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msi: Do not attempt to copy a non-string property in MsiSummaryInfoGetProperty. 

This patch fixes the crashes when running the tests under Wine.
Currently the crashes are hidden by a custom action exception handler.

Signed-off-by: Dmitry Timoshkov <dmitry@baikal.ru>
Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Dmitry Timoshkov 2018-09-19 13:27:57 +08:00 committed by Alexandre Julliard
parent 7929c31ea7
commit b857369f87
1 changed files with 4 additions and 2 deletions
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6
dlls/msi/suminfo.c
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@ -758,8 +758,10 @@ UINT WINAPI MsiSummaryInfoGetPropertyA(
}
__ENDTRY
if (!r)
if (!r && buf)
{
r = msi_strncpyWtoA( buf, -1, szValueBuf, pcchValueBuf, TRUE );
}
midl_user_free( buf );
return r;
@ -808,7 +810,7 @@ UINT WINAPI MsiSummaryInfoGetPropertyW(
}
__ENDTRY
if (!r)
if (!r && buf)
r = msi_strncpyW( buf, -1, szValueBuf, pcchValueBuf );
midl_user_free( buf );