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win32u: Calculate buffer sizes from registry structs correctly. 

Signed-off-by: Torge Matthies <tmatthies@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Torge Matthies 2022-05-01 02:03:20 +02:00 committed by Alexandre Julliard
parent 4e19373c2f
commit 32d557142c
1 changed files with 3 additions and 2 deletions
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5
dlls/win32u/sysparams.c
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@ -1258,7 +1258,8 @@ static BOOL update_display_cache_from_registry(void)
sizeof(devicemap_video_keyW) )))
return FALSE;
status = NtQueryKey( video_key, KeyFullInformation, &key, sizeof(key), &size );
status = NtQueryKey( video_key, KeyFullInformation, &key,
offsetof(KEY_FULL_INFORMATION, Class), &size );
if (status && status != STATUS_BUFFER_OVERFLOW)
return FALSE;
@ -3210,7 +3211,7 @@ void sysparams_init(void)
if ((hkey = reg_open_key( config_key, software_fontsW, sizeof(software_fontsW) )))
{
char buffer[sizeof(KEY_VALUE_PARTIAL_INFORMATION) + sizeof(DWORD)];
char buffer[offsetof(KEY_VALUE_PARTIAL_INFORMATION, Data[sizeof(DWORD)])];
KEY_VALUE_PARTIAL_INFORMATION *value = (void *)buffer;
if (query_reg_value( hkey, log_pixelsW, value, sizeof(buffer) ) && value->Type == REG_DWORD)