/*
# progname.h: Declarations for argv[0] equivalents.
#
# Copyright (C) 1994, 1996, 2011 Free Software Foundation, Inc.
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
#
*/


#ifndef KPATHSEA_PROGNAME_H
#define KPATHSEA_PROGNAME_H

#include "c-proto.h"
#include "types.h"

extern string program_invocation_name;
extern string program_invocation_short_name;
extern string kpse_program_name;

/* Set the first two variables above (if they're not predefined) to a copy
   of ARGV0 and everything in ARGV0 after the last directory separator,
   respectively.  Set kpse_program_name to a copy of PROGNAME or the
   or the value of program_invocation_short_name if PROGNAME is NULL.
   This function also determines the AUTO* variables. */

extern void kpse_set_program_name P2H(const_string argv0,
                                      const_string progname);

/* See also `kpse_reset_program_name' which is defined in tex-file.c

   That function is to be used to set kpse_program_name to a different
   value.  It clears the path searching information, to ensure that
   the search paths are appropriate to the new name. */

/* DEPRECATED
   Set first two variables above (if they're not predefined) to a copy of
   ARGV0 and everything in ARGV0 after the last directory separator,
   respectively.  kpse_program_name is _always_ set to a copy of everything
   in ARGV0 after the last directory separator. */

extern void kpse_set_progname P1H(const_string argv0);

#endif /* not KPATHSEA_PROGNAME_H */