posix/include/psx/path.h

   1 /* $Id: path.h,v 1.2 2002/02/20 09:17:55 hyperion Exp $
   2  */
   3 /*
   4  * psx/path.h
   5  *
   6  * POSIX+ subsystem path functions
   7  *
   8  * This file is part of the ReactOS Operating System.
   9  *
  10  * Contributors:
  11  *  Created by KJK::Hyperion <noog@libero.it>
  12  *
  13  *  THIS SOFTWARE IS NOT COPYRIGHTED
  14  *
  15  *  This source code is offered for use in the public domain. You may
  16  *  use, modify or distribute it freely.
  17  *
  18  *  This code is distributed in the hope that it will be useful but
  19  *  WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
  20  *  DISCLAMED. This includes but is not limited to warranties of
  21  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  22  *
  23  */
  24 #ifndef __PSX_PATH_H_INCLUDED__
  25 #define __PSX_PATH_H_INCLUDED__
  26
  27 /* INCLUDES */
  28 #include <ddk/ntddk.h>
  29
  30 /* OBJECTS */
  31
  32 /* TYPES */
  33
  34 /* CONSTANTS */
  35
  36 /* PROTOTYPES */
  37 BOOLEAN
  38 __PdxPosixPathGetNextComponent_U
  39 (
  40  IN UNICODE_STRING PathName,
  41  IN OUT PUNICODE_STRING PathComponent,
  42  OUT PBOOLEAN TrailingDelimiter OPTIONAL
  43 );
  44
  45 BOOLEAN
  46 __PdxPosixPathResolve_U
  47 (
  48  IN UNICODE_STRING PathName,
  49  OUT PUNICODE_STRING ResolvedPathName,
  50  IN WCHAR PathDelimiter OPTIONAL
  51 );
  52
  53 BOOLEAN
  54 __PdxPosixPathGetNextComponent_A
  55 (
  56  IN ANSI_STRING PathName,
  57  IN OUT PANSI_STRING PathComponent,
  58  OUT PBOOLEAN TrailingDelimiter OPTIONAL
  59 );
  60
  61 BOOLEAN
  62 __PdxPosixPathResolve_A
  63 (
  64  IN ANSI_STRING PathName,
  65  OUT PANSI_STRING ResolvedPathName,
  66  IN CHAR PathDelimiter OPTIONAL
  67 );
  68
  69 BOOLEAN
  70 __PdxPosixPathNameToNtPathName
  71 (
  72  IN PWCHAR PosixPath,
  73         OUT PUNICODE_STRING NativePath,
  74         IN PUNICODE_STRING CurDir OPTIONAL,
  75  IN PUNICODE_STRING RootDir OPTIONAL
  76 );
  77
  78 /* MACROS */
  79 /* returns non-zero if the argument is a path delimiter */
  80 #define IS_CHAR_DELIMITER_U(WCH) (((WCH) == L'/') || ((WCH) == L'\\'))
  81 #define IS_CHAR_DELIMITER_A(CH)  (((CH) == '/') || ((CH) == '\\'))
  82
  83 /* returns non-zero if the argument is an empty path component */
  84 #define IS_COMPONENT_EMPTY_U(WCOMPONENT) (WCOMPONENT.Length == 0)
  85 #define IS_COMPONENT_EMPTY_A(COMPONENT)  (COMPONENT.Length == 0)
  86
  87 /* returns non-zero if the argument is "." */
  88 #define IS_COMPONENT_DOT_U(WCOMPONENT) \
  89 ((WCOMPONENT.Length == sizeof(WCHAR)) && (WCOMPONENT.Buffer[0] == L'.'))
  90
  91 #define IS_COMPONENT_DOT_A(COMPONENT) \
  92 ((COMPONENT.Length == 1) && (COMPONENT.Buffer[0] == '.'))
  93
  94 /* returns non-zero if the argument is ".." */
  95 #define IS_COMPONENT_DOTDOT_U(WCOMPONENT) \
  96 ( \
  97  (WCOMPONENT.Length == (sizeof(WCHAR) * 2)) && \
  98  (WCOMPONENT.Buffer[0] == L'.') && \
  99  (WCOMPONENT.Buffer[1] == L'.') \
 100 )
 101
 102 #define IS_COMPONENT_DOTDOT_A(COMPONENT) \
 103 ( \
 104  (COMPONENT.Length == 2) && \
 105  (COMPONENT.Buffer[0] == '.') && \
 106  (COMPONENT.Buffer[1] == '.') \
 107 )
 108
 109 #endif /* __PSX_PATH_H_INCLUDED__ */
 110
 111 /* EOF */
 112