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Add missing error messages DD194612
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‎docs/error-messages/compiler-warnings/TOC.md‎

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## [Compiler Warning (level 1) C4440](compiler-warning-level-1-c4440.md)
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## [Compiler Warning (level 1) C4441](compiler-warning-level-1-c4441.md)
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## [Compiler Warning (level 1) C4445](compiler-warning-level-1-c4445.md)
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## [Compiler warning (level 4) C4456](compiler-warning-level-4-c4456.md)
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## [Compiler warning (level 4) C4457](compiler-warning-level-4-c4457.md)
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## [Compiler warning (level 4) C4458](compiler-warning-level-4-c4458.md)
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## [Compiler Warning (level 4) C4459](compiler-warning-level-4-c4459.md)
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## [Compiler Warning (level 4) C4460](compiler-warning-level-4-c4460.md)
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## [Compiler Warning (level 1) C4461](compiler-warning-level-1-c4461.md)
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## [Compiler Warning (level 1) C4462](compiler-warning-level-1-c4462.md)

‎docs/error-messages/compiler-warnings/compiler-warning-level-4-c4295.md‎

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- "zh-tw"
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---
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# Compiler Warning (level 4) C4295
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**'**
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***array* ' : array is too small to include a terminating null character**
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> '*array*' : array is too small to include a terminating null character
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An array was initialized but the last character in the array is not a null; accessing the array may produce unexpected results.
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The following sample generates C4295:
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## Example
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The following sample generates C4295. To fix this issue, you could declare the array size larger, to hold a terminating null from the initializer.
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```
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```C
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// C4295.c
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// compile with: /W4
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‎docs/error-messages/compiler-warnings/compiler-warning-level-4-c4456.md‎

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---
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title: "Compiler Warning (level 4) C4456 | Microsoft Docs"
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ms.custom: ""
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ms.date: "11/04/2016"
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ms.reviewer: ""
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ms.suite: ""
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ms.technology:
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- "devlang-cpp"
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ms.tgt_pltfrm: ""
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ms.topic: "error-reference"
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f1_keywords:
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- "C4456"
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dev_langs:
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- "C++"
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helpviewer_keywords:
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- "C4456"
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ms.assetid: 5ab39fc1-0e19-461b-842b-4da80560b044
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caps.latest.revision: 0
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author: "corob-msft"
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ms.author: "corob"
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manager: "ghogen"
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translation.priority.ht:
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- "cs-cz"
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- "de-de"
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- "es-es"
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- "fr-fr"
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- "it-it"
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- "ja-jp"
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- "ko-kr"
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- "pl-pl"
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- "pt-br"
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- "ru-ru"
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- "tr-tr"
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- "zh-cn"
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- "zh-tw"
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---
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# Compiler Warning (level 4) C4456
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> declaration of '*identifier*' hides previous local declaration
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The declaration of *identifier* in the local scope hides the declaration of the previous local declaration of the same name. This warning lets you know that references to *identifier* in the local scope resolve to the locally declared version, not the previous local, which may or may not be your intent. To fix this issue, we recommend you give local variables names that do not conflict with other local names.
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## Example
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The following sample generates C4456 because the loop control variable `int x` and the local variable `double x` in `member_fn` have the same names. To fix this issue, use different names for the local variables.
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```cpp
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// C4456_hide.cpp
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// compile with: cl /W4 /c C4456_hide.cpp
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struct S {
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void member_fn(unsigned u) {
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double x = 0;
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for (int x = 0; x < 10; ++x) { // C4456
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u += x; // uses local int x
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}
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x += u; // uses local double x
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}
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} s;
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```

‎docs/error-messages/compiler-warnings/compiler-warning-level-4-c4457.md‎

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---
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title: "Compiler Warning (level 4) C4457 | Microsoft Docs"
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ms.custom: ""
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ms.date: "11/04/2016"
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ms.reviewer: ""
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ms.suite: ""
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ms.technology:
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- "devlang-cpp"
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ms.tgt_pltfrm: ""
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ms.topic: "error-reference"
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f1_keywords:
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- "C4457"
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dev_langs:
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- "C++"
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helpviewer_keywords:
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- "C4457"
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ms.assetid: 02fd149a-917d-4f67-97a6-eb714572271f
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caps.latest.revision: 0
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author: "corob-msft"
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ms.author: "corob"
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manager: "ghogen"
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translation.priority.ht:
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- "cs-cz"
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- "de-de"
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- "es-es"
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- "fr-fr"
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- "it-it"
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- "ja-jp"
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- "ko-kr"
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- "pl-pl"
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- "pt-br"
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- "ru-ru"
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- "tr-tr"
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- "zh-cn"
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- "zh-tw"
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---
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# Compiler Warning (level 4) C4457
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> declaration of '*identifier*' hides function parameter
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The declaration of *identifier* in the local scope hides the declaration of the identically-named function parameter. This warning lets you know that references to *identifier* in the local scope resolve to the locally declared version, not the parameter, which may or may not be your intent. To fix this issue, we recommend you give local variables names that do not conflict with parameter names.
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## Example
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The following sample generates C4457 because the parameter `x` and the local variable `x` in `member_fn` have the same names. To fix this issue, use different names for the parameters and local variables.
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```cpp
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// C4457_hide.cpp
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// compile with: cl /W4 /c C4457_hide.cpp
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struct S {
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void member_fn(unsigned x) {
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double a = 0;
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for (int x = 0; x < 10; ++x) { // C4457
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a += x; // uses local x
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}
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a += x; // uses parameter x
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}
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} s;
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```

‎docs/error-messages/compiler-warnings/compiler-warning-level-4-c4458.md‎

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---
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title: "Compiler Warning (level 4) C4458 | Microsoft Docs"
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ms.custom: ""
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ms.date: "11/04/2016"
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ms.reviewer: ""
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ms.suite: ""
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ms.technology:
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- "devlang-cpp"
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ms.tgt_pltfrm: ""
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ms.topic: "error-reference"
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f1_keywords:
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- "C4458"
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dev_langs:
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- "C++"
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helpviewer_keywords:
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- "C4458"
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ms.assetid: 7bdaa1b1-0caf-4d68-98c4-6bdd441c23fb
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caps.latest.revision: 0
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author: "corob-msft"
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ms.author: "corob"
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manager: "ghogen"
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translation.priority.ht:
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- "cs-cz"
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- "de-de"
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- "es-es"
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- "fr-fr"
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- "it-it"
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- "ja-jp"
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- "ko-kr"
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- "pl-pl"
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- "pt-br"
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- "ru-ru"
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- "tr-tr"
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- "zh-cn"
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- "zh-tw"
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---
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# Compiler Warning (level 4) C4458
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> declaration of '*identifier*' hides class member
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The declaration of *identifier* in the local scope hides the declaration of the identically-named *identifier* at class scope. This warning lets you know that references to *identifier* in this scope resolve to the locally declared version, not the class member version, which may or may not be your intent. To fix this issue, we recommend you give local variables names that do not conflict with class member names.
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## Example
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The following sample generates C4458 because the parameter `x` and the local variable `y` in `member_fn` have the same names as data members in the class. To fix this issue, use different names for the parameters and local variables.
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```cpp
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// C4458_hide.cpp
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// compile with: cl /W4 /c C4458_hide.cpp
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struct S {
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int x;
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float y;
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void member_fn(long x) { // C4458
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double y; // C4458
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y = x;
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// To fix this issue, change the parameter name x
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// and local name y to something that does not
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// conflict with the data member names.
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}
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} s;
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```

‎docs/error-messages/compiler-warnings/compiler-warning-level-4-c4459.md‎

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---
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title: "Compiler Warning (level 4) C4459 | Microsoft Docs"
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ms.custom: ""
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ms.date: "11/04/2016"
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ms.reviewer: ""
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ms.suite: ""
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ms.technology:
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- "devlang-cpp"
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ms.tgt_pltfrm: ""
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ms.topic: "error-reference"
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f1_keywords:
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- "C4459"
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dev_langs:
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- "C++"
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helpviewer_keywords:
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- "C4459"
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ms.assetid: ee9f6287-9c70-4b10-82a0-add82a13997f
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caps.latest.revision: 0
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author: "corob-msft"
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ms.author: "corob"
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manager: "ghogen"
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translation.priority.ht:
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- "cs-cz"
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- "de-de"
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- "es-es"
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- "fr-fr"
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- "it-it"
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- "ja-jp"
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- "ko-kr"
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- "pl-pl"
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- "pt-br"
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- "ru-ru"
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- "tr-tr"
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- "zh-cn"
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- "zh-tw"
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---
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# Compiler Warning (level 4) C4459
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> declaration of '*identifier*' hides global declaration
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The declaration of *identifier* in the local scope hides the declaration of the identically-named *identifier* in global scope. This warning lets you know that references to *identifier* in this scope resolve to the locally declared version, not the global version, which may or may not be your intent. Generally, we recommend you minimize the use of global variables as a good engineering practice. To minimize pollution of the global namespace, we recommend use of a named namespace for global variables.
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This warning was new in Visual Studio 2015, in Visual C++ compiler version 18.00. To suppress warnings from that version of the compiler or later while migrating your code, use the [/Wv:18](../../build/reference/compiler-option-warning-level.md) compiler option.
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## Example
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The following sample generates C4459:
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```cpp
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// C4459_hide.cpp
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// compile with: cl /W4 /EHsc C4459_hide.cpp
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int global_or_local = 1;
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int main() {
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int global_or_local; // warning C4459
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global_or_local = 2;
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}
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```
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One way to fix this issue is to create a namespace for your globals, but not use a `using` directive to bring that namespace into scope, so all references must use the unambiguous qualified names:
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```cpp
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// C4459_namespace.cpp
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// compile with: cl /W4 /EHsc C4459_namespace.cpp
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namespace globals {
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int global_or_local = 1;
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}
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int main() {
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int global_or_local; // OK
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global_or_local = 2;
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globals::global_or_local = 3;
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}
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```

‎docs/error-messages/compiler-warnings/compiler-warnings-c4400-through-c4599.md‎

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|Compiler warning (level 1) C4453|'*type*': A '[WebHostHidden]' type should not be used on the published surface of a public type that is not '[WebHostHidden]'|
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|Compiler warning (level 1) C4454|'*function*' is overloaded by more than the number of input parameters without having [DefaultOverload] specified. Picking '*declaration*' as the default overload|
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|Compiler warning (level 1) C4455|'operator *operator*': literal suffix identifiers that do not start with an underscore are reserved|
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|Compiler warning (level 3) C4456|declaration of '*identifier*' hides previous local declaration|
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|Compiler warning (level 3) C4457|declaration of '*identifier*' hides function parameter|
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|Compiler warning (level 3) C4458|declaration of '*identifier*' hides class member|
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|Compiler warning (level 3) C4459|declaration of '*identifier*' hides global declaration|
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|[Compiler warning (level 4) C4456](compiler-warning-level-4-c4456.md)|declaration of '*identifier*' hides previous local declaration|
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|[Compiler warning (level 4) C4457](compiler-warning-level-4-c4457.md)|declaration of '*identifier*' hides function parameter|
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|[Compiler warning (level 4) C4458](compiler-warning-level-4-c4458.md)|declaration of '*identifier*' hides class member|
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|[Compiler warning (level 4) C4459](compiler-warning-level-4-c4459.md)|declaration of '*identifier*' hides global declaration|
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|[Compiler Warning (level 4) C4460](../../error-messages/compiler-warnings/compiler-warning-level-4-c4460.md)|'WinRT&#124;managed' operator '*operator*', has parameter passed by reference. 'WinRT&#124;managed' operator '*operator*' has different semantics from C++ operator '*cpp_operator*', did you intend to pass by value?|
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|[Compiler Warning (level 1) C4461](../../error-messages/compiler-warnings/compiler-warning-level-1-c4461.md)|'*classname*': this class has a finalizer '!*finalizer*' but no destructor '~*dtor*'|
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|[Compiler Warning (level 1) C4462](../../error-messages/compiler-warnings/compiler-warning-level-1-c4462.md)|'*type*' : cannot determine the GUID of the type. Program may fail at runtime.|

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