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Load shared library from ruby

I have a stupid problem :

require 'dl/import'

dl = DL::dlopen('/root/[url removed, login to view]')

message =""

[url removed, login to view](message)

print message

but i have this error: undefined method

This is the c++ code:

void GetMessage(char* message)


char *pTemp = "Hello";

strcpy ( message, pTemp );


How i can resolve the problem?

Skills: Ruby on Rails, Software Architecture

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About the Employer:
( 5 reviews ) Sannazzaro, Italy

Project ID: #2792919

5 freelancers are bidding on average $61/hour for this job


Altering passed in variable is a bad idea.

$200 USD / hour
(41 Reviews)

We are certified ruby on rails team.

$25 USD / hour
(24 Reviews)

Easy, I can fix it in time.

$25 USD / hour
(10 Reviews)

I'll be happy to help you with this problem. I've done a lot of work calling C libraries from Ruby.

$40 USD / hour
(2 Reviews)

Hi! I will do it for you!

$15 USD / hour
(0 Reviews)