-
Notifications
You must be signed in to change notification settings - Fork 174
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Revert "Remove memcmp from MessagePackString. Fix #206."
- Loading branch information
Showing
11 changed files
with
419 additions
and
18 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| #region -- License Terms -- | ||
| // | ||
| // MessagePack for CLI | ||
| // | ||
| // Copyright (C) 2010-2016 FUJIWARA, Yusuke | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
| #endregion -- License Terms -- | ||
|
|
||
| using System; | ||
| using System.Runtime.InteropServices; | ||
| using System.Security; | ||
| using System.Threading; | ||
|
|
||
| namespace MsgPack | ||
| { | ||
|
|
||
| #if !SILVERLIGHT && !NETSTANDARD1_1 && !NETSTANDARD1_3 | ||
| [SuppressUnmanagedCodeSecurity] | ||
| #endif // !SILVERLIGHT && !NETSTANDARD1_1 && !NETSTANDARD1_3 | ||
| #if !NETFX_35 | ||
| [SecurityCritical] | ||
| #endif // !NETFX_35 | ||
| internal static class UnsafeNativeMethods | ||
| { | ||
| private static int _libCAvailability = 0; | ||
| private const int _libCAvailability_Unknown = 0; | ||
| private const int _libCAvailability_MSVCRT = 1; | ||
| private const int _libCAvailability_LibC = 2; | ||
| private const int _libCAvailability_None = -1; | ||
|
|
||
| #if NETFX_35 | ||
| [System.Diagnostics.CodeAnalysis.SuppressMessage( "Microsoft.Security", "CA5122:PInvokesShouldNotBeSafeCriticalFxCopRule", Justification = "OK, this is SecurityCritical" )] | ||
| #endif // NETFX_35 | ||
| [DllImport( "msvcrt", CallingConvention = CallingConvention.Cdecl, EntryPoint = "memcmp", ExactSpelling = true, SetLastError = false )] | ||
| private static extern int memcmpVC( byte[] s1, byte[] s2, /*SIZE_T*/UIntPtr size ); | ||
|
|
||
| #if !NETFX_CORE | ||
| // libc is for non Windows environment. | ||
| // Note that libc caused compilation error on .NET Native, so the DllImport itself should not be included in the first time. | ||
| #if NETFX_35 | ||
| [System.Diagnostics.CodeAnalysis.SuppressMessage( "Microsoft.Security", "CA5122:PInvokesShouldNotBeSafeCriticalFxCopRule", Justification = "OK, this is SecurityCritical" )] | ||
| #endif // NETFX_35 | ||
| [DllImport( "libc", CallingConvention = CallingConvention.Cdecl, EntryPoint = "memcmp", ExactSpelling = true, SetLastError = false )] | ||
| private static extern int memcmpLibC( byte[] s1, byte[] s2, /*SIZE_T*/UIntPtr size ); | ||
| #endif // !NETFX_CORE | ||
|
|
||
| public static bool TryMemCmp( byte[] s1, byte[] s2, /*SIZE_T*/UIntPtr size, out int result ) | ||
| { | ||
| if ( _libCAvailability < 0 ) | ||
| { | ||
| result = 0; | ||
| return false; | ||
| } | ||
|
|
||
| if ( _libCAvailability <= _libCAvailability_MSVCRT ) | ||
| { | ||
| try | ||
| { | ||
| result = memcmpVC( s1, s2, size ); | ||
| return true; | ||
| } | ||
| catch ( DllNotFoundException ) | ||
| { | ||
| #if !NETFX_CORE | ||
| Interlocked.Exchange( ref _libCAvailability, _libCAvailability_LibC ); | ||
| #else | ||
| Interlocked.Exchange( ref _libCAvailability, _libCAvailability_None ); | ||
| #endif // !NETFX_CORE | ||
| } | ||
| } | ||
|
|
||
| #if !NETFX_CORE | ||
| if ( _libCAvailability <= _libCAvailability_LibC ) | ||
| { | ||
| try | ||
| { | ||
| result = memcmpLibC( s1, s2, size ); | ||
| return true; | ||
| } | ||
| catch ( DllNotFoundException ) | ||
| { | ||
| Interlocked.Exchange( ref _libCAvailability, _libCAvailability_None ); | ||
| } | ||
| } | ||
| #endif // !NETFX_CORE | ||
|
|
||
| result = 0; | ||
| return false; | ||
| } | ||
| } | ||
| } |
Oops, something went wrong.