reactos/boot/freeldr/freeldr/inifile/ini_init.c

   1 /*
   2  *  FreeLoader
   3  *  Copyright (C) 1998-2003  Brian Palmer  <brianp@sginet.com>
   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
  20 #include <freeldr.h>
  21 #include "ini.h"
  22 #include <fs.h>
  23 #include <rtl.h>
  24 #include <mm.h>
  25 #include <debug.h>
  26
  27
  28 BOOL IniFileInitialize(VOID)
  29 {
  30         PFILE   Freeldr_Ini;    // File handle for freeldr.ini
  31         PCHAR   FreeLoaderIniFileData;
  32         ULONG           FreeLoaderIniFileSize;
  33         BOOL    Success;
  34
  35         // Open freeldr.ini
  36         Freeldr_Ini = IniOpenIniFile();
  37
  38         if (Freeldr_Ini == NULL)
  39         {
  40                 printf("Error opening freeldr.ini or file not found.\n");
  41                 printf("You need to re-install FreeLoader.\n");
  42                 return FALSE;
  43         }
  44
  45         // Get the file size & allocate enough memory for it
  46         FreeLoaderIniFileSize = FsGetFileSize(Freeldr_Ini);
  47         FreeLoaderIniFileData = MmAllocateMemory(FreeLoaderIniFileSize);
  48
  49         // If we are out of memory then return FALSE
  50         if (FreeLoaderIniFileData == NULL)
  51         {
  52                 printf("Out of memory while loading freeldr.ini.\n");
  53                 FsCloseFile(Freeldr_Ini);
  54                 return FALSE;
  55         }
  56
  57         // Read freeldr.ini off the disk
  58         if (!FsReadFile(Freeldr_Ini, FreeLoaderIniFileSize, NULL, FreeLoaderIniFileData))
  59         {
  60                 FsCloseFile(Freeldr_Ini);
  61                 MmFreeMemory(FreeLoaderIniFileData);
  62                 return FALSE;
  63         }
  64
  65         FsCloseFile(Freeldr_Ini);
  66
  67         // Parse the .ini file data
  68         Success = IniParseFile(FreeLoaderIniFileData, FreeLoaderIniFileSize);
  69
  70         MmFreeMemory(FreeLoaderIniFileData);
  71
  72         return Success;
  73 }
  74
  75 PFILE IniOpenIniFile()
  76 {
  77         PFILE   IniFileHandle;  // File handle for freeldr.ini
  78
  79         // Try to open freeldr.ini
  80         IniFileHandle = FsOpenFile("freeldr.ini");
  81
  82         return IniFileHandle;
  83 }