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, 1993, 1994, 1995, 1996, 1997, 1998,
   4    1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011, 2012
   5    Free Software Foundation, Inc.
   6
   7 This file is part of GCC.
   8
   9 GCC is free software; you can redistribute it and/or modify it under
  10 the terms of the GNU General Public License as published by the Free
  11 Software Foundation; either version 3, or (at your option) any later
  12 version.
  13
  14 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  15 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  16 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  17 for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along with GCC; see the file COPYING3.  If not see
  21 <http://www.gnu.org/licenses/>.  */
  22
  23 #ifndef GCC_FILE_FIND_H
  24 #define GCC_FILE_FIND_H
  25
  26 /* Structure to hold all the directories in which to search for files to
  27    execute.  */
  28
  29 struct prefix_list
  30 {
  31   const char *prefix;         /* String to prepend to the path.  */
  32   struct prefix_list *next;   /* Next in linked list.  */
  33 };
  34
  35 struct path_prefix
  36 {
  37   struct prefix_list *plist;  /* List of prefixes to try */
  38   int max_len;                /* Max length of a prefix in PLIST */
  39   const char *name;           /* Name of this list (used in config stuff) */
  40 };
  41
  42 extern void find_file_set_debug (bool);
  43 extern char *find_a_file (struct path_prefix *, const char *);
  44 extern void add_prefix (struct path_prefix *, const char *);
  45 extern void prefix_from_env (const char *, struct path_prefix *);
  46 extern void prefix_from_string (const char *, struct path_prefix *);
  47
  48 #endif /* GCC_FILE_FIND_H */