This has been sent to the wrong address, sorry Michael.
Am 28.02.2012 08:57, schrieb Michael Schnell:
Often we need to combine buffer data from binary pieces and character
data/strings.
Obviously.
So why not define decent types like ByteString, WordString,
DWordString, (maybe CharString,
Am 28.02.2012 05:04, schrieb Martin Schreiber:
Hi,
I read that we should use TBytes instead of AnsiString in order to
implement combined binary/character buffers with automatic memory
management. With AnsiString we used setlength() in order to allocate not
initialized memory.
TBytes is defined
Am 28.02.2012 08:24, schrieb Martin Schreiber:
This has been sent to the wrong address, sorry Michael.
So I'm not the only one who often has this problem when answering to one
of Michael's mails ^^ (suggested solution answer to all or equivalent
solution for your client)
Regards,
Sven
Am 28.02.2012 09:23, schrieb Sven Barth:
For strings SetLength also fills the string with zeros as the following
example shows:
=== example begin ===
program setlengthtest;
var
barr: array of Byte;
b: Byte;
s: AnsiString;
c: Char;
begin
SetLength(barr, 20);
for b in barr do
Write(b, ' ');
On Tue, 28 Feb 2012 09:23:34 +0100
Sven Barth pascaldra...@googlemail.com wrote:
Am 28.02.2012 05:04, schrieb Martin Schreiber:
Hi,
I read that we should use TBytes instead of AnsiString in order to
implement combined binary/character buffers with automatic memory
management. With
On 02/28/2012 09:34 AM, Sven Barth wrote:
So I'm not the only one who often has this problem when answering to
one of Michael's mails
Ooops. Why are my contributions different from others ? I am just using
Thunderbird and do answer to all when replying to the list (as the
list daemons
Am 28.02.2012 08:40, schrieb Martin Schreiber:
Am 28.02.2012 09:23, schrieb Sven Barth:
For strings SetLength also fills the string with zeros as the following
example shows:
=== example begin ===
program setlengthtest;
var
barr: array of Byte;
b: Byte;
s: AnsiString;
c: Char;
begin
Am 28.02.2012 09:41, schrieb Michael Schnell:
On 02/28/2012 09:34 AM, Sven Barth wrote:
So I'm not the only one who often has this problem when answering to
one of Michael's mails
Ooops. Why are my contributions different from others ? I am just using
Thunderbird and do answer to all when
Am 28.02.2012 09:41, schrieb Mattias Gaertner:
On Tue, 28 Feb 2012 09:23:34 +0100
Sven Barthpascaldra...@googlemail.com wrote:
Am 28.02.2012 05:04, schrieb Martin Schreiber:
Hi,
I read that we should use TBytes instead of AnsiString in order to
implement combined binary/character buffers
Am 28.02.2012 09:46, schrieb Sven Barth:
You are right, I checked the code of SetLength for arrays and strings
and only arrays use FillChar. Nevertheless there is no other operation
you can use for arrays.
Same in Delphi?
Martin
___
fpc-devel
Am 28.02.2012 09:07, schrieb Martin Schreiber:
Am 28.02.2012 09:46, schrieb Sven Barth:
You are right, I checked the code of SetLength for arrays and strings
and only arrays use FillChar. Nevertheless there is no other operation
you can use for arrays.
Same in Delphi?
I can't tell whether
Am 28.02.2012 10:10, schrieb Sven Barth:
Am 28.02.2012 09:07, schrieb Martin Schreiber:
Am 28.02.2012 09:46, schrieb Sven Barth:
You are right, I checked the code of SetLength for arrays and strings
and only arrays use FillChar. Nevertheless there is no other operation
you can use for
In our previous episode, Martin Schreiber said:
I read that we should use TBytes instead of AnsiString in order to
implement combined binary/character buffers with automatic memory
management. With AnsiString we used setlength() in order to allocate not
initialized memory.
TBytes is
Am 28.02.2012 10:40, schrieb Michael Schnell:
On 02/28/2012 09:52 AM, Sven Barth wrote:
Maybe you should do an answer to list yourself? At least the FPC and
Lazarus list daemons seem to be configured properly...
So you think the additional mail to the original poster is not appropriate.
If
On 02/28/2012 10:43 AM, Sven Barth wrote:
Let's make a test: Answer to this mail once using answer all and
once answer list. Then I will answer to you using answer list and
we'll see where the answers go.
This is the reply all test message for Sven.
Those who are not concerned: please ignore.
On 02/28/2012 10:43 AM, Sven Barth wrote:
Let's make a test: Answer to this mail once using answer all and
once answer list. Then I will answer to you using answer list and
we'll see where the answers go.
This is the reply to sender test message for Sven. (_Here_ in fact it
goes to the list.
Am 28.02.2012 10:38, schrieb Marco van de Voort:
In our previous episode, Martin Schreiber said:
I read that we should use TBytes instead of AnsiString in order to
implement combined binary/character buffers with automatic memory
management. With AnsiString we used setlength() in order to
Am 28.02.2012 09:28, schrieb Martin Schreiber:
Am 28.02.2012 10:10, schrieb Sven Barth:
Am 28.02.2012 09:07, schrieb Martin Schreiber:
Am 28.02.2012 09:46, schrieb Sven Barth:
You are right, I checked the code of SetLength for arrays and strings
and only arrays use FillChar. Nevertheless
Am 28.02.2012 10:47, schrieb Michael Schnell:
On 02/28/2012 10:43 AM, Sven Barth wrote:
Let's make a test: Answer to this mail once using answer all and
once answer list. Then I will answer to you using answer list and
we'll see where the answers go.
This is the reply to sender test message
Am 28.02.2012 10:52, schrieb Sven Barth:
Am 28.02.2012 10:47, schrieb Michael Schnell:
On 02/28/2012 10:43 AM, Sven Barth wrote:
Let's make a test: Answer to this mail once using answer all and
once answer list. Then I will answer to you using answer list and
we'll see where the answers go.
On 02/28/2012 10:52 AM, Sven Barth wrote:
Am 28.02.2012 10:47, schrieb Michael Schnell:
On 02/28/2012 10:43 AM, Sven Barth wrote:
Let's make a test: Answer to this mail once using answer all and
once answer list. Then I will answer to you using answer list and
we'll see where the answers go.
On 02/28/2012 10:54 AM, Sven Barth wrote:
So it seems that you should use reply to sender as this was the only
mail that went to the list with reply to list... Now it would be
interesting to know why this is the case ^^
Seemingly the list daemons can be configured regarding what to use as
In our previous episode, Martin Schreiber said:
If you care, you can do manual management.
Yup, MSEgui has allocuninitedarray() for the purpose. I don't think it
is more clean or secure than the old ansistring method because it
depends on compiler internals.
getmem/freemem ?
Or pool
Am 28.02.2012 11:59, schrieb Marco van de Voort:
In our previous episode, Martin Schreiber said:
If you care, you can do manual management.
Yup, MSEgui has allocuninitedarray() for the purpose. I don't think it
is more clean or secure than the old ansistring method because it
depends on
In our previous episode, Martin Schreiber said:
think that is still bad though, but if you switch typing string to explicit
ansistring, there is no rush), but I think at least public
programming interfaces should be free of such gotchas.
[...]
Then please implement such a handy
Am 28.02.2012 12:18, schrieb Marco van de Voort:
In our previous episode, Martin Schreiber said:
think that is still bad though, but if you switch typing string to explicit
ansistring, there is no rush), but I think at least public
programming interfaces should be free of such gotchas.
[...]
On 02/28/2012 11:14 AM, Martin Schreiber wrote:
Then please implement such a handy character string compatible
automatic memory managed buffer type.
For alternative Data-String type we of course would need things like
TStringlist, as well !
-Michael
Am 28.02.2012 12:18, schrieb Marco van de Voort:
This was about a case where it was not character data.
And please don't wait until Delphi has made it or Delphi changed string
handling completely again which seems to be possible according a thread
with Allen Bauer in Embarcadero forum. And
In our previous episode, Sven Barth said:
handling completely again which seems to be possible according a thread
with Allen Bauer in Embarcadero forum. And please implement it before
AnsiStrings can't be used for the purpose anymore.
If you care about the repeated addition stuff, you
28.02.2012 16:31, Marco van de Voort пишет:
In our previous episode, Sven Barth said:
handling completely again which seems to be possible according a thread
with Allen Bauer in Embarcadero forum. And please implement it before
AnsiStrings can't be used for the purpose anymore.
If you care
Am 28.02.2012 13:31, schrieb Marco van de Voort:
In our previous episode, Sven Barth said:
handling completely again which seems to be possible according a thread
with Allen Bauer in Embarcadero forum. And please implement it before
AnsiStrings can't be used for the purpose anymore.
If you
Hi,
I read that we should use TBytes instead of AnsiString in order to
implement combined binary/character buffers with automatic memory
management. With AnsiString we used setlength() in order to allocate not
initialized memory.
TBytes is defined as
TBytes = array of Byte;
where
On 02/28/2012 05:04 AM, Martin Schreiber wrote:
I read that we should use TBytes instead of AnsiString in order to
implement combined binary/character buffers with automatic memory
management.
Why ?
To me (Ansi-) strings seem a lot more convenient in many cases (e.g.
when implementing a
Am 28.02.2012 08:06, schrieb Michael Schnell:
On 02/28/2012 05:04 AM, Martin Schreiber wrote:
I read that we should use TBytes instead of AnsiString in order to
implement combined binary/character buffers with automatic memory
management.
Why ?
Because of Delphi compatibility and code
On 02/28/2012 07:29 AM, Martin Schreiber wrote:
Because of Delphi compatibility and code cleanness.
I see: The Unicode Threat that makes String a moving target, forcing
the poor String type to be visible Text i.e. holding a (somehow)
known encoding of its binary content.
Of course I do see
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