sal/systools/win32/uwinapi/MoveFileExA.cpp

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  30
  31 #include "macros.h"
  32
  33 #define WININIT_FILENAME        "wininit.ini"
  34 #define RENAME_SECTION          "rename"
  35
  36 IMPLEMENT_THUNK( kernel32, WINDOWS, BOOL, WINAPI, MoveFileExA, ( LPCSTR lpExistingFileNameA, LPCSTR lpNewFileNameA, DWORD dwFlags ) )
  37 {
  38     BOOL        fSuccess = FALSE;       // assume failure
  39
  40     // Windows 9x has a special mechanism to move files after reboot
  41
  42     if ( dwFlags & MOVEFILE_DELAY_UNTIL_REBOOT )
  43     {
  44         CHAR    szExistingFileNameA[MAX_PATH];
  45         CHAR    szNewFileNameA[MAX_PATH] = "NUL";
  46
  47         // Path names in WININIT.INI must be in short path name form
  48
  49         if (
  50             GetShortPathNameA( lpExistingFileNameA, szExistingFileNameA, MAX_PATH ) &&
  51             (!lpNewFileNameA || GetShortPathNameA( lpNewFileNameA, szNewFileNameA, MAX_PATH ))
  52             )
  53         {
  54             CHAR        szBuffer[32767];        // The buffer size must not exceed 32K
  55             DWORD       dwBufLen = GetPrivateProfileSectionA( RENAME_SECTION, szBuffer, elementsof(szBuffer), WININIT_FILENAME );
  56
  57             CHAR        szRename[MAX_PATH];     // This is enough for at most to times 67 chracters
  58             strcpy( szRename, szNewFileNameA );
  59             strcat( szRename, "=" );
  60             strcat( szRename, szExistingFileNameA );
  61             size_t      lnRename = strlen(szRename);
  62
  63             if ( dwBufLen + lnRename + 2 <= elementsof(szBuffer) )
  64             {
  65                 CopyMemory( &szBuffer[dwBufLen], szRename, lnRename );
  66                 szBuffer[dwBufLen + lnRename ] = 0;
  67                 szBuffer[dwBufLen + lnRename + 1 ] = 0;
  68
  69                 fSuccess = WritePrivateProfileSectionA( RENAME_SECTION, szBuffer, WININIT_FILENAME );
  70             }
  71             else
  72                 SetLastError( ERROR_BUFFER_OVERFLOW );
  73         }
  74     }
  75     else
  76     {
  77
  78         fSuccess = MoveFileA( lpExistingFileNameA, lpNewFileNameA );
  79
  80         if ( !fSuccess && 0 != (dwFlags & (MOVEFILE_COPY_ALLOWED | MOVEFILE_REPLACE_EXISTING)) )
  81         {
  82             BOOL        bFailIfExist = 0 == (dwFlags & MOVEFILE_REPLACE_EXISTING);
  83
  84             fSuccess = CopyFileA( lpExistingFileNameA, lpNewFileNameA, bFailIfExist );
  85
  86             // In case of successfull copy do not return FALSE if delete fails.
  87             // Error detection is done by GetLastError()
  88
  89             if ( fSuccess )
  90             {
  91                 SetLastError( NO_ERROR );
  92                 DeleteFileA( lpExistingFileNameA );
  93             }
  94         }
  95
  96     }
  97
  98     return fSuccess;
  99 }
 100