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  1. /* Macros for taking apart, interpreting and processing file names.
  2.  
  3.    These are here because some non-Posix (a.k.a. DOSish) systems have
  4.    drive letter brain-damage at the beginning of an absolute file name,
  5.    use forward- and back-slash in path names interchangeably, and
  6.    some of them have case-insensitive file names.
  7.  
  8.    Copyright 2000, 2001, 2007 Free Software Foundation, Inc.
  9.  
  10. This file is part of BFD, the Binary File Descriptor library.
  11.  
  12. This program is free software; you can redistribute it and/or modify
  13. it under the terms of the GNU General Public License as published by
  14. the Free Software Foundation; either version 2 of the License, or
  15. (at your option) any later version.
  16.  
  17. This program is distributed in the hope that it will be useful,
  18. but WITHOUT ANY WARRANTY; without even the implied warranty of
  19. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20. GNU General Public License for more details.
  21.  
  22. You should have received a copy of the GNU General Public License
  23. along with this program; if not, write to the Free Software
  24. Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  25.  
  26. #ifndef FILENAMES_H
  27. #define FILENAMES_H
  28.  
  29. #ifdef __cplusplus
  30. extern "C" {
  31. #endif
  32.  
  33. #if defined(__MSDOS__) || defined(_WIN32) || defined(__OS2__) || defined (__CYGWIN__)
  34.  
  35. #ifndef HAVE_DOS_BASED_FILE_SYSTEM
  36. #define HAVE_DOS_BASED_FILE_SYSTEM 1
  37. #endif
  38.  
  39. #define IS_DIR_SEPARATOR(c)     ((c) == '/' || (c) == '\\')
  40. /* Note that IS_ABSOLUTE_PATH accepts d:foo as well, although it is
  41.    only semi-absolute.  This is because the users of IS_ABSOLUTE_PATH
  42.    want to know whether to prepend the current working directory to
  43.    a file name, which should not be done with a name like d:foo.  */
  44. #define IS_ABSOLUTE_PATH(f)     (IS_DIR_SEPARATOR((f)[0]) || (((f)[0]) && ((f)[1] == ':')))
  45.  
  46. #else  /* not DOSish */
  47.  
  48. #define IS_DIR_SEPARATOR(c)     ((c) == '/')
  49. #define IS_ABSOLUTE_PATH(f)     (IS_DIR_SEPARATOR((f)[0]))
  50.  
  51. #endif /* not DOSish */
  52.  
  53. extern int filename_cmp (const char *s1, const char *s2);
  54. #define FILENAME_CMP(s1, s2)    filename_cmp(s1, s2)
  55.  
  56. #ifdef __cplusplus
  57. }
  58. #endif
  59.  
  60. #endif /* FILENAMES_H */
  61.