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comdlg32: Only copy the valid portion of the structure.

This commit is contained in:
Huw Davies 2012-09-21 13:22:45 +01:00 committed by Alexandre Julliard
parent 915df87aa5
commit bdbc45fddd
1 changed files with 3 additions and 2 deletions
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5
dlls/comdlg32/filedlg31.c
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@ -556,8 +556,9 @@ static LRESULT FD31_Validate( const FD31_DATA *lfs, LPCWSTR path, UINT control,
OPENFILENAMEW ofnsav;
LPOPENFILENAMEW ofnW = lfs->ofnW;
WCHAR filename[BUFFILE];
int copied_size = min( ofnW->lStructSize, sizeof(ofnsav) );
ofnsav = *ofnW; /* for later restoring */
memcpy( &ofnsav, ofnW, copied_size ); /* for later restoring */
/* get current file name */
if (path)
@ -591,7 +592,7 @@ static LRESULT FD31_Validate( const FD31_DATA *lfs, LPCWSTR path, UINT control,
0, lfs->lParam );
if (lRet)
{
*ofnW = ofnsav; /* restore old state */
memcpy( ofnW, &ofnsav, copied_size ); /* restore old state */
return FALSE;
}
}