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Read freeldr.ini file using ARC file infrastructure

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svn path=/trunk/; revision=42527
This commit is contained in:
Hervé Poussineau 2009-08-08 17:08:51 +00:00
parent 9f71bce6b4
commit 20c8af6fef
2 changed files with 56 additions and 30 deletions
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2
reactos/boot/freeldr/freeldr/include/inifile.h
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@ -54,8 +54,6 @@ extern BOOLEAN IniFileSectionInitialized;
extern ULONG IniFileSectionCount;
extern ULONG IniFileSettingCount;
PFILE IniOpenIniFile();
BOOLEAN IniParseFile(PCHAR IniFileData, ULONG IniFileSize);
ULONG IniGetNextLineSize(PCHAR IniFileData, ULONG IniFileSize, ULONG CurrentOffset);
ULONG IniGetNextLine(PCHAR IniFileData, ULONG IniFileSize, PCHAR Buffer, ULONG BufferSize, ULONG CurrentOffset);

84
reactos/boot/freeldr/freeldr/inifile/ini_init.c
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@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1998-2003 Brian Palmer <brianp@sginet.com>
* Copyright (C) 2009 Hervé Poussineau <hpoussin@reactos.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -19,58 +19,86 @@
#include <freeldr.h>
static LONG IniOpenIniFile(ULONG* FileId)
{
CHAR FreeldrPath[MAX_PATH];
LONG ret;
//
// Create full freeldr.ini path
//
MachDiskGetBootPath(FreeldrPath, sizeof(FreeldrPath));
strcat(FreeldrPath, "\\freeldr.ini");
// Try to open freeldr.ini
ret = ArcOpen(FreeldrPath, OpenReadOnly, FileId);
return ret;
}
BOOLEAN IniFileInitialize(VOID)
{
PFILE Freeldr_Ini; // File handle for freeldr.ini
PCHAR FreeLoaderIniFileData;
ULONG FreeLoaderIniFileSize;
BOOLEAN Success;
FILEINFORMATION FileInformation;
ULONG FileId; // File handle for freeldr.ini
PCHAR FreeLoaderIniFileData;
ULONG FreeLoaderIniFileSize, Count;
LONG ret;
BOOLEAN Success;
//
// Open freeldr.ini
Freeldr_Ini = IniOpenIniFile();
if (Freeldr_Ini == NULL)
//
ret = IniOpenIniFile(&FileId);
if (ret != ESUCCESS)
{
UiMessageBoxCritical("Error opening freeldr.ini or file not found.\nYou need to re-install FreeLoader.");
return FALSE;
}
// Get the file size & allocate enough memory for it
FreeLoaderIniFileSize = FsGetFileSize(Freeldr_Ini);
FreeLoaderIniFileData = MmHeapAlloc(FreeLoaderIniFileSize);
//
// Get the file size
//
ret = ArcGetFileInformation(FileId, &FileInformation);
if (ret != ESUCCESS || FileInformation.EndingAddress.HighPart != 0)
{
UiMessageBoxCritical("Error while getting informations about freeldr.ini.\nYou need to re-install FreeLoader.");
return FALSE;
}
FreeLoaderIniFileSize = FileInformation.EndingAddress.LowPart;
// If we are out of memory then return FALSE
if (FreeLoaderIniFileData == NULL)
//
// Allocate memory to cache the whole freeldr.ini
//
FreeLoaderIniFileData = MmHeapAlloc(FreeLoaderIniFileSize);
if (!FreeLoaderIniFileData)
{
UiMessageBoxCritical("Out of memory while loading freeldr.ini.");
FsCloseFile(Freeldr_Ini);
ArcClose(FileId);
return FALSE;
}
//
// Read freeldr.ini off the disk
if (!FsReadFile(Freeldr_Ini, FreeLoaderIniFileSize, NULL, FreeLoaderIniFileData))
//
ret = ArcRead(FileId, FreeLoaderIniFileData, FreeLoaderIniFileSize, &Count);
if (ret != ESUCCESS || Count != FreeLoaderIniFileSize)
{
FsCloseFile(Freeldr_Ini);
UiMessageBoxCritical("Error while reading freeldr.ini.");
ArcClose(FileId);
MmHeapFree(FreeLoaderIniFileData);
return FALSE;
}
FsCloseFile(Freeldr_Ini);
//
// Parse the .ini file data
//
Success = IniParseFile(FreeLoaderIniFileData, FreeLoaderIniFileSize);
//
// Do some cleanup, and return
//
ArcClose(FileId);
MmHeapFree(FreeLoaderIniFileData);
return Success;
}
PFILE IniOpenIniFile()
{
PFILE IniFileHandle; // File handle for freeldr.ini
// Try to open freeldr.ini
IniFileHandle = FsOpenFile("freeldr.ini");
return IniFileHandle;
}