| 1 | // Licensed to the .NET Foundation under one or more agreements. |
|---|---|
| 2 | // The .NET Foundation licenses this file to you under the MIT license. |
| 3 | // See the LICENSE file in the project root for more information. |
| 4 | // |
| 5 | |
| 6 | #include "common.h" |
| 7 | |
| 8 | // This is a simplified implementation of IsTextUnicode. |
| 9 | // https://github.com/dotnet/coreclr/issues/2307 |
| 10 | BOOL IsTextUnicode(CONST VOID* lpv, int iSize, LPINT lpiResult) |
| 11 | { |
| 12 | *lpiResult = 0; |
| 13 | |
| 14 | if (iSize < 2) return FALSE; |
| 15 | |
| 16 | BYTE * p = (BYTE *)lpv; |
| 17 | |
| 18 | // Check for Unicode BOM |
| 19 | if ((*p == 0xFF) && (*(p+1) == 0xFE)) |
| 20 | { |
| 21 | *lpiResult |= IS_TEXT_UNICODE_SIGNATURE; |
| 22 | return TRUE; |
| 23 | } |
| 24 | |
| 25 | return FALSE; |
| 26 | } |
| 27 | |
| 28 |