logfile.c File Reference

#include "precomp.h"
#include <stdarg.h>

Include dependency graph for logfile.c:

Go to the source code of this file.

Macros
#define	FORMAT_BUFFER_SIZE   512
#define	LINE_BUFFER_SIZE   1024

Functions
BOOL WINAPI	InitializeSetupActionLog (BOOL bDeleteOldLogFile)
VOID WINAPI	TerminateSetupActionLog (VOID)
VOID CDECL	pSetupDebugPrint (IN PCWSTR pszFileName, IN INT nLineNumber, IN PCWSTR pszTag, IN PCWSTR pszMessage,...)

Variables
HANDLE	hLogFile = NULL

Macro Definition Documentation

FORMAT_BUFFER_SIZE

#define FORMAT_BUFFER_SIZE   512

Definition at line 36 of file logfile.c.

LINE_BUFFER_SIZE

#define LINE_BUFFER_SIZE   1024

Definition at line 37 of file logfile.c.

Function Documentation

InitializeSetupActionLog()

BOOL WINAPI InitializeSetupActionLog

(

BOOL

bDeleteOldLogFile

)

Definition at line 42 of file logfile.c.

{
    WCHAR szFileName[MAX_PATH];
 
    GetWindowsDirectoryW(szFileName, MAX_PATH);
 
    if (szFileName[wcslen(szFileName)] != L'\\')
    {
        wcsncat(szFileName,
                L"\\",
                (sizeof(szFileName) / sizeof(szFileName[0])) - wcslen(szFileName));
    }
    wcsncat(szFileName,
            L"setuplog.txt",
            (sizeof(szFileName) / sizeof(szFileName[0])) - wcslen(szFileName));
 
    if (bDeleteOldLogFile)
    {
        SetFileAttributesW(szFileName, FILE_ATTRIBUTE_NORMAL);
        DeleteFileW(szFileName);
    }
 
    hLogFile = CreateFileW(szFileName,
                           GENERIC_READ | GENERIC_WRITE,
                           FILE_SHARE_READ | FILE_SHARE_WRITE,
                           NULL,
                           OPEN_ALWAYS,
                           FILE_ATTRIBUTE_NORMAL,
                           NULL);
    if (hLogFile == INVALID_HANDLE_VALUE)
    {
        hLogFile = NULL;
        return FALSE;
    }
 
    return TRUE;
}

Referenced by InstallReactOS().

pSetupDebugPrint()

VOID CDECL pSetupDebugPrint	(	IN PCWSTR	pszFileName,
		IN INT	nLineNumber,
		IN PCWSTR	pszTag,
		IN PCWSTR	pszMessage,
			...
	)

Definition at line 94 of file logfile.c.

{
    PWSTR pszFormatBuffer = NULL;
    PWSTR pszLineBuffer = NULL;
    PSTR pszOutputBuffer = NULL;
    ULONG ulLineSize, ulOutputSize;
    DWORD dwWritten;
    SYSTEMTIME stTime;
    va_list args;
 
    if (hLogFile == NULL)
        return;
 
    GetLocalTime(&stTime);
 
    if (pszMessage)
    {
        pszFormatBuffer = HeapAlloc(GetProcessHeap(),
                                    HEAP_ZERO_MEMORY,
                                    FORMAT_BUFFER_SIZE * sizeof(WCHAR));
        if (pszFormatBuffer == NULL)
            goto done;
 
        va_start(args, pszMessage);
        vsnwprintf(pszFormatBuffer,
                   FORMAT_BUFFER_SIZE,
                   pszMessage,
                   args);
        va_end(args);
    }
 
    pszLineBuffer = HeapAlloc(GetProcessHeap(),
                              HEAP_ZERO_MEMORY,
                              LINE_BUFFER_SIZE * sizeof(WCHAR));
    if (pszLineBuffer == NULL)
        goto done;
 
    _snwprintf(pszLineBuffer,
               LINE_BUFFER_SIZE,
               L"%02d/%02d/%04d %02d:%02d:%02d.%03d, %s, %d, %s, %s\r\n",
               stTime.wMonth,
               stTime.wDay,
               stTime.wYear,
               stTime.wHour,
               stTime.wMinute,
               stTime.wSecond,
               stTime.wMilliseconds,
               pszFileName ? pszFileName : L"",
               nLineNumber,
               pszTag ? pszTag : L"",
               pszFormatBuffer ? pszFormatBuffer : L"");
 
    /* Get length of the converted ansi string */
    ulLineSize = wcslen(pszLineBuffer) * sizeof(WCHAR);
    RtlUnicodeToMultiByteSize(&ulOutputSize,
                              pszLineBuffer,
                              ulLineSize);
 
    /* Allocate message string buffer */
    pszOutputBuffer = HeapAlloc(GetProcessHeap(),
                                HEAP_ZERO_MEMORY,
                                ulOutputSize);
    if (pszOutputBuffer == NULL)
        goto done;
 
    /* Convert unicode to ansi */
    RtlUnicodeToMultiByteN(pszOutputBuffer,
                           ulOutputSize,
                           NULL,
                           pszLineBuffer,
                           ulLineSize);
 
    /* Set file pointer to the end of the file */
    SetFilePointer(hLogFile,
                   0,
                   NULL,
                   FILE_END);
 
    WriteFile(hLogFile,
              pszOutputBuffer,
              ulOutputSize,
              &dwWritten,
              NULL);
 
done:
    if (pszOutputBuffer)
        HeapFree(GetProcessHeap(), 0, pszOutputBuffer);
 
    if (pszLineBuffer)
        HeapFree(GetProcessHeap(), 0, pszLineBuffer);
 
    if (pszFormatBuffer)
        HeapFree(GetProcessHeap(), 0, pszFormatBuffer);
}

TerminateSetupActionLog()

VOID WINAPI TerminateSetupActionLog

(

VOID

)

Definition at line 82 of file logfile.c.

{
    if (hLogFile != NULL)
    {
        CloseHandle (hLogFile);
        hLogFile = NULL;
    }
}

Referenced by InstallReactOS().

Variable Documentation

hLogFile

HANDLE hLogFile = NULL

Definition at line 34 of file logfile.c.

Referenced by InitializeSetupActionLog(), pSetupDebugPrint(), and TerminateSetupActionLog().