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< Erlang ~ erl_interface and string |
| Skully |
 Posted: Sat Jul 23, 2011 9:01 am |
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Joined: 21 May 2007
Posts: 8
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Hello,
i am experimenting a bit with erl_interface and accessing c-code from Erlang.
It is working so far with the tutorial examples but i want to try to call a c method with a string vom erlang.
But i havnt found any suitable method for accessing the string representation of the given term like a ERL_STRING_VALUE.
http://linux.die.net/man/3/erl_eterm
I am not a c hacker, any advice how to access the string of the given term? |
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| Skully |
| Posted: Sat Jul 23, 2011 12:55 pm |
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Joined: 21 May 2007
Posts: 8
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[quote="Skully"]hm okay.
My goal is to play a sound file from a c-file with a c-library.
It is working so far with hardcoded name of the sound-file but i would like to give the filename as param with erlang.
edit: okay here is the solution
Code:
argp = erl_element(2, tuplep);
char *file = erl_iolist_to_string(argp);
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| dongdongwu |
| Posted: Thu Sep 20, 2012 5:58 am |
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Joined: 19 Sep 2012
Posts: 236
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