get the value of a c constant

Question

I have a .h file in which hundreds of constants are defined as macros:

#define C_CONST_NAME Value

What I need is a function that can dynamically get the value of one of these constants.

needed function header :

int getConstValue(char * constName);

Is that even possible in the C langage?

---- EDIT

Thanks for the help, That was quick :)

as i was thinking there is no miracle solution for my needs.

In fact the header file i use is generated by "SCADE : http://www.esterel-technologies.com/products/scade-suite/"

On of the solution i got from @Chris is to use some python to generate c code that does the work.

Now its to me to make some optimizations in order to find the constant name. I have more than 5000 constants O(500^2)

i'm also looking at the "X-Macros" The first time i hear of that, home it works in C because i'm not allowed to use c++.

Thanks

Answer 1

C can't do this for you. You will need to store them in a different structure, or use a preprocessor to build the hundreds of if statements you would need. Something like Cogflect could help.