On 10/30/2012 01:43, Christian Costa wrote:
> Try 2:
> - Don't use CompareStringEx.
> - Add tests
> ---
> dlls/kernel32/kernel32.spec | 1 +
> dlls/kernel32/locale.c | 28 ++++++++++++++++++++
> dlls/kernel32/tests/locale.c | 60 +++++++++++++++++++++++++++++++++++++++++-
> 3 files changed, 88 insertions(+), 1 deletion(-)
>
> diff --git a/dlls/kernel32/kernel32.spec b/dlls/kernel32/kernel32.spec
> index b7efa0f..0bd1adc 100644
> --- a/dlls/kernel32/kernel32.spec
> +++ b/dlls/kernel32/kernel32.spec
> @@ -201,6 +201,7 @@
> @ stdcall CompareStringA(long long str long str long)
> @ stdcall CompareStringW(long long wstr long wstr long)
> @ stdcall CompareStringEx(wstr long wstr long wstr long ptr ptr long)
> +@ stdcall CompareStringOrdinal(wstr long wstr long long)
> @ stdcall ConnectNamedPipe(long ptr)
> @ stub ConsoleMenuControl
> @ stub ConsoleSubst
> diff --git a/dlls/kernel32/locale.c b/dlls/kernel32/locale.c
> index c41442c..07eb688 100644
> --- a/dlls/kernel32/locale.c
> +++ b/dlls/kernel32/locale.c
> @@ -3047,6 +3047,34 @@ INT WINAPI CompareStringA(LCID lcid, DWORD flags,
> return ret;
> }
>
> +/******************************************************************************
> + * CompareStringOrdinal (KERNEL32.@)
> + */
> +INT WINAPI CompareStringOrdinal(const WCHAR *str1, INT len1, const WCHAR *str2, INT len2, BOOL ignore_case)
> +{
> + int ret, len;
> +
> + if (!str1 || !str2)
> + {
> + SetLastError(ERROR_INVALID_PARAMETER);
> + return 0;
> + }
> + if (len1 < 0) len1 = strlenW(str1);
> + if (len2 < 0) len2 = strlenW(str2);
> +
> + len = min(len1, len2);
> + if (ignore_case)
> + ret = strncmpiW(str1, str2, len);
> + else
> + ret = strncmpW(str1, str2, len);
> +
> + if ((ret < 0) || (!ret && (len1 < len2)))
> + return CSTR_LESS_THAN;
> + else if ((ret > 0) || (!ret && (len1 > len2)))
> + return CSTR_GREATER_THAN;
> + return CSTR_EQUAL;
> +}
> +
This is almost the same as your first try. You're testing a trivial case
only - ASCII range.
I feel like it should behave more like memcmp for case insensitive
comparison,
that's what documentation mildly suggests.