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-rw-r--r--lib/dirname.h41
1 files changed, 32 insertions, 9 deletions
diff --git a/lib/dirname.h b/lib/dirname.h
index bc2400a7d0a8..91e7ed33666f 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 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
@@ -14,7 +14,7 @@
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
#ifndef DIRNAME_H_
# define DIRNAME_H_ 1
@@ -31,17 +31,40 @@
# endif
# ifndef FILE_SYSTEM_PREFIX_LEN
-# define FILE_SYSTEM_PREFIX_LEN(Filename) 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 0
+# 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 *path);
-char *dir_name (char const *path);
-size_t base_len (char const *path);
-size_t dir_len (char const *path);
+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 *path);
+bool strip_trailing_slashes (char *file);
#endif /* not DIRNAME_H_ */