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memfs: fix Unicode case-insensitive comparison

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This commit is contained in:
Bill Zissimopoulos 2017-09-29 16:27:28 -07:00
parent 9a4f04f46a
commit f8a05eae95
1 changed files with 8 additions and 2 deletions
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10
tst/memfs/memfs.cpp
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@ -212,9 +212,15 @@ int MemfsFileNameCompare(PWSTR a0, int alen, PWSTR b0, int blen, BOOLEAN CaseIns
len = alen < blen ? alen : blen; len = alen < blen ? alen : blen;
/* we should still be in the C locale */
if (CaseInsensitive) if (CaseInsensitive)
res = _wcsnicmp(a, b, len); {
/* better Unicode comparison when case-insensitive */
res = CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, a, alen, b, blen);
if (0 != res)
res -= 2;
else
res = _wcsnicmp(a, b, len);
}
else else
res = wcsncmp(a, b, len); res = wcsncmp(a, b, len);