2005-10-01 04:37:08 +00:00
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/* Take file names apart into directory and base names.
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2008-07-10 00:52:03 +00:00
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Copyright (C) 1998, 2001, 2003-2006 Free Software Foundation, Inc.
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2005-10-01 04:37:08 +00:00
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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2008-07-10 00:52:03 +00:00
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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2005-10-01 04:37:08 +00:00
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#ifndef DIRNAME_H_
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# define DIRNAME_H_ 1
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# include <stdbool.h>
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# include <stddef.h>
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# ifndef DIRECTORY_SEPARATOR
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# define DIRECTORY_SEPARATOR '/'
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# endif
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# ifndef ISSLASH
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# define ISSLASH(C) ((C) == DIRECTORY_SEPARATOR)
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# endif
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# ifndef FILE_SYSTEM_PREFIX_LEN
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2008-07-10 00:52:03 +00:00
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# if FILE_SYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX
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/* This internal macro assumes ASCII, but all hosts that support drive
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letters use ASCII. */
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# define _IS_DRIVE_LETTER(c) (((unsigned int) (c) | ('a' - 'A')) - 'a' \
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<= 'z' - 'a')
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# define FILE_SYSTEM_PREFIX_LEN(Filename) \
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(_IS_DRIVE_LETTER ((Filename)[0]) && (Filename)[1] == ':' ? 2 : 0)
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# else
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# define FILE_SYSTEM_PREFIX_LEN(Filename) 0
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# endif
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2005-10-01 04:37:08 +00:00
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# endif
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2008-07-10 00:52:03 +00:00
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# ifndef FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE
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# define FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE 0
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# endif
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# ifndef DOUBLE_SLASH_IS_DISTINCT_ROOT
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# define DOUBLE_SLASH_IS_DISTINCT_ROOT 0
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# endif
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# if FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE
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# define IS_ABSOLUTE_FILE_NAME(F) ISSLASH ((F)[FILE_SYSTEM_PREFIX_LEN (F)])
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# else
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# define IS_ABSOLUTE_FILE_NAME(F) \
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(ISSLASH ((F)[0]) || 0 < FILE_SYSTEM_PREFIX_LEN (F))
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# endif
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2005-10-01 04:37:08 +00:00
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# define IS_RELATIVE_FILE_NAME(F) (! IS_ABSOLUTE_FILE_NAME (F))
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2008-07-10 00:52:03 +00:00
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char *base_name (char const *file);
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char *dir_name (char const *file);
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size_t base_len (char const *file);
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size_t dir_len (char const *file);
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char *last_component (char const *file);
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2005-10-01 04:37:08 +00:00
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2008-07-10 00:52:03 +00:00
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bool strip_trailing_slashes (char *file);
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2005-10-01 04:37:08 +00:00
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#endif /* not DIRNAME_H_ */
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