Dealing with charset between different applications (Java/C+

Christian · Joined: 30 Jan 2008 Posts: 9

Hi,
I have some doubts and I hope you can dissolve them.
I'm using as my target machine a Pocket PC with Windows Mobile SE
2003. I have a client written in Java and a server written in C++. I
have to send characters such as è,ò,à and so on. I suppose that if I
send from java application such characters and I receive them in a
char array,they'll be misunderstood right?
The charset in use on the Pocket PC is ISO8859_1 (discovered through
java application). If I send bytes with this encoding,how can I deal
them? wchar_t?
And how I send responses to the client? send is defined as:

send(
IN SOCKET s,
IN const char FAR * buf,
IN int len,
IN int flags
);

which it doesn't use wchar_t. Please give me some advices.
Thanks

Archived from group: microsoft>public>pocketpc>developer

user · Joined: 15 Aug 2007 Posts: 459

As long as the sender and the receiver use the same charset (and they will
be) then there's no problem. A socket sends a stream of bytes. It could be
ascii chars, wchars, image data or anything you want. As long as the sender
and receiver are using the same thing it will work fine.

--

Chris Tacke, Embedded MVP
OpenNETCF Consulting
Giving back to the embedded community
http://community.OpenNETCF.com

"Christian" wrote in message @o77g2000hsf.googlegroups.com...
Hi,
I have some doubts and I hope you can dissolve them.
I'm using as my target machine a Pocket PC with Windows Mobile SE
2003. I have a client written in Java and a server written in C++. I
have to send characters such as è,ò,à and so on. I suppose that if I
send from java application such characters and I receive them in a
char array,they'll be misunderstood right?
The charset in use on the Pocket PC is ISO8859_1 (discovered through
java application). If I send bytes with this encoding,how can I deal
them? wchar_t?
And how I send responses to the client? send is defined as:

send(
IN SOCKET s,
IN const char FAR * buf,
IN int len,
IN int flags
);

which it doesn't use wchar_t. Please give me some advices.
Thanks

Christian · Joined: 30 Jan 2008 Posts: 9

On Feb 19, 2:33 pm, "" wrote:
> As long as the sender and the receiver use the same charset (and they will
> be) then there's no problem. A socket sends a stream of bytes. It could be
> ascii chars, wchars, image data or anything you want. As long as the sender
> and receiver are using the same thing it will work fine.

That's clear....
1) But how can I use ISO8859_1 charset in C++?
2) when I define a charr sequence,what's the default charset? And if I
define a wchar sequence?

Thanks.

user · Joined: 15 Aug 2007 Posts: 459

Just use wchar_t or TCHAR.

--

Chris Tacke, Embedded MVP
OpenNETCF Consulting
Giving back to the embedded community
http://community.OpenNETCF.com

"Christian" wrote in message @e60g2000hsh.googlegroups.com...
> On Feb 19, 2:33 pm, "" wrote:
>> As long as the sender and the receiver use the same charset (and they
>> will
>> be) then there's no problem. A socket sends a stream of bytes. It could
>> be
>> ascii chars, wchars, image data or anything you want. As long as the
>> sender
>> and receiver are using the same thing it will work fine.
>
> That's clear....
> 1) But how can I use ISO8859_1 charset in C++?
> 2) when I define a charr sequence,what's the default charset? And if I
> define a wchar sequence?
>
> Thanks.
>

r_z_aret · Joined: 15 Aug 2007 Posts: 2774

On Wed, 20 Feb 2008 05:07:48 -0600, ""
wrote:

>Just use wchar_t or TCHAR.

These are equivalent if and only if UNICODE is defined for the build.
Which is always true when building for Windows CE and platforms built
on it. But mixing the two can cause nasty problems if the source code
is ever compiled with UNICODE not defined.

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Boston, MA 02116
www.penfact.com

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