reactos/drivers/storage/port/buslogic/Log.c

105 lines
2.2 KiB
C

#include "Log.h"
#include <stdarg.h>
#include <stdio.h>
#pragma hdrstop
BOOLEAN LogMessage(PCHAR szFormat, ...)
{
ULONG Length;
char messagebuf[256];
va_list va;
IO_STATUS_BLOCK IoStatus;
OBJECT_ATTRIBUTES objectAttributes;
NTSTATUS status;
HANDLE FileHandle;
UNICODE_STRING fileName;
//format the string
va_start(va,szFormat);
vsprintf(messagebuf,szFormat,va);
va_end(va);
//get a handle to the log file object
fileName.Buffer = NULL;
fileName.Length = 0;
fileName.MaximumLength = sizeof(DEFAULT_LOG_FILE_NAME) + sizeof(UNICODE_NULL);
fileName.Buffer = ExAllocatePool(PagedPool,
fileName.MaximumLength);
if (!fileName.Buffer)
{
return FALSE;
}
RtlZeroMemory(fileName.Buffer, fileName.MaximumLength);
status = RtlAppendUnicodeToString(&fileName, (PWSTR)DEFAULT_LOG_FILE_NAME);
//DbgPrint("\n Initializing Object attributes");
InitializeObjectAttributes (&objectAttributes,
(PUNICODE_STRING)&fileName,
OBJ_CASE_INSENSITIVE,
NULL,
NULL );
DbgPrint("\n BusLogic - Creating the file");
status = ZwCreateFile(&FileHandle,
FILE_APPEND_DATA | SYNCHRONIZE,
&objectAttributes,
&IoStatus,
0,
FILE_ATTRIBUTE_NORMAL,
FILE_SHARE_WRITE,
FILE_OPEN_IF,
FILE_SYNCHRONOUS_IO_NONALERT,
NULL,
0 );
if(NT_SUCCESS(status))
{
CHAR buf[300];
LARGE_INTEGER time;
KeQuerySystemTime(&time);
DbgPrint("\n BusLogic - Created the file");
//put a time stamp on the output message
sprintf(buf,"%10u-%10u %s",time.HighPart,time.LowPart,messagebuf);
//format the string to make sure it appends a newline carriage-return to the
//end of the string.
Length=strlen(buf);
if(buf[Length-1]=='\n')
{
buf[Length-1]='\r';
strcat(buf,"\n");
Length++;
}
else
{
strcat(buf,"\r\n");
Length+=2;
}
buf[Length+1] = '\0';
DbgPrint("\n BusLogic - Writing to the file");
DbgPrint("\n BusLogic - Buf = %s", buf);
status = ZwWriteFile(FileHandle,
NULL,
NULL,
NULL,
&IoStatus,
buf,
Length,
NULL,
NULL );
ZwClose(FileHandle);
}
if (fileName.Buffer)
ExFreePool (fileName.Buffer);
return STATUS_SUCCESS;
}