From: Rémi Bernon rbernon@codeweavers.com
--- dlls/win32u/sysparams.c | 43 ++++++++++++++++------------------------- 1 file changed, 17 insertions(+), 26 deletions(-)
diff --git a/dlls/win32u/sysparams.c b/dlls/win32u/sysparams.c index d264120909f..b42be787810 100644 --- a/dlls/win32u/sysparams.c +++ b/dlls/win32u/sysparams.c @@ -1128,7 +1128,7 @@ struct device_manager_ctx unsigned int mode_count; HANDLE mutex; char gpuid[128]; - WCHAR gpu_guid[64]; + char gpu_guid[39]; LUID gpu_luid; HKEY adapter_key; /* for the virtual desktop settings */ @@ -1178,7 +1178,7 @@ static void add_gpu( const struct gdi_gpu *gpu, void *param ) char buffer[4096]; WCHAR bufferW[512]; KEY_VALUE_PARTIAL_INFORMATION *value = (void *)buffer; - unsigned int gpu_index, size; + unsigned int gpu_index, size, i; HKEY hkey, subkey; LARGE_INTEGER ft; ULONG memory_size; @@ -1286,21 +1286,21 @@ static void add_gpu( const struct gdi_gpu *gpu, void *param )
if ((subkey = reg_create_key( hkey, device_parametersW, sizeof(device_parametersW), 0, NULL ))) { - if (!query_reg_value( subkey, video_idW, value, sizeof(buffer) )) + if (query_reg_value( subkey, video_idW, value, sizeof(buffer) ) != sizeof(ctx->gpu_guid) * sizeof(WCHAR)) { GUID guid; uuid_create( &guid ); - sprintf( buffer, "{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}", + sprintf( ctx->gpu_guid, "{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}", (unsigned int)guid.Data1, guid.Data2, guid.Data3, guid.Data4[0], guid.Data4[1], guid.Data4[2], guid.Data4[3], guid.Data4[4], guid.Data4[5], guid.Data4[6], guid.Data4[7] ); - size = asciiz_to_unicode( ctx->gpu_guid, buffer ); - TRACE( "created guid %s\n", debugstr_w(ctx->gpu_guid) ); - set_reg_value( subkey, video_idW, REG_SZ, ctx->gpu_guid, size ); + TRACE( "created guid %s\n", debugstr_a(ctx->gpu_guid) ); + set_reg_value( subkey, video_idW, REG_SZ, bufferW, asciiz_to_unicode( bufferW, ctx->gpu_guid ) ); } else { - memcpy( ctx->gpu_guid, value->Data, value->DataLength ); - TRACE( "got guid %s\n", debugstr_w(ctx->gpu_guid) ); + WCHAR *guidW = (WCHAR *)value->Data; + for (i = 0; i < sizeof(ctx->gpu_guid); i++) ctx->gpu_guid[i] = guidW[i]; + TRACE( "got guid %s\n", debugstr_a(ctx->gpu_guid) ); } NtClose( subkey ); } @@ -1415,16 +1415,12 @@ static void add_adapter( const struct gdi_adapter *adapter, void *param ) ctx->monitor_count = 0; ctx->mode_count = 0;
- len = asciiz_to_unicode( bufferW, "\Registry\Machine\System\CurrentControlSet\" - "Control\Video\" ) / sizeof(WCHAR) - 1; - lstrcpyW( bufferW + len, ctx->gpu_guid ); - len += lstrlenW( bufferW + len ); - sprintf( buffer, "\%04x", adapter_index ); - len += asciiz_to_unicode( bufferW + len, buffer ) / sizeof(WCHAR) - 1; - hkey = reg_create_key( NULL, bufferW, len * sizeof(WCHAR), - REG_OPTION_VOLATILE | REG_OPTION_CREATE_LINK, NULL ); - if (!hkey) hkey = reg_create_key( NULL, bufferW, len * sizeof(WCHAR), - REG_OPTION_VOLATILE | REG_OPTION_OPEN_LINK, NULL ); + snprintf( buffer, ARRAY_SIZE(buffer), "\Registry\Machine\System\CurrentControlSet\Control\Video\%s\%04x", + ctx->gpu_guid, adapter_index ); + len = asciiz_to_unicode( bufferW, buffer ) - sizeof(WCHAR); + + hkey = reg_create_key( NULL, bufferW, len, REG_OPTION_VOLATILE | REG_OPTION_CREATE_LINK, NULL ); + if (!hkey) hkey = reg_create_key( NULL, bufferW, len, REG_OPTION_VOLATILE | REG_OPTION_OPEN_LINK, NULL );
sprintf( name, "\Device\Video%u", video_index ); asciiz_to_unicode( nameW, name ); @@ -1441,13 +1437,8 @@ static void add_adapter( const struct gdi_adapter *adapter, void *param ) else ERR( "failed to create link key\n" );
/* Following information is Wine specific, it doesn't really exist on Windows. */ - len = asciiz_to_unicode( bufferW, "System\CurrentControlSet\Control\Video\" ) - / sizeof(WCHAR) - 1; - lstrcpyW( bufferW + len, ctx->gpu_guid ); - len += lstrlenW( bufferW + len ); - sprintf( buffer, "\%04x", adapter_index ); - len += asciiz_to_unicode( bufferW + len, buffer ) / sizeof(WCHAR) - 1; - ctx->adapter_key = reg_create_key( config_key, bufferW, len * sizeof(WCHAR), + snprintf( buffer, ARRAY_SIZE(buffer), "System\CurrentControlSet\Control\Video\%s\%04x", ctx->gpu_guid, adapter_index ); + ctx->adapter_key = reg_create_key( config_key, bufferW, asciiz_to_unicode( bufferW, buffer ) - sizeof(WCHAR), REG_OPTION_VOLATILE, NULL );
set_reg_value( ctx->adapter_key, gpu_idW, REG_SZ, bufferW, asciiz_to_unicode( bufferW, ctx->gpuid ) );