306 lines
8.2 KiB
C++
306 lines
8.2 KiB
C++
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/*++
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Copyright (c) 1995 Microsoft Corporation
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Module Name :
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lsaux.hxx
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Abstract:
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This header declares all the auxiliary types, data and functions
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required for processing ls command in ftp service.
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Author:
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Murali R. Krishnan ( MuraliK ) 2-May-1995
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Environment:
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Win32 -- User Mode
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Project:
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FTP Server DLL
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Revision History:
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--*/
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# ifndef _LSAUX_HXX_
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# define _LSAUX_HXX_
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/************************************************************
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* Include Headers
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************************************************************/
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# include "tsunami.hxx"
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/************************************************************
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* Type Definitions
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************************************************************/
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/**********************************************************************
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* Symbolic Constants
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**********************************************************************/
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// Attribute query macros.
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#define IS_HIDDEN(dwAttrib) \
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((((dwAttrib) & FILE_ATTRIBUTE_HIDDEN) == 0)? FALSE: TRUE)
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#define IS_SYSTEM(dwAttrib) \
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((((dwAttrib) & FILE_ATTRIBUTE_SYSTEM) == 0)? FALSE: TRUE)
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#define IS_DIR(dwAttrib) \
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((((dwAttrib) & FILE_ATTRIBUTE_DIRECTORY) == 0)? FALSE: TRUE)
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#define IS_EMPTY_PATH(pszPath) ((pszPath == NULL ) || ( *pszPath == '\0'))
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#define NULL_TIME(x) (((x).LowPart | (x).HighPart) == 0)
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#define NULL_FILE_TIME(x) (((x).dwLowDateTime | (x).dwHighDateTime) == 0)
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#define FILE_MODE_R 0x0001
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#define FILE_MODE_W 0x0002
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#define FILE_MODE_X 0x0004
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#define FILE_MODE_ALL 0x0007
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/**********************************************************************
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* Type Definitions
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**********************************************************************/
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enum LS_OUTPUT {
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LsOutputSingleColumn = 0, // -1 (default)
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LsOutputLongFormat, // -l
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MaxLsOutput // Must be last!
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};
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enum LS_SORT { // ls sorting method to be used.
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LsSortByName = 0, // (default)
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LsSortByWriteTime, // -t
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LsSortByCreationTime, // -c
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LsSortByAccessTime, // -u
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MaxLsSort // Must be last!
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};
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enum LS_STYLE {
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LsStyleMsDos = 0, // default
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LsStyleUnix,
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MaxLsStyle // Must be last!
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}; // enum LS_STYLE
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typedef struct _LS_OPTIONS // LS options set by switches.
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{
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LS_OUTPUT OutputFormat; // Output format.
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LS_SORT SortMethod; // Sorting method.
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BOOL fReverseSort; // Reverse sort order if TRUE.
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BOOL fDecorate; // Decorate dirs if TRUE (-F).
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BOOL fShowAll; // Show all files.
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BOOL fShowDotDot; // Show . and ..
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BOOL fRecursive; // Recursive listing (-R).
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BOOL fFourDigitYear; // Display 4 digit year.
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LS_STYLE lsStyle;
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} LS_OPTIONS;
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typedef struct _LS_FORMAT_INFO
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{
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//
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// stores information required for long formatting operations
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// Used for avoiding sending multiple parameters in function call
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// for formatting information.
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// Also allows to include/exclude information relevant for formatting
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//
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// Following information dont change often. They are directory specific
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// These are required only in non-MsDos ( UNIX) long format output.
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BOOL fVolumeReadable; // Is this volume readable?
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BOOL fVolumeWritable; // Is this volume writable?
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BOOL fFourDigitYear; // Display year in 4 digit
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WORD wCurrentYear; // current year required for UNIX format
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HANDLE hUserToken; // token for the user requesting info
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CHAR * pszPathPart; // pointer to null-terminated path part
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// following may change for each file in a directory
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const char * pszFileName; // name of the file
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SYSTEMTIME stFile; // time to be formatted for file
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const char * pszDecorate; // what is the decoration character?
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} LS_FORMAT_INFO;
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struct FTP_LS_FILTER_INFO {
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BOOL fFilterHidden; // should we filter off Hidden Files?
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BOOL fFilterSystem; // should we filter off System Files?
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BOOL fFilterDotDot; // should we filter off files starting with '.' ?
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// If case is ignored, then expression should be in upper case
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BOOL fIgnoreCase; // should we ignore case??
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BOOL fRegExpression; // supplied expression is a regular expression
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LPCSTR pszExpression; // the expression to be used for filename compare
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};
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/**************************************************
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* LS_BUFFER definition and functions
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**************************************************/
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class LS_BUFFER {
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public:
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LS_BUFFER( VOID)
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: m_pb ( NULL),
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m_cbTotal ( 0),
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m_cbCur ( 0)
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{}
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~LS_BUFFER(VOID)
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{ FreeBuffer(); }
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DWORD AllocateBuffer( DWORD cb)
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{
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m_pb = (BYTE *) TCP_ALLOC( cb);
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m_cbCur = 0;
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m_cbTotal = (m_pb != NULL) ? cb : 0;
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return ( m_pb == NULL) ? ERROR_NOT_ENOUGH_MEMORY : NO_ERROR;
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}
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VOID FreeBuffer( VOID)
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{
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if ( m_pb != NULL) {
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TCP_FREE( m_pb);
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m_pb = NULL;
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m_cbTotal = m_cbCur = 0;
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}
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}
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BYTE * QueryBufferPtr(VOID) const { return ( m_pb); }
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DWORD QueryCB(VOID) const { return (m_cbCur); }
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DWORD QueryRemainingCB(VOID) const { return ( m_cbTotal - m_cbCur); }
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VOID IncrementCB(IN DWORD cbUsed) { m_cbCur += cbUsed; }
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CHAR * QueryAppendPtr(VOID) { return (CHAR *) (m_pb + m_cbCur); }
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VOID ResetAppendPtr(VOID) { m_cbCur = 0; }
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CHAR * QueryBuffer(VOID) const { return (CHAR *) QueryBufferPtr(); }
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private:
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BYTE * m_pb;
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DWORD m_cbTotal;
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DWORD m_cbCur;
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}; // class LS_BUFFER
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# define DEFAULT_LS_BUFFER_ALLOC_SIZE ( 4096)
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# define MIN_LS_BUFFER_SIZE ( 2 * MAX_PATH)
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/**********************************************************************
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* Prototypes of Functions
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**********************************************************************/
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// comparison routines used for sorting of type (PFN_CMP_WIN32_FIND_DATA);
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int __cdecl
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CompareNamesInFileInfo(
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IN const void * pvFileInfo1,
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IN const void * pvFileInfo2
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);
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int __cdecl
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CompareNamesRevInFileInfo(
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IN const void * pvFileInfo1,
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IN const void * pvFileInfo2
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);
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int __cdecl
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CompareWriteTimesInFileInfo(
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IN const void * pvFileInfo1,
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IN const void * pvFileInfo2
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);
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int __cdecl
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CompareWriteTimesRevInFileInfo(
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IN const void * pvFileInfo1,
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IN const void * pvFileInfo2
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);
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int __cdecl
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CompareAccessTimesInFileInfo(
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IN const void * pvFileInfo1,
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IN const void * pvFileInfo2
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);
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int __cdecl
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CompareAccessTimesRevInFileInfo(
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IN const void * pvFileInfo1,
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IN const void * pvFileInfo2
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);
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int __cdecl
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CompareCreationTimesInFileInfo(
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IN const void * pvFileInfo1,
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IN const void * pvFileInfo2
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);
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int __cdecl
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CompareCreationTimesRevInFileInfo(
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IN const void * pvFileInfo1,
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IN const void * pvFileInfo2
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);
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DWORD
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ComputeModeBits(
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IN HANDLE hUserToken,
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IN const CHAR * pszPathPart,
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IN const WIN32_FIND_DATA * pfdInfo,
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IN LPDWORD pcLinks,
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IN BOOL fVolumeReadable,
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IN BOOL fVolumeWritable
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);
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APIERR
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ComputeFileInfo(
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IN HANDLE hUserToken,
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IN CHAR * pszFile,
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IN DWORD * pdwAccessGranted,
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IN DWORD * pcLinks
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);
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DWORD
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GetFsFlags( IN CHAR chDrive);
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APIERR
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GetDirectoryInfo(
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IN LPUSER_DATA pUserData,
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OUT TS_DIRECTORY_INFO * pTsDirInfo,
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IN CHAR * pszSearchPath,
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IN const FTP_LS_FILTER_INFO * pfls,
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IN PFN_CMP_WIN32_FIND_DATA pfnCompare
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);
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const FILETIME *
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PickFileTime(IN const WIN32_FIND_DATA * pfdInfo,
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IN const LS_OPTIONS * pOptions);
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# endif // _LSAUX_HXX_
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/************************ End of File ***********************/
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