Make HiiDatabase module not depend on HiiLib; otherwise it will inherit HII_DATABASE_...

[mirror_edk2.git] / MdeModulePkg / Universal / HiiDatabaseDxe / R8Lib.c

diff --git a/MdeModulePkg/Universal/HiiDatabaseDxe/R8Lib.c b/MdeModulePkg/Universal/HiiDatabaseDxe/R8Lib.c
index 7c3e9b8b35162a6148f439f51a6f0721c0c73da9..789627f22241fc1495c99d8418641974b14b2a1b 100644 (file)
--- a/MdeModulePkg/Universal/HiiDatabaseDxe/R8Lib.c
+++ b/MdeModulePkg/Universal/HiiDatabaseDxe/R8Lib.c
@@ -57,4 +57,49 @@ R8_EfiLibCompareLanguage (
 }\r
 \r
 \r
+/**\r
+  Determine what is the current language setting. The space reserved for Lang\r
+  must be at least RFC_3066_ENTRY_SIZE bytes;\r
+\r
+  If Lang is NULL, then ASSERT.\r
+\r
+  @param  Lang                   Pointer of system language. Lang will always be filled with \r
+                                 a valid RFC 3066 language string. If "PlatformLang" is not\r
+                                 set in the system, the default language specifed by PcdUefiVariableDefaultPlatformLang\r
+                                 is returned.\r
+\r
+  @return  EFI_SUCCESS     If the EFI Variable with "PlatformLang" is set and return in Lang.\r
+  @return  EFI_NOT_FOUND If the EFI Variable with "PlatformLang" is not set, but a valid default language is return in Lang.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+GetCurrentLanguage (\r
+  OUT     CHAR8               *Lang\r
+  )\r
+{\r
+  EFI_STATUS  Status;\r
+  UINTN       Size;\r
+\r
+  ASSERT (Lang != NULL);\r
+\r
+  //\r
+  // Get current language setting\r
+  //\r
+  Size = RFC_3066_ENTRY_SIZE;\r
+  Status = gRT->GetVariable (\r
+                  L"PlatformLang",\r
+                  &gEfiGlobalVariableGuid,\r
+                  NULL,\r
+                  &Size,\r
+                  Lang\r
+                  );\r
+\r
+  if (EFI_ERROR (Status)) {\r
+    AsciiStrCpy (Lang, (CHAR8 *) PcdGetPtr (PcdUefiVariableDefaultPlatformLang));\r
+  }\r
+\r
+  return Status;\r
+}\r
+\r
 \r