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Questions - preprocessor

What is a good technique for compile-time detection of mismatched preprocessor-definitions between library-code and user-code?

Motivating background info: I maintain a C++ library, and I spent way too much time this weekend tracking down a mysterious memory-corruption problem in an application that links to this library. Th...
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Jeremy Friesner

c++

static-libraries

preprocessor

Votes: 0

Answers: 3

Latest Answer

One way of implementing such a check is to provide definition/declaration pairs for global variables that change, according to whether or not particular macros/tokens are defined. Doing so will cause ...
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Adrian Mole

Simplify C++ inclusion with macros

Considering a C++ project with an include folder inside which the source code of several repositories is placed, how could I simplify their inclusion in the main file? I tried something like this: // ...
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rudicangiotti

c++

macros

preprocessor

Votes: 0

Answers: 2

Latest Answer

The right way to do it is to pass SOMEPROJ_SRC_PATH as a search path of include files with -I option. main.cpp: #include <iostream> #include "some.h" int main() { std::cout <&...
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Tomasz Maciejewski

C++ Storing constant varibale names within a vector

My task is to write a preprocessor that replaces the constant variable with its actual value. To do this, I have created a struct and a vector to store the constant name and value. But unfortunately, ...
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JavaNoob

c++

vector

struct

constants

preprocessor

Votes: 0

Answers: 1

Latest Answer

Simply use a new local variable inside your reading loop like this: while(stream >> token) { if(token == "#define") { constantVariable addconst...
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Klaus

How to pass parameter (token) to another thread group , i need to use the parameter pass from another threadgroup as dynamic url

How to pass parameter (token) to another thread group , i need to use the parameter pass from another threadgroup as dynamic url ( as the image above , i need to use Survey Token as parameter on the n...
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LydiaX

jmeter

preprocessor

Votes: 0

Answers: 1

Latest Answer

As per documentation: Properties are not the same as variables. Variables are local to a thread; properties are common to all threads, and need to be referenced using the __P or __property function. ...
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Dmitri T

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