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