C Library for Working with Waves

waves-c

C library for working with Waves.

Building

This package uses CMake version 3.9 (or newer) for building and it depends on development package of OpenSSL version 1.1 (or newer).

To build it on Linux, install the OpenSSL 1.1 development package (usually called something like openssl-dev), then run the following commands:

cmake .
make

On macOS, install OpenSSL using brew, then pass the OpenSSL root directory path as a CMake parameter as follows:

brew install openssl@1.1
cmake -DOPENSSL_ROOT_DIR=/usr/local/opt/openssl@1.1 .
make

Packaging

By default, the CMake configuration enables all supported CPack generators. Check out the CPACK_GENERATOR option for the list of supported CPack generators (see src/CMakeLists.txt). CPack generator can be overridden as follows:

cmake -DCPACK_GENERATOR=RPM .

Installing

If there is no suitable CPack generator in the CPACK_GENERATOR list, then the only option is running make install.

Quick Start

For a quick start, we took the bcdev's waves_vanity source code as a basis. Thanks to bcdev for providing that!

Download Details:
Author: wavesplatform
Source Code: https://github.com/wavesplatform/waves-c
License: Apache-2.0 license

#waves #c  #blockchain  #smartcontract 

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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. Vim, Sublime 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.

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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.

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

How to work with static variables in C

Inside a function, you can initialize a static variable using the static keyword.

I said “inside a function”, because global variables are static by default, so there’s no need to 
add the keyword.

What’s a static variable? A static variable is initialized to 0 if no initial value is specified, and it retains the value across function calls.

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

How to solve the implicitly declaring library function warning in C

Learn how to solve the implicitly declaring library function warning in C

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

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#