Function GetNextLanguage

CloverEFI/OsxBdsDxe/Language.c:285–312

Get next language from language code list (with separator ';'). If LangCode is NULL, then ASSERT. If Lang is NULL, then ASSERT. @param LangCode On input: point to first language in the list. On output: point to next language in the list, or NULL if no more language in the list. @param Lang The first

**/
VOID
EFIAPI
GetNextLanguage (
  IN OUT CHAR8      **LangCode,
  OUT CHAR8         *Lang
  )
{
  UINTN  Index;
  CHAR8  *StringPtr;

  ASSERT (LangCode != NULL);
  ASSERT (*LangCode != NULL);
  ASSERT (Lang != NULL);

  Index = 0;
  StringPtr = *LangCode;
  while (StringPtr[Index] != 0 && StringPtr[Index] != ';') {
    Index++;
  }

  CopyMem(Lang, StringPtr, Index);
  Lang[Index] = 0;

  if (StringPtr[Index] == ';') {
    Index++;
  }
  *LangCode = StringPtr + Index;
}

/**
  Check if lang is in supported language codes according to language string.