/* Prototypes and data structures used for implementing functions for
   finding files relative to GCC binaries.
   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011, 2012

This file is part of GCC.

GCC 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.

GCC 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 GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */

#ifndef GCC_FILE_FIND_H
#define GCC_FILE_FIND_H

/* Structure to hold all the directories in which to search for files to
   execute.  */

struct prefix_list
{
  const char *prefix;         /* String to prepend to the path.  */
  struct prefix_list *next;   /* Next in linked list.  */
};

struct path_prefix
{
  struct prefix_list *plist;  /* List of prefixes to try */
  int max_len;                /* Max length of a prefix in PLIST */
  const char *name;           /* Name of this list (used in config stuff) */
};

extern void find_file_set_debug (bool);
extern char *find_a_file (struct path_prefix *, const char *);
extern void add_prefix (struct path_prefix *, const char *);
extern void prefix_from_env (const char *, struct path_prefix *);
extern void prefix_from_string (const char *, struct path_prefix *);

#endif /* GCC_FILE_FIND_H */