[Vala] ***SPAM*** Re: Help~ How to call system API like open() and socket()?
- From: pancake <pancake youterm com>
- To: vala paldo org
- Subject: [Vala] ***SPAM*** Re: Help~ How to call system API like open() and socket()?
- Date: Wed, 26 Sep 2007 21:27:58 +0200
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Content preview: Read the archives. This is what I used to call native stuff
from Vala: Subject: [Vala] Calling C code from Vala Date: Sat, 8 Sep 2007
21:41:37 +0200 Looking inside the vala sources I have seen how valaparser.vala
interacts with parser.c. It's the only place it's used the [Import ()] directive
and imho this is a nice feature that should be documented on the wiki. (feel
free to add this example) [...]
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--- Begin Message ---
- From: pancake <pancake youterm com>
- To: vala paldo org
- Subject: Re: [Vala] Help~ How to call system API like open() and socket()?
- Date: Wed, 26 Sep 2007 21:27:58 +0200
Read the archives. This is what I used to call native stuff from Vala:
Subject: [Vala] Calling C code from Vala
Date: Sat, 8 Sep 2007 21:41:37 +0200
Looking inside the vala sources I have seen how valaparser.vala interacts with parser.c.
It's the only place it's used the [Import ()] directive and imho this is a nice feature
that should be documented on the wiki. (feel free to add this example)
Here's an explanation:
$ cat foo.vala
using GLib;
public class Foo.Bar
{
public static int main(string[] args)
{
hello_msg("World!");
return 0;
}
[Import ()]
public static void hello_msg(string name);
}
We define an imported static method (no need to be static, but for a simple example is ok)
on the Bar class of the Foo namespace.
Now we implement the hello_msg function in C inside bar.c:
$ cat bar.c
void foo_bar_hello_msg(void *name)
{
printf("Name: %s\n", name);
}
That is. Quite easy :)
To build just use this Makefile:
$ valac foo.vala bar.c -o foo
$ ./foo
Hello World!
On Wed, 26 Sep 2007 15:16:47 +0800
GaoXianchao <gxcmaillist gmail com> wrote:
Hi~
Today I found Vala. It's the dream language in my heart, I finally got it!
I want to use Vala to make my 3rd BitTorrent client.
My first BitTorrent Client is bitstormlite. It's using c++ & GTK2, already
in Debian & Ubuntu.
My second BitTorrent Client is bitbox <http://www.bitbox.cn> . It's based on
java.
bitbox is easy to develop but need jvm and more memory. bitstormlite is fast
but development using c++ is hard.
so I think Vala is my best selection. I have a question :
How to call system API like open() and socket()?
Thanks a lot!
--pancake
--- End Message ---
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