1/* Prototypes and data structures used for implementing functions for
2 finding files relative to GCC binaries.
3 Copyright (C) 1992-2017 Free Software Foundation, Inc.
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify it under
8the terms of the GNU General Public License as published by the Free
9Software Foundation; either version 3, or (at your option) any later
10version.
11
12GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13WARRANTY; without even the implied warranty of MERCHANTABILITY or
14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING3. If not see
19<http://www.gnu.org/licenses/>. */
20
21#ifndef GCC_FILE_FIND_H
22#define GCC_FILE_FIND_H
23
24/* Structure to hold all the directories in which to search for files to
25 execute. */
26
27struct prefix_list
28{
29 const char *prefix; /* String to prepend to the path. */
30 struct prefix_list *next; /* Next in linked list. */
31};
32
33struct path_prefix
34{
35 struct prefix_list *plist; /* List of prefixes to try */
36 int max_len; /* Max length of a prefix in PLIST */
37 const char *name; /* Name of this list (used in config stuff) */
38};
39
40extern void find_file_set_debug (bool);
41extern char *find_a_file (struct path_prefix *, const char *, int);
42extern void add_prefix (struct path_prefix *, const char *);
43extern void add_prefix_begin (struct path_prefix *, const char *);
44extern void prefix_from_env (const char *, struct path_prefix *);
45extern void prefix_from_string (const char *, struct path_prefix *);
46
47#endif /* GCC_FILE_FIND_H */
48