gcc/file-find.h

   1 /* Prototypes and data structures used for implementing functions for
   2    finding files relative to GCC binaries.
   3    Copyright (C) 1992-2021 Free Software Foundation, Inc.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 3, or (at your option) any later
  10 version.
  11
  12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along 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
  27 struct prefix_list
  28 {
  29   const char *prefix;         /* String to prepend to the path.  */
  30   struct prefix_list *next;   /* Next in linked list.  */
  31 };
  32
  33 struct 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
  40 extern void find_file_set_debug (bool);
  41 extern char *find_a_file (struct path_prefix *, const char *, int);
  42 extern void add_prefix (struct path_prefix *, const char *);
  43 extern void add_prefix_begin (struct path_prefix *, const char *);
  44 extern void prefix_from_env (const char *, struct path_prefix *);
  45 extern void prefix_from_string (const char *, struct path_prefix *);
  46
  47 #endif /* GCC_FILE_FIND_H */