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Use exactly match method for HiiCompareLanguage. 

Compare all of Language2 against the characters in Language1 up to the first ‘;’ or Null terminator.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11409 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
ydong10 2011-03-17 07:31:35 +00:00
parent a70dbff785
commit 4a12dfd454
1 changed files with 18 additions and 4 deletions
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22
MdeModulePkg/Universal/HiiDatabaseDxe/String.c
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@ -1967,11 +1967,25 @@ HiiCompareLanguage (
IN CHAR8 *Language2
)
{
UINTN Language2Len;
UINTN Index;
//
// When languages are exactly same, they will be identical.
// Compare the Primary Language in Language1 to Language2
//
Language2Len = AsciiStrLen (Language2);
return (BOOLEAN) (AsciiStrnCmp (Language1, Language2, Language2Len) == 0);
for (Index = 0; Language1[Index] != 0 && Language1[Index] != ';'; Index++) {
if (Language1[Index] != Language2[Index]) {
//
// Return FALSE if any characters are different.
//
return FALSE;
}
}
//
// Only return TRUE if Language2[Index] is a Null-terminator which means
// the Primary Language in Language1 is the same length as Language2. If
// Language2[Index] is not a Null-terminator, then Language2 is longer than
// the Primary Language in Language1, and FALSE must be returned.
//
return (Language2[Index] == 0);
}