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Annotation of embedaddon/libiconv/srclib/dosname.h, revision 1.1

1.1     ! misho       1: /* File names on MS-DOS/Windows systems.
        !             2: 
        !             3:    Copyright (C) 2000-2001, 2004-2006, 2009-2011 Free Software Foundation, Inc.
        !             4: 
        !             5:    This program is free software: you can redistribute it and/or modify
        !             6:    it under the terms of the GNU General Public License as published by
        !             7:    the Free Software Foundation; either version 3 of the License, or
        !             8:    (at your option) any later version.
        !             9: 
        !            10:    This program is distributed in the hope that it will be useful,
        !            11:    but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            12:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            13:    GNU General Public License for more details.
        !            14: 
        !            15:    You should have received a copy of the GNU General Public License
        !            16:    along with this program.  If not, see <http://www.gnu.org/licenses/>.
        !            17: 
        !            18:    From Paul Eggert and Jim Meyering.  */
        !            19: 
        !            20: #ifndef _DOSNAME_H
        !            21: #define _DOSNAME_H
        !            22: 
        !            23: #if (defined _WIN32 || defined __WIN32__ ||     \
        !            24:      defined __MSDOS__ || defined __CYGWIN__ || \
        !            25:      defined __EMX__ || defined __DJGPP__)
        !            26:    /* This internal macro assumes ASCII, but all hosts that support drive
        !            27:       letters use ASCII.  */
        !            28: # define _IS_DRIVE_LETTER(C) (((unsigned int) (C) | ('a' - 'A')) - 'a'  \
        !            29:                               <= 'z' - 'a')
        !            30: # define FILE_SYSTEM_PREFIX_LEN(Filename) \
        !            31:           (_IS_DRIVE_LETTER ((Filename)[0]) && (Filename)[1] == ':' ? 2 : 0)
        !            32: # ifndef __CYGWIN__
        !            33: #  define FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE 1
        !            34: # endif
        !            35: # define ISSLASH(C) ((C) == '/' || (C) == '\\')
        !            36: #else
        !            37: # define FILE_SYSTEM_PREFIX_LEN(Filename) 0
        !            38: # define ISSLASH(C) ((C) == '/')
        !            39: #endif
        !            40: 
        !            41: #ifndef FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE
        !            42: # define FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE 0
        !            43: #endif
        !            44: 
        !            45: #if FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE
        !            46: #  define IS_ABSOLUTE_FILE_NAME(F) ISSLASH ((F)[FILE_SYSTEM_PREFIX_LEN (F)])
        !            47: # else
        !            48: #  define IS_ABSOLUTE_FILE_NAME(F)                              \
        !            49:      (ISSLASH ((F)[0]) || FILE_SYSTEM_PREFIX_LEN (F) != 0)
        !            50: #endif
        !            51: #define IS_RELATIVE_FILE_NAME(F) (! IS_ABSOLUTE_FILE_NAME (F))
        !            52: 
        !            53: #endif /* DOSNAME_H_ */