Aketch  Rachel

Aketch Rachel

1621022040

C++ Annotated: December 2020. Now Also Available as a Podcast!

Welcome to the newest edition of C++ Annotated and its companion, the No Diagnostic Required YouTube show! They are now available in the following formats:

  • The regular digest published monthly on this blog (use the form on the right to subscribe).
  • C++ Annotated emails, which you can subscribe to by filling out this form.
  • The _No Diagnostic Required _show here in the blog or on YouTube. To stay tuned, follow us on Twitter.
  • You should be able to find us in most podcast players by searching for “No Diagnostic Required” (see the list on our website).

December news

Watch the new episode of No Diagnostic Required below, or just read on!

20 years of LLVM

How long have you been aware of the LLVM project, or maybe contributed to it? Turns out it started a full 20 years ago! All are invited to share their experiences with LLVM in the dedicated tweet that celebrates the date. Don’t forget to use the #CelebrateLLVM hashtag.

Because of that thread, people often start with LLVM as a backend for their programming language, such as Event, a language for rule-based complex-event processing on distributed networks, or Julia, a language for technical computing. At JetBrains, we’re also building Kotlin/Native for Native on top of the LLVM platform.

But LLVM is much more than a compiler backend. It’s also a set of various tools like analyzers, formatter, debugger, linker, an implementation of the standard library, OpenCL, OpenMP, and more. It’s impressive to see the ecosystem growing and getting more contributions from the community and more developers relying on LLVM in all sorts of projects.

Our users often ask us how to set up Clang on Windows without Microsoft Visual Studio installed. Clang from the LLVM repo is built using MSVC, and all the built-in macros and include search paths are set up for use with Visual Studio. However, the MSYS2 Clang works with the mingw-w64 toolchain nicely. Read on about how to configure it.

#cpp #cpp annotated #cpp news #c++ #annotated

What is GEEK

Buddha Community

C++ Annotated: December 2020. Now Also Available as a Podcast!
Aketch  Rachel

Aketch Rachel

1621022040

C++ Annotated: December 2020. Now Also Available as a Podcast!

Welcome to the newest edition of C++ Annotated and its companion, the No Diagnostic Required YouTube show! They are now available in the following formats:

  • The regular digest published monthly on this blog (use the form on the right to subscribe).
  • C++ Annotated emails, which you can subscribe to by filling out this form.
  • The _No Diagnostic Required _show here in the blog or on YouTube. To stay tuned, follow us on Twitter.
  • You should be able to find us in most podcast players by searching for “No Diagnostic Required” (see the list on our website).

December news

Watch the new episode of No Diagnostic Required below, or just read on!

20 years of LLVM

How long have you been aware of the LLVM project, or maybe contributed to it? Turns out it started a full 20 years ago! All are invited to share their experiences with LLVM in the dedicated tweet that celebrates the date. Don’t forget to use the #CelebrateLLVM hashtag.

Because of that thread, people often start with LLVM as a backend for their programming language, such as Event, a language for rule-based complex-event processing on distributed networks, or Julia, a language for technical computing. At JetBrains, we’re also building Kotlin/Native for Native on top of the LLVM platform.

But LLVM is much more than a compiler backend. It’s also a set of various tools like analyzers, formatter, debugger, linker, an implementation of the standard library, OpenCL, OpenMP, and more. It’s impressive to see the ecosystem growing and getting more contributions from the community and more developers relying on LLVM in all sorts of projects.

Our users often ask us how to set up Clang on Windows without Microsoft Visual Studio installed. Clang from the LLVM repo is built using MSVC, and all the built-in macros and include search paths are set up for use with Visual Studio. However, the MSYS2 Clang works with the mingw-w64 toolchain nicely. Read on about how to configure it.

#cpp #cpp annotated #cpp news #c++ #annotated

Brain  Crist

Brain Crist

1594753020

Citrix Bugs Allow Unauthenticated Code Injection, Data Theft

Multiple vulnerabilities in the Citrix Application Delivery Controller (ADC) and Gateway would allow code injection, information disclosure and denial of service, the networking vendor announced Tuesday. Four of the bugs are exploitable by an unauthenticated, remote attacker.

The Citrix products (formerly known as NetScaler ADC and Gateway) are used for application-aware traffic management and secure remote access, respectively, and are installed in at least 80,000 companies in 158 countries, according to a December assessment from Positive Technologies.

Other flaws announced Tuesday also affect Citrix SD-WAN WANOP appliances, models 4000-WO, 4100-WO, 5000-WO and 5100-WO.

Attacks on the management interface of the products could result in system compromise by an unauthenticated user on the management network; or system compromise through cross-site scripting (XSS). Attackers could also create a download link for the device which, if downloaded and then executed by an unauthenticated user on the management network, could result in the compromise of a local computer.

“Customers who have configured their systems in accordance with Citrix recommendations [i.e., to have this interface separated from the network and protected by a firewall] have significantly reduced their risk from attacks to the management interface,” according to the vendor.

Threat actors could also mount attacks on Virtual IPs (VIPs). VIPs, among other things, are used to provide users with a unique IP address for communicating with network resources for applications that do not allow multiple connections or users from the same IP address.

The VIP attacks include denial of service against either the Gateway or Authentication virtual servers by an unauthenticated user; or remote port scanning of the internal network by an authenticated Citrix Gateway user.

“Attackers can only discern whether a TLS connection is possible with the port and cannot communicate further with the end devices,” according to the critical Citrix advisory. “Customers who have not enabled either the Gateway or Authentication virtual servers are not at risk from attacks that are applicable to those servers. Other virtual servers e.g. load balancing and content switching virtual servers are not affected by these issues.”

A final vulnerability has been found in Citrix Gateway Plug-in for Linux that would allow a local logged-on user of a Linux system with that plug-in installed to elevate their privileges to an administrator account on that computer, the company said.

#vulnerabilities #adc #citrix #code injection #critical advisory #cve-2020-8187 #cve-2020-8190 #cve-2020-8191 #cve-2020-8193 #cve-2020-8194 #cve-2020-8195 #cve-2020-8196 #cve-2020-8197 #cve-2020-8198 #cve-2020-8199 #denial of service #gateway #information disclosure #patches #security advisory #security bugs

Tamale  Moses

Tamale Moses

1624240146

How to Run C/C++ in Sublime Text?

C and C++ are the most powerful programming language in the world. Most of the super fast and complex libraries and algorithms are written in C or C++. Most powerful Kernel programs are also written in C. So, there is no way to skip it.

In programming competitions, most programmers prefer to write code in C or C++. Tourist is considered the worlds top programming contestant of all ages who write code in C++.

During programming competitions, programmers prefer to use a lightweight editor to focus on coding and algorithm designing. VimSublime Text, and Notepad++ are the most common editors for us. Apart from the competition, many software developers and professionals love to use Sublime Text just because of its flexibility.

I have discussed the steps we need to complete in this blog post before running a C/C++ code in Sublime Text. We will take the inputs from an input file and print outputs to an output file without using freopen file related functions in C/C++.

#cpp #c #c-programming #sublimetext #c++ #c/c++

Dicey Issues in C/C++

If you are familiar with C/C++then you must have come across some unusual things and if you haven’t, then you are about to. The below codes are checked twice before adding, so feel free to share this article with your friends. The following displays some of the issues:

  1. Using multiple variables in the print function
  2. Comparing Signed integer with unsigned integer
  3. Putting a semicolon at the end of the loop statement
  4. C preprocessor doesn’t need a semicolon
  5. Size of the string matters
  6. Macros and equations aren’t good friends
  7. Never compare Floating data type with double data type
  8. Arrays have a boundary
  9. Character constants are different from string literals
  10. Difference between single(=) and double(==) equal signs.

The below code generates no error since a print function can take any number of inputs but creates a mismatch with the variables. The print function is used to display characters, strings, integers, float, octal, and hexadecimal values onto the output screen. The format specifier is used to display the value of a variable.

  1. %d indicates Integer Format Specifier
  2. %f indicates Float Format Specifier
  3. %c indicates Character Format Specifier
  4. %s indicates String Format Specifier
  5. %u indicates Unsigned Integer Format Specifier
  6. %ld indicates Long Int Format Specifier

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A signed integer is a 32-bit datum that encodes an integer in the range [-2147483648 to 2147483647]. An unsigned integer is a 32-bit datum that encodes a non-negative integer in the range [0 to 4294967295]. The signed integer is represented in twos-complement notation. In the below code the signed integer will be converted to the maximum unsigned integer then compared with the unsigned integer.

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#problems-with-c #dicey-issues-in-c #c-programming #c++ #c #cplusplus

Ari  Bogisich

Ari Bogisich

1589816580

Using isdigit() in C/C++

In this article, we’ll take a look at using the isdigit() function in C/C++. This is a very simple way to check if any value is a digit or not. Let’s look at how to use this function, using some simple examples.

#c programming #c++ #c #c#