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Use Arc* infrastructure to read the .inf file

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svn path=/trunk/; revision=42539
This commit is contained in:
Hervé Poussineau 2009-08-08 21:23:23 +00:00
parent c2b74e4921
commit 945b08e99d
1 changed files with 80 additions and 64 deletions
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144
reactos/boot/freeldr/freeldr/inffile/inffile.c
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@ -873,91 +873,107 @@ InfOpenFile(PHINF InfHandle,
PCSTR FileName,
PULONG ErrorLine)
{
PFILE FileHandle;
PCHAR FileBuffer;
ULONG FileSize;
PINFCACHE Cache;
BOOLEAN Success;
FILEINFORMATION Information;
ULONG FileId;
PCHAR FileBuffer;
ULONG FileSize, Count;
PINFCACHE Cache;
BOOLEAN Success;
LONG ret;
*InfHandle = NULL;
*ErrorLine = (ULONG)-1;
*InfHandle = NULL;
*ErrorLine = (ULONG)-1;
/* Open the inf file */
FileHandle = FsOpenFile (FileName);
if (FileHandle == NULL)
//
// Open the .inf file
//
FileId = FsOpenFile(FileName);
if (!FileId)
{
// DPRINT("NtOpenFile() failed (Status %lx)\n", Status);
return FALSE;
return FALSE;
}
// DPRINT("NtOpenFile() successful\n");
/* Query file size */
FileSize = FsGetFileSize (FileHandle);
if (FileSize == 0)
//
// Query file size
//
ret = ArcGetFileInformation(FileId, &Information);
if (ret != ESUCCESS || Information.EndingAddress.HighPart != 0)
{
// DPRINT("NtQueryInformationFile() failed (Status %lx)\n", Status);
FsCloseFile (FileHandle);
return FALSE;
ArcClose(FileId);
return FALSE;
}
FileSize = Information.EndingAddress.LowPart;
//
// Allocate buffer to cache the file
//
FileBuffer = MmHeapAlloc(FileSize + 1);
if (!FileBuffer)
{
ArcClose(FileId);
return FALSE;
}
// DPRINT("File size: %lu\n", FileLength);
/* Allocate file buffer */
FileBuffer = MmHeapAlloc (FileSize + 1);
if (FileBuffer == NULL)
//
// Read file into memory
//
ret = ArcRead(FileId, FileBuffer, FileSize, &Count);
if (ret != ESUCCESS || Count != FileSize)
{
// DPRINT1("RtlAllocateHeap() failed\n");
FsCloseFile (FileHandle);
return FALSE;
ArcClose(FileId);
MmHeapFree(FileBuffer);
return FALSE;
}
/* Read file */
Success = FsReadFile(FileHandle, FileSize, NULL, FileBuffer);
//
// We don't need the file anymore. Close it
//
ArcClose(FileId);
FsCloseFile (FileHandle);
if (!Success)
//
// Append string terminator
//
FileBuffer[FileSize] = 0;
//
// Allocate infcache header
//
Cache = (PINFCACHE)MmHeapAlloc(sizeof(INFCACHE));
if (!Cache)
{
// DPRINT("FsReadFile() failed\n");
MmHeapFree (FileBuffer);
return FALSE;
MmHeapFree (FileBuffer);
return FALSE;
}
/* Append string terminator */
FileBuffer[FileSize] = 0;
//
// Initialize inicache header
//
RtlZeroMemory(Cache, sizeof(INFCACHE));
/* Allocate infcache header */
Cache = (PINFCACHE)MmHeapAlloc (sizeof(INFCACHE));
if (Cache == NULL)
//
// Parse the inf buffer
//
Success = InfpParseBuffer(Cache,
FileBuffer,
FileBuffer + FileSize,
ErrorLine);
if (!Success)
{
// DPRINT("RtlAllocateHeap() failed\n");
MmHeapFree (FileBuffer);
return FALSE;
MmHeapFree(Cache);
Cache = NULL;
}
/* Initialize inicache header */
RtlZeroMemory(Cache,
sizeof(INFCACHE));
//
// Free file buffer, as it has been parsed
//
MmHeapFree(FileBuffer);
/* Parse the inf buffer */
Success = InfpParseBuffer (Cache,
FileBuffer,
FileBuffer + FileSize,
ErrorLine);
if (!Success)
{
MmHeapFree (Cache);
Cache = NULL;
}
//
// Return .inf parsed contents
//
*InfHandle = (HINF)Cache;
/* Free file buffer */
MmHeapFree (FileBuffer);
*InfHandle = (HINF)Cache;
return Success;
return Success;
}