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If MsiGetProperty(A/W) is called with a NULL for the value buffer but 

a value in the size for the value buffer, then Msi fills in the size
of the value into the pointer for size.  This is tested and confirmed
with native MSI.
This commit is contained in:
Aric Stewart 2005-07-11 14:22:13 +00:00 committed by Alexandre Julliard
parent f58eed36ff
commit 639048b99a
1 changed files with 8 additions and 0 deletions
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8
dlls/msi/package.c
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@ -893,6 +893,10 @@ UINT WINAPI MsiGetPropertyA(MSIHANDLE hInstall, LPCSTR szName, LPSTR szValueBuf,
if (NULL != szValueBuf && NULL == pchValueBuf)
return ERROR_INVALID_PARAMETER;
/* This was tested against native msi */
if (NULL == szValueBuf && NULL != pchValueBuf)
*pchValueBuf = 0;
package = msihandle2msiinfo( hInstall, MSIHANDLETYPE_PACKAGE);
if (!package)
return ERROR_INVALID_HANDLE;
@ -920,6 +924,10 @@ UINT WINAPI MsiGetPropertyW(MSIHANDLE hInstall, LPCWSTR szName,
if (NULL != szValueBuf && NULL == pchValueBuf)
return ERROR_INVALID_PARAMETER;
/* This was tested against native msi */
if (NULL == szValueBuf && NULL != pchValueBuf)
*pchValueBuf = 0;
package = msihandle2msiinfo( hInstall, MSIHANDLETYPE_PACKAGE);
if (!package)
return ERROR_INVALID_HANDLE;