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msi: The szLogFile parameter of MsiEnableLogW is optional, so handle the case of it being NULL.

This commit is contained in:
Robert Shearman 2006-07-24 11:45:50 +01:00 committed by Alexandre Julliard
parent 5700fe8a61
commit c0596e0ae9
1 changed files with 13 additions and 8 deletions
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21
dlls/msi/msi.c
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@ -632,15 +632,20 @@ UINT WINAPI MsiEnableLogW(DWORD dwLogMode, LPCWSTR szLogFile, DWORD attributes)
TRACE("%08lx %s %08lx\n", dwLogMode, debugstr_w(szLogFile), attributes);
lstrcpyW(gszLogFile,szLogFile);
if (!(attributes & INSTALLLOGATTRIBUTES_APPEND))
DeleteFileW(szLogFile);
file = CreateFileW(szLogFile, GENERIC_WRITE, 0, NULL, OPEN_ALWAYS,
FILE_ATTRIBUTE_NORMAL, NULL);
if (file != INVALID_HANDLE_VALUE)
CloseHandle(file);
if (szLogFile)
{
lstrcpyW(gszLogFile,szLogFile);
if (!(attributes & INSTALLLOGATTRIBUTES_APPEND))
DeleteFileW(szLogFile);
file = CreateFileW(szLogFile, GENERIC_WRITE, 0, NULL, OPEN_ALWAYS,
FILE_ATTRIBUTE_NORMAL, NULL);
if (file != INVALID_HANDLE_VALUE)
CloseHandle(file);
else
ERR("Unable to enable log %s\n",debugstr_w(szLogFile));
}
else
ERR("Unable to enable log %s\n",debugstr_w(szLogFile));
gszLogFile[0] = '\0';
return ERROR_SUCCESS;
}