diff options
| -rw-r--r-- | lib/dirname.h | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/lib/dirname.h b/lib/dirname.h index 1688ae810..f9189c356 100644 --- a/lib/dirname.h +++ b/lib/dirname.h @@ -1,6 +1,6 @@ /* Take file names apart into directory and base names. - Copyright (C) 1998, 2001, 2003, 2004, 2005 Free Software Foundation, Inc. + Copyright (C) 1998, 2001, 2003-2006 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -31,16 +31,39 @@ # endif # ifndef FILE_SYSTEM_PREFIX_LEN -# define FILE_SYSTEM_PREFIX_LEN(File_name) 0 +# if FILE_SYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX + /* This internal macro assumes ASCII, but all hosts that support drive + letters use ASCII. */ +# define _IS_DRIVE_LETTER(c) (((unsigned int) (c) | ('a' - 'A')) - 'a' \ + <= 'z' - 'a') +# define FILE_SYSTEM_PREFIX_LEN(Filename) \ + (_IS_DRIVE_LETTER ((Filename)[0]) && (Filename)[1] == ':' ? 2 : 0) +# else +# define FILE_SYSTEM_PREFIX_LEN(Filename) 0 +# endif # endif -# define IS_ABSOLUTE_FILE_NAME(F) ISSLASH ((F)[FILE_SYSTEM_PREFIX_LEN (F)]) +# ifndef FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE +# define FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE 0 +# endif + +# ifndef DOUBLE_SLASH_IS_DISTINCT_ROOT +# define DOUBLE_SLASH_IS_DISTINCT_ROOT 1 +# endif + +# if FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE +# define IS_ABSOLUTE_FILE_NAME(F) ISSLASH ((F)[FILE_SYSTEM_PREFIX_LEN (F)]) +# else +# define IS_ABSOLUTE_FILE_NAME(F) \ + (ISSLASH ((F)[0]) || 0 < FILE_SYSTEM_PREFIX_LEN (F)) +# endif # define IS_RELATIVE_FILE_NAME(F) (! IS_ABSOLUTE_FILE_NAME (F)) char *base_name (char const *file); char *dir_name (char const *file); size_t base_len (char const *file); size_t dir_len (char const *file); +char *last_component (char const *file); bool strip_trailing_slashes (char *file); |