input_enc_f	=	DK4_FILE_ENCODING_ASCII;



/**	Flag: Append instead of truncate.
*/
static int	append		=	0;



#ifdef SIGPIPE
/**	Indicator: SIGPIPE signal received.
*/
static
DK4_VOLATILE
dk4_sig_atomic_t	sig_had_pipe	=	0;
#endif

/**	Indicator: SIGINT signal received.
*/
static
DK4_VOLATILE
dk4_sig_atomic_t	sig_had_int	=	0;

/**	Indicator: SIGTERM signal received.
*/
static
DK4_VOLATILE
dk4_sig_atomic_t	sig_had_term	=	0;



/**	Pass a volatile pointer to an atomic integer.
	This function is necessary as some compilers mis-optimize
	direct access to volatile variables (at least if you believe
	one of the coding standards).
	@param	ptr	Address of atomic integer variable.
	@return	The unmodified pointer.
*/
static
DK4_VOLATILE
dk4_sig_atomic_t *
sig_pass_pointer(DK4_VOLATILE dk4_sig_atomic_t *ptr)
{
  return ptr;
}



#ifdef SIGPIPE
/**	Handler for SIGPIPE signal.
	@param	signo	Signal number (always SIGPIPE, ignored).
*/
static
void
sig_handler_pipe(int signo)
{
  *sig_pass_pointer(&sig_had_pipe) = 1;
}
#endif

/**	Handler for SIGINT signal.
	@param	signo	Signal number (always SIGINT, ignored).
*/
static
void
sig_handler_int(int signo)
{
  *sig_pass_pointer(&sig_had_int) = 1;
}

/**	Handler for SIGTERM signal.
	@param	signo	Signal number (always SIGTERM, ignored).
*/
static
void
sig_handler_term(int signo)
{
  *sig_pass_pointer(&sig_had_term) = 1;
}

/**	Read value from volatile atomic type.
	This function is necessary as some compilers mis-optimize
	direct access to volatile variables (at least if you believe
	one of the coding standards).
	@param	ap	Pointer to volatile atomic variable.
	@return	Contents of the variable.
*/
static
dk4_sig_atomic_t
sig_read_atomic(DK4_VOLATILE dk4_sig_atomic_t *ap)
{
  return (*ap);
}

/**	Check whether we can continue or if a signal was received.
	@param	check_pipe	Flag: Check for occured SIGPIPE signal too.
	@return	1 if the program can continue, 0 if a signal was received.
*/
static
int
sig_can_continue(int check_pipe)
{
  int		back = 1;
#ifdef SIGPIPE
  if (0 != check_pipe) {
    if (0 != sig_read_atomic(&sig_had_pipe)) { back = 0; }
  }
#endif
  if (0 != sig_read_atomic(&sig_had_int )) { back = 0; }
  if (0 != sig_read_atomic(&sig_had_term)) { back = 0; }
  return back;
}



/**	Check whether we can continue.
	@return	1 for yes, 0 for no.
*/
static
int
dkdbt_can_continue(void)
{
  int		back	=	1;
  if (0 == sig_can_continue(1)) {
    back = 0;
  }
  return back;
}



static
void
dkdbt_copy_databases(void)
{
  /* ##### */
}



static
void
dkdbt_make_database(void)
{
  /* ##### */
}



static
void
dkdbt_show_database(void)
{
  dk4_er_t	 er;
  dk4_dbi_t	*dbi;
  const dkChar	*fn;
  int	 	 argc;

  argc = dk4app_get_argc(app);
  if (0 < argc) {
    if (3 > argc) {
      fn = dk4app_get_argv(app, 0);
      if (NULL != fn) {
        dk4error_init(&er);
	dbi = dk4dbi_open(fn, 0, 0, keymax, valmax, &er);
	if (NULL != dbi) {
	  dk4dbi_close(dbi, &er);
	}
      } else {
        /* ##### ERROR: Bug */
	exval = EXIT_FAILURE;
      }
    } else {
      /* ##### ERROR: Too many file names */
      exval = EXIT_FAILURE;
    }
  } else {
    /* ##### ERROR: At least one file name required */
    exval = EXIT_FAILURE;
  }
}



/**	Run with signal handlers installed.
*/
static
void
dkdbt_normal_run(void)
{
  dkChar		buf[32];
  const size_t		szbuf	= DK4_SIZEOF(buf,dkChar);
  int			bom	= 0;

  if (0 != dk4app_opt_is_set_short(app, dkT('m'), NULL)) {
    if (0 != dk4app_opt_is_set_short(app, dkT('t'), NULL)) {
      action = DKDBT_ACTION_NONE;
      exval = EXIT_FAILURE;
      /* ##### ERROR: Illegal option combination */
    } else {
      action = DKDBT_ACTION_FROM_TEXT;
      if (0 != dk4app_opt_is_set_short(app, dkT('a'), NULL)) {
        append = 1;
      }
      if (0 != dk4app_opt_is_set_short(app, dkT('i'), NULL)) {
        if (0 != dk4app_opt_get_string_short(buf,sz_buf,app,dkT('i'),NULL)) {
	  if (0 != dk4enc_find(&input_enc_s, &bom, buf, NULL)) {
	    input_enc_f = input_enc_s;
	  } else {
	    /* ##### ERROR: Illegal input encoding */
	    exit = EXIT_FAILURE;
	  }
	}
      }
    }
  } else {
    if (0 != dk4app_opt_is_set_short(app, dkT('t'), NULL)) {
      action = DKDBT_ACTION_TO_TEXT;
    } else {
      if (0 != dk4app_opt_is_set_short(app, dkT('a'), NULL)) {
        append = 1;
      }
    }
  }
  if (EXIT_SUCCESS == exval) {
    switch (action) {
      case DKDBT_ACTION_COPY : {
	dkdbt_copy_databases();
      } break;
      case DKDBT_ACTION_FROM_TEXT : {
        dkdbt_make_database();
      } break;
      case DKDBT_ACTION_TO_TEXT : {
        dkdbt_show_database();
      } break;
    }
  }
}



#if	DK4_HAVE_SIGACTION
/**	Set signal handlers and run.
*/
static
void
dkdbt_run_with_signal_handlers(void)
{
#ifdef SIGPIPE
  struct sigaction opipe;
#endif
  struct sigaction oint;
#ifdef SIGPIPE
  struct sigaction npipe;
#endif
  struct sigaction nint;
  struct sigaction oterm;
  struct sigaction nterm;
  int	 success = 0;

#ifdef SIGPIPE
  /*	Set up signal handling for SIGPIPE.
  */
  npipe.sa_handler = sig_handler_pipe;
  npipe.sa_flags = 0;
  if (0 != sigemptyset(&npipe.sa_mask)) {
    /* ERROR: Failed to set up masked signal set for SIGPIPE */
    dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 0);
    goto finished;
  }
  if (0 != sigaddset(&npipe.sa_mask, SIGPIPE)) {
    /* ERROR: Failed to set up masked signal set for SIGPIPE */
    dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 0);
    goto finished;
  }
  if (0 != sigaction(SIGPIPE, &npipe, &opipe)) {
    /* ERROR: Failed to set up signal handler for SIGPIPE */
    dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 0);
    goto finished;
  }
#endif

  /*	Set up signal handling for SIGINT.
  */
  nint.sa_handler = sig_handler_int;
  nint.sa_flags = 0;
  if (0 != sigemptyset(&nint.sa_mask)) {
    /* ERROR: Failed to set up masked signal set for SIGINT */
    dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 0);
    goto restore_old_pipe;
  }
  if (0 != sigaddset(&nint.sa_mask, SIGINT)) {
    /* ERROR: Failed to set up masked signal set for SIGINT */
    dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 0);
    goto restore_old_pipe;
  }
  if (0 != sigaction(SIGINT, &nint, &oint)) {
    /* ERROR: Failed to set up signal handler for SIGINT */
    dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 0);
    goto restore_old_pipe;
  }

  /*	Set up signal handling for SIGTERM
  */
  nterm.sa_handler = sig_handler_term;
  nterm.sa_flags = 0;
  if (0 != sigemptyset(&nterm.sa_mask)) {
    /* ERROR: Failed to set up masked signal set for SIGTERM */
    dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 0);
    goto restore_old_int;
  }
  if (0 != sigaddset(&nterm.sa_mask, SIGTERM)) {
    /* ERROR: Failed to set up masked signal set for SIGTERM */
    dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 0);
    goto restore_old_int;
  }
  if (0 != sigaction(SIGTERM, &nterm, &oterm)) {
    /* ERROR: Failed to set up signal handler for SIGTERM */
    dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 0);
    goto restore_old_int;
  }

  success = 1;
  dkdbt_normal_run();

  /*	Restore signal handling for SIGTERM.
  */
  if (0 != sigaction(SIGTERM, &oterm, NULL)) {
    /* ERROR: Failed to restore old SIGTERM settings */
    dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 1);
    success = 0;
  }

  /*	Restore signal handling for SIGINT.
  */
  restore_old_int:
  if (0 != sigaction(SIGINT, &oint, NULL)) {
    /* ERROR: Failed to restore old SIGPIPE settings */
    dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 1);
    success = 0;
  }

#ifdef SIGPIPE
  /*	Restore signal handling for SIGPIPE.
  */
  restore_old_pipe:
  if (0 != sigaction(SIGPIPE, &opipe, NULL)) {
    /* ERROR: Failed to restore old SIGPIPE settings */
    dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 1);
    success = 0;
  }
#endif

  /*	Set exit status code if error occured.
  */
  finished:
  if (0 == success) { exval = EXIT_FAILURE; }
}
#else
#if	DK4_HAVE_SIGSET
/**	Set signal handlers and run.
*/
static
void
dkdbt_run_with_signal_handlers(void)
{
#ifdef SIGPIPE
  dk4_sig_handler_t	*oldpipe = NULL;
#endif
  dk4_sig_handler_t	*oldint  = NULL;
  dk4_sig_handler_t	*oldterm = NULL;

#ifdef SIGPIPE
  oldpipe = sigset(SIGPIPE, sig_handler_pipe);
#endif
  oldint  = sigset(SIGINT,  sig_handler_int);
  oldterm = sigset(SIGTERM, sig_handler_term);
  dkdbt_normal_run();
  sigset(SIGTERM, oldterm);
  sigset(SIGINT,  oldint);
#ifdef SIGPIPE
  sigset(SIGPIPE, oldpipe);
#endif
}
#else
#if	DK4_HAVE_SIGNAL
/**	Set signal handlers and run.
*/
static
void
dkdbt_run_with_signal_handlers(void)
{
#ifdef SIGPIPE
  dk4_sig_handler_t	*oldpipe = NULL;
#endif
  dk4_sig_handler_t	*oldint  = NULL;
  dk4_sig_handler_t	*oldterm = NULL;

#ifdef SIGPIPE
  oldpipe = signal(SIGPIPE, sig_handler_pipe);
#endif
  oldint  = signal(SIGINT,  sig_handler_int);
  oldterm = signal(SIGTERM, sig_handler_term);
  dkdbt_normal_run();
  signal(SIGTERM, oldterm);
  signal(SIGINT,  oldint);
#ifdef SIGPIPE
  signal(SIGPIPE, oldpipe);
#endif
}
#else
/**	Set signal handlers and run.
*/
static
void
dkdbt_run_with_signal_handlers(void)
{
  dkdbt_normal_run();
}
#endif
#endif
#endif



/**	Main function.
	@param	argc	Number of command line arguments.
	@param	argv	Command line arguments array.
	@return	0 on success, all other values indicate errors.
*/
#if DK4_CHAR_SIZE > 1
int wmain(int argc, wchar_t *argv[])
#else
int main(int argc, char *argv[])
#endif
{
  dk4_sig_atomic_t	 shp	= 0;
  

#line 765 "dkdbt2.ctr"
  

#line 766 "dkdbt2.ctr"
  dk4fput_initialize_stdout();
  dk4fput_initialize_stderr();
  app = dk4app_open_cmd(
    argc, argv,
    dkdbt_options, dkdbt_sz_options,
    dkdbt_kwnl[0], version_text,
    dkdbt_kwnl[1], dkdbt_help_text, dkdbt_license_text
  );
  if (NULL != app) {
    dkdbt_sz_msg = dk4app_string_table_size(dkdbt_kw_def);
    dkdbt_msg = dk4app_string_table(app, dkdbt_kwnl[2], dkdbt_kw_def);
    if (0 != dk4app_can_run_normally(app)) {
      exval = EXIT_SUCCESS;
      dkdbt_run_with_signal_handlers();
#ifdef SIGPIPE
      shp = sig_read_atomic(&sig_had_pipe);
#endif
      if (0 != shp) {	

#line 784 "dkdbt2.ctr"
        /* ##### ERROR: Writing to pipe failed */
      }
      if (0 != sig_read_atomic(&sig_had_int)) {	

#line 787 "dkdbt2.ctr"
        /* ##### ERROR: Interrupted */
      }
    } else {
      if (0 != dk4app_help_version_license(app)) {
        exval = EXIT_SUCCESS;
      }
    }
    dk4app_close(app); app = NULL;
  }
  fflush(stdout);
  fflush(stderr);
  dk4fput_cleanup_stderr();
  dk4fput_cleanup_stdout();
  

#line 801 "dkdbt2.ctr"
  

#line 802 "dkdbt2.ctr"
  exit(exval); return exval;
}