/* Program name management.
  Copyright (C) 2001-2004, 2006 Free Software Foundation, Inc.
  Written by Bruno Haible <[email protected]>, 2001.

  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, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */

#ifndef _PROGNAME_H
#define _PROGNAME_H

/* Programs using this file should do the following in main():
    set_program_name (argv[0]);
*/


#ifdef __cplusplus
extern "C" {
#endif


/* String containing name the program is called with.  */
extern DLL_VARIABLE const char *program_name;

/* Set program_name, based on argv[0].  */
extern void set_program_name (const char *argv0);

#if ENABLE_RELOCATABLE

/* Set program_name, based on argv[0], and original installation prefix and
  directory, for relocatability.  */
extern void set_program_name_and_installdir (const char *argv0,
                                            const char *orig_installprefix,
                                            const char *orig_installdir);
#undef set_program_name
#define set_program_name(ARG0) \
 set_program_name_and_installdir (ARG0, INSTALLPREFIX, INSTALLDIR)

/* Return the full pathname of the current executable, based on the earlier
  call to set_program_name_and_installdir.  Return NULL if unknown.  */
extern char *get_full_program_name (void);

#endif


#ifdef __cplusplus
}
#endif


#endif /* _PROGNAME_H */