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_ */
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