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/* This file is part of GNU Pies. -*- c -*-
   Copyright (C) 2008-2017 Sergey Poznyakoff

   GNU Pies 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 3, or (at your option)
   any later version.

   GNU Pies 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 GNU Pies.  If not, see <http://www.gnu.org/licenses/>. */

OPTIONS_BEGIN("pies",
              [<process invocation and execution supervisor>],
	      [<>],
	      [<gnu>],
              [<copyright_year=2008-2017>],
              [<copyright_holder=Sergey Poznyakoff>])

GROUP(Operation Mode)

OPTION(config-file,c,FILE,
       [<use FILE instead of the default configuration>])
BEGIN
  config_file_add (current_syntax, optarg);
END

OPTION(config-help,,,
       [<show configuration file summary>])
BEGIN
  config_help ();
  exit (0);
END

OPTION(,E,,
       [<preprocess config and exit>])
BEGIN
  preprocess_only = 1;
END       

OPTION(force,,,
       [<force startup even if another instance may be running>])
BEGIN
  force_option = 1;
END

OPTION(foreground,,,
       [<remain in foreground>])
BEGIN
  log_to_stderr_only = 1;
  foreground = 1;
END

OPTION(no-init,,,
       [<don't suppose SysV init mode if PID is 1>])
BEGIN
  /* handled separately */
END

OPTION(inetd,i,,
       [<run in inetd mode>])
BEGIN
  if (!instance)
    instance = "inetd";
  current_syntax = &config_syntax_tab[CONF_INETD];
  inetd_mode = 1;
END
       
OPTION(instance,,NAME,
       [<set instance name>])
BEGIN
  instance = optarg;
END
       
OPTION(rate,,NUMBER,
       [<set default maximum rate for inetd-style components>])
BEGIN
  char *p;
  default_max_rate = strtoul (optarg, &p, 10);
  if (*p)
    {
      logmsg (LOG_ERR, _("not a number: %s"), optarg);
      exit (EX_USAGE);
    }
END
       
OPTION(stderr,,,
       [<log to stderr>])
BEGIN
  log_to_stderr_only = 1;
END
       
OPTION(syntax,,[<{pies|meta1|inetd|inittab}>],
       [<expect configuration files in the given syntax>])
BEGIN
  current_syntax = str_to_config_syntax (optarg);
  if (!current_syntax)
    {
      logmsg (LOG_ERR, _("unknown syntax type: %s"), optarg);
      exit (EX_USAGE);
    }
END
       
OPTION(syslog,,,
       [<log to syslog>])
BEGIN
  log_to_stderr_only = 0;
END
       
OPTION(lint,t,,
       [<parse configuration file and exit>])
BEGIN
  log_to_stderr_only = 1;
  lint_mode = 1;
END

OPTION(telinit,T,,
       [<telinit command: run "pies -T --help" for help>])
BEGIN
  log_to_stderr_only = 1;
  exit (telinit (argc - (optind - 1), argv + (optind - 1)));
END

GROUP(Preprocessor)

OPTION(include-directory,I,DIR,
       [<add include directory>])
BEGIN
  grecs_preproc_add_include_dir(optarg);
END

OPTION(define,D,[<NAME[=VALUE]>],
       [<define a preprocessor symbol NAME as having VALUE or empty>])
BEGIN
  pp_add_option ("-D", optarg);
END
       
OPTION(undefine,U,NAME,
       [<undefine a preprocessor symbol NAME>])
BEGIN
  pp_add_option ("-U", optarg);
END
       
GROUP(Component Management)

OPTION(reload,r,,
       [<reload the running instance of pies>])
ALIAS(hup)
BEGIN
  log_to_stderr_only = 1;
  command = COM_RELOAD;
END

OPTION(restart-component,R,,
       [<restart components named in the command line>])
BEGIN
  log_to_stderr_only = 1;
  command = COM_RESTART_COMPONENT;
END
       
OPTION(status,s,,
       [<display info about the running instance>])
BEGIN
  log_to_stderr_only = 1;
  command = COM_STATUS;
END
       
OPTION(stop,S,,
       [<stop the running instance>])
BEGIN
  log_to_stderr_only = 1;
  command = COM_STOP;
END
       
GROUP(Debugging and Additional Diagnostics)

OPTION(dump-depmap,,,
       [<dump dependency map>])
BEGIN
  log_to_stderr_only = 1;
  command = COM_DUMP_DEPMAP;
END
       
OPTION(trace-depend,,,
       [<trace dependencies>])
BEGIN
  log_to_stderr_only = 1;
  command = COM_TRACE_DEPEND;  
END

OPTION(trace-prereq,,,
       [<trace prerequisites>])
BEGIN
  log_to_stderr_only = 1;
  command = COM_TRACE_PREREQ;  
END

OPTION(source-info,,,
       [<show source info with debugging messages>])
BEGIN
  source_info_option = 1;
END
       
OPTION(debug,x,LEVEL,
       [<set debug verbosity level>])
BEGIN
  debug_level = strtoul (optarg, NULL, 0);
END
       
OPTIONS_END

void
parse_options (int *pargc, char ***pargv)
{
  int argc = *pargc;
  char **argv = *pargv;
  int index;
  
  if (init_process)
    {
      sysvinit_parse_argv (argc, argv);
      index = argc;
    }
  else
    {
      GETOPT(argc, argv, index);
    }
  *pargc -= index;
  *pargv += index;
}

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