What does _IN_ mean?

What does _IN_ mean?

The _In_ annotation indicates that: The parameter must be valid and will not be modified. The function will only read from the single-element buffer. The caller must provide the buffer and initialize it.

What are SAL annotations?

SAL is the Microsoft source code annotation language. By using source code annotations, you can make the intent behind your code explicit. These annotations also enable automated static analysis tools to analyze your code more accurately, with significantly fewer false positives and false negatives.

What are Visual Studio annotations?

You can annotate a file to determine who made changes and what changes they made in all the earlier versions of the file. Procedure to annotate a file. In Visual Studio, Solution Explorer, go to the of the file you want to annotate, right-click on that file and then choose Source Control and then Annotate.

What is SAL h?

Sal. h uses the H file extension, which is more specifically known as a C/C++/Objective-C Header file. It is classified as a Developer (C/C++/Objective-C Header) file, created for Orwell Dev-C++ 5.11 by orwelldevcpp. The first version of sal.

What is << called in C++?

The symbol << is called insertion operation and output operator.

How do I see annotations in Visual Studio?

In Source Control Explorer, go to the version of the file you want to annotate, open its shortcut menu, and then choose Annotate. The Annotated window displays the annotated file.

How do you blame in Visual Studio?


  1. Open Visual Studio Code.
  2. Press Ctrl+Shift+X or ⇧⌘X.
  3. Type blame.
  4. Click install on Git Blame.

What is this symbol called <

This table contains special characters.

Symbol Name of the symbol
Interrobang (combined ‘Question mark’ and ‘Exclamation mark’)
¡ Inverted exclamation mark
¿ Inverted question mark
< Less-than sign

What is << called in C ++?

What is the source code annotation language (SAL)?

These are examples of the Microsoft source-code annotation language (SAL), which provides a set of annotations to describe how a function uses its parameters, for example, the assumptions it makes about them and the guarantees it makes on finishing. The header file defines the annotations.

What is the difference between Sal 1 and Sal 2?

SAL 2.0 replaces SAL 1.0. SAL 2.0 should be used with the Windows Driver Kit (WDK) 8 for Windows 8. If you need information about the SAL 1.0 for drivers, refer to the documentation that ships with the WDK for Windows 7.

What is the difference between the annotation’s first and second parameters?

The annotation’s first parameter is the size of the allocated array, while the second parameter is the number of elements (from the start) which have been written.

What version of Sal is used in Visual Studio 2012?

In this article I will describe most of the annotations, often with sample code to show their correct usage. The annotation language was greatly improved with SAL 2.0, which can be used starting with Visual Studio 2012. This article only covers that version. A porting guide from SAL 1 can be found here.

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