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5ee633f7d7
- Clarify driver version in 3rd Party Files. - Fix some minor formatting problems. - Also add missing OBJ_KERNEL_HANDLE to match Zw*() uses. (#4499) CORE-10207 CORE-18180 Co-authored-by: Serge Gautherie <reactos-git_serge_171003@gautherie.fr>
104 lines
2.3 KiB
C
104 lines
2.3 KiB
C
#include "Log.h"
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#include <stdarg.h>
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#include <stdio.h>
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#pragma hdrstop
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BOOLEAN LogMessage(PCHAR szFormat, ...)
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{
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ULONG Length;
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char messagebuf[256];
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va_list va;
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IO_STATUS_BLOCK IoStatus;
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OBJECT_ATTRIBUTES objectAttributes;
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NTSTATUS status;
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HANDLE FileHandle;
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UNICODE_STRING fileName;
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//format the string
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va_start(va,szFormat);
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vsprintf(messagebuf,szFormat,va);
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va_end(va);
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//get a handle to the log file object
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fileName.Buffer = NULL;
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fileName.Length = 0;
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fileName.MaximumLength = sizeof(DEFAULT_LOG_FILE_NAME) + sizeof(UNICODE_NULL);
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fileName.Buffer = ExAllocatePool(PagedPool,
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fileName.MaximumLength);
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if (!fileName.Buffer)
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{
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return FALSE;
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}
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RtlZeroMemory(fileName.Buffer, fileName.MaximumLength);
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status = RtlAppendUnicodeToString(&fileName, (PWSTR)DEFAULT_LOG_FILE_NAME);
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//DbgPrint("\n Initializing Object attributes");
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InitializeObjectAttributes (&objectAttributes,
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(PUNICODE_STRING)&fileName,
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OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
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NULL,
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NULL );
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DbgPrint("\n BusLogic - Creating the file");
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status = ZwCreateFile(&FileHandle,
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FILE_APPEND_DATA | SYNCHRONIZE,
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&objectAttributes,
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&IoStatus,
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0,
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FILE_ATTRIBUTE_NORMAL,
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FILE_SHARE_WRITE,
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FILE_OPEN_IF,
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FILE_SYNCHRONOUS_IO_NONALERT,
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NULL,
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0 );
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if(NT_SUCCESS(status))
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{
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CHAR buf[300];
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LARGE_INTEGER time;
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KeQuerySystemTime(&time);
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DbgPrint("\n BusLogic - Created the file");
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//put a time stamp on the output message
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sprintf(buf,"%10u-%10u %s",time.HighPart,time.LowPart,messagebuf);
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//format the string to make sure it appends a newline carriage-return to the
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//end of the string.
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Length=strlen(buf);
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if(buf[Length-1]=='\n')
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{
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buf[Length-1]='\r';
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strcat(buf,"\n");
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Length++;
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}
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else
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{
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strcat(buf,"\r\n");
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Length+=2;
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}
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buf[Length+1] = '\0';
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DbgPrint("\n BusLogic - Writing to the file");
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DbgPrint("\n BusLogic - Buf = %s", buf);
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status = ZwWriteFile(FileHandle,
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NULL,
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NULL,
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NULL,
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&IoStatus,
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buf,
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Length,
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NULL,
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NULL );
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ZwClose(FileHandle);
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}
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if (fileName.Buffer)
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ExFreePool (fileName.Buffer);
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return STATUS_SUCCESS;
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}
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