reactos/lib/syssetup/logfile.c

   1 /*
   2  *  ReactOS kernel
   3  *  Copyright (C) 2003 ReactOS Team
   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 2 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, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19 /* $Id$
  20  *
  21  * COPYRIGHT:         See COPYING in the top level directory
  22  * PROJECT:           ReactOS system libraries
  23  * PURPOSE:           Log file functions
  24  * FILE:              lib/syssetup/logfile.c
  25  * PROGRAMER:         Eric Kohl
  26  */
  27
  28 /* INCLUDES *****************************************************************/
  29 #define WIN32_NO_STATUS
  30 #include <windows.h>
  31 #define NTOS_MODE_USER
  32 #include <ndk/ntndk.h>
  33
  34 #include <syssetup/syssetup.h>
  35
  36
  37 /* GLOBALS ******************************************************************/
  38
  39 HANDLE hLogFile = NULL;
  40
  41
  42 /* FUNCTIONS ****************************************************************/
  43
  44 BOOL STDCALL
  45 InitializeSetupActionLog (BOOL bDeleteOldLogFile)
  46 {
  47   WCHAR szFileName[MAX_PATH];
  48
  49   GetWindowsDirectoryW (szFileName,
  50                         MAX_PATH);
  51
  52   if (szFileName[wcslen (szFileName)] != L'\\')
  53     {
  54       wcsncat (szFileName,
  55                L"\\",
  56                MAX_PATH);
  57     }
  58   wcsncat (szFileName,
  59            L"setuplog.txt",
  60            MAX_PATH);
  61
  62   if (bDeleteOldLogFile != FALSE)
  63     {
  64       SetFileAttributesW (szFileName,
  65                           FILE_ATTRIBUTE_NORMAL);
  66       DeleteFileW (szFileName);
  67     }
  68
  69   hLogFile = CreateFileW (szFileName,
  70                           GENERIC_READ | GENERIC_WRITE,
  71                           FILE_SHARE_READ | FILE_SHARE_WRITE,
  72                           NULL,
  73                           OPEN_ALWAYS,
  74                           FILE_ATTRIBUTE_NORMAL,
  75                           NULL);
  76   if (hLogFile == INVALID_HANDLE_VALUE)
  77     {
  78       hLogFile = NULL;
  79       return FALSE;
  80     }
  81
  82   return TRUE;
  83 }
  84
  85
  86 VOID STDCALL
  87 TerminateSetupActionLog (VOID)
  88 {
  89   if (hLogFile != NULL)
  90     {
  91       CloseHandle (hLogFile);
  92       hLogFile = NULL;
  93     }
  94 }
  95
  96
  97 BOOL STDCALL
  98 LogItem (DWORD dwSeverity,
  99          LPWSTR lpMessageText)
 100 {
 101   LPSTR lpNewLine = "\r\n";
 102   LPSTR lpSeverityString;
 103   LPSTR lpMessageString;
 104   DWORD dwMessageLength;
 105   DWORD dwMessageSize;
 106   DWORD dwWritten;
 107
 108   /* Get the severity code string */
 109   switch (dwSeverity)
 110     {
 111       case SYSSETUP_SEVERITY_INFORMATION:
 112         lpSeverityString = "Information : ";
 113         break;
 114
 115       case SYSSETUP_SEVERITY_WARNING:
 116         lpSeverityString = "Warning : ";
 117         break;
 118
 119       case SYSSETUP_SEVERITY_ERROR:
 120         lpSeverityString = "Error : ";
 121         break;
 122
 123       case SYSSETUP_SEVERITY_FATAL_ERROR:
 124         lpSeverityString = "Fatal error : ";
 125         break;
 126
 127       default:
 128         lpSeverityString = "Unknown : ";
 129         break;
 130     }
 131
 132   /* Get length of the converted ansi string */
 133   dwMessageLength = wcslen(lpMessageText) * sizeof(WCHAR);
 134   RtlUnicodeToMultiByteSize (&dwMessageSize,
 135                              lpMessageText,
 136                              dwMessageLength);
 137
 138   /* Allocate message string buffer */
 139   lpMessageString = (LPSTR) HeapAlloc (GetProcessHeap (),
 140                                        HEAP_ZERO_MEMORY,
 141                                        dwMessageSize);
 142   if (lpMessageString == NULL)
 143     {
 144       return FALSE;
 145     }
 146
 147   /* Convert unicode to ansi */
 148   RtlUnicodeToMultiByteN (lpMessageString,
 149                           dwMessageSize,
 150                           NULL,
 151                           lpMessageText,
 152                           dwMessageLength);
 153
 154   /* Set file pointer to the end of the file */
 155   SetFilePointer (hLogFile,
 156                   0,
 157                   NULL,
 158                   FILE_END);
 159
 160   /* Write severity code */
 161   WriteFile (hLogFile,
 162              lpSeverityString,
 163              strlen (lpSeverityString),
 164              &dwWritten,
 165              NULL);
 166
 167   /* Write message string */
 168   WriteFile (hLogFile,
 169              lpMessageString,
 170              dwMessageSize,
 171              &dwWritten,
 172              NULL);
 173
 174   /* Write newline */
 175   WriteFile (hLogFile,
 176              lpNewLine,
 177              2,
 178              &dwWritten,
 179              NULL);
 180
 181   HeapFree (GetProcessHeap (),
 182             0,
 183             lpMessageString);
 184
 185   return TRUE;
 186 }
 187
 188 /* EOF */