I've added a documentation patch to bug 0037906 in the bug tracker. This
covers the new code that I added to fcl/netdb for DNS resolution as well
most of the other functions and procedures in the unit. The patch also
adds examples that showcase the new functions. I've tested these on
Fedora 32
On 5/04/21 18:53, Michael Van Canneyt via fpc-pascal wrote:
On Mon, 5 Apr 2021, Noel Duffy via fpc-pascal wrote:
In the fpcdocs subversion project, there are a number of example
directories each containing one or more small programs and a Makefile.
My question is, is that Makefile
In the fpcdocs subversion project, there are a number of example
directories each containing one or more small programs and a Makefile.
My question is, is that Makefile automatically generated, or is it
hand-crafted?
I'm writing documentation for the netdb module and want to add some
example
On 30/01/21 11:43 pm, Michael Van Canneyt via fpc-pascal wrote:
On Sat, 30 Jan 2021, Noel Duffy via fpc-pascal wrote:
Lastly, a minor point: in the source for netdb.pp there's a comment warning of
stringfromlabel's lack of checks. Since it now has a good few checks, I think
th
On 30/01/21 9:45 pm, Michael Van Canneyt via fpc-pascal wrote:
On Sat, 30 Jan 2021, Noel Duffy via fpc-pascal wrote:
I've added patches to resolve issue #37906, DNS over TCP, to the bug tracker:
https://bugs.freepascal.org/view.php?id=37906
I've broken the changes into three p
I've added patches to resolve issue #37906, DNS over TCP, to the bug tracker:
https://bugs.freepascal.org/view.php?id=37906
I've broken the changes into three patches:
1. netdb.patch, which updates packages/fcl-net/src/netdb.pp, adding support for
DNS over TCP
2. netdb-example.patch, which add
On 24/01/21 11:53 pm, Sven Barth via fpc-pascal wrote:
Am 24.01.2021 um 08:37 schrieb Noel Duffy via fpc-pascal:
How should one go about adding unit tests to a package in the RTL? In many
packages, for instance fcl-db, there is a tests folder with fpcunit units and
programs in them, and
How should one go about adding unit tests to a package in the RTL? In many
packages, for instance fcl-db, there is a tests folder with fpcunit units and
programs in them, and they're referenced in fpmake.pp as example programs, but
these do not appear to be built or run during a standard build
On 3/01/21 3:31 am, Michael Van Canneyt via fpc-pascal wrote:
Hello !
I didn't make it quite in time for the new year, but still:
The fpdoc engine (what is used to document the FPC & Lazarus units) is now
capable of outputting the documentation in markdown.
This can be used as input for mkdo
On 7/12/20 11:29 am, Michael Van Canneyt via fpc-pascal wrote:
On Mon, 7 Dec 2020, Noel Duffy via fpc-pascal wrote:
All of these are in the new version as well. Perhaps I need to redo the changes
against trunk to avoid confusion.
Yes, please.
Line 55 contains:
{$if defined(android
On 7/12/20 12:41 am, Michael Van Canneyt via fpc-pascal wrote:
On Sun, 6 Dec 2020, Noel Duffy via fpc-pascal wrote:
Hi all,
Following up on the work I've being doing to add support for DNS queries over
TCP to netdb and to add support for querying all of the standard resource types
su
Hi all,
Following up on the work I've being doing to add support for DNS queries over
TCP to netdb and to add support for querying all of the standard resource types
such as MX, SOA, TXT, NS, etc, I've added the proposed changes to a note in the
Bugtracker:
https://bugs.freepascal.org/view.ph
On 11/10/20 9:42 pm, Michael Van Canneyt via fpc-pascal wrote:
On Sun, 11 Oct 2020, Noel Duffy via fpc-pascal wrote:
To avoid that duplication, the code would need to use a dynamic buffer and fill
it just before socket writing. The TCP variant would include its length field
in the buffer
On 11/10/20 9:42 pm, Michael Van Canneyt via fpc-pascal wrote:
On Sun, 11 Oct 2020, Noel Duffy via fpc-pascal wrote:
To avoid that duplication, the code would need to use a dynamic buffer and fill
it just before socket writing. The TCP variant would include its length field
in the buffer
Hi all,
To keep track of the work I've been doing on DNS in netdb, I created bug #37906
in Mantis.
https://bugs.freepascal.org/view.php?id=37906
I've attached to a note on that bug report a proof-of-concept version of
netdb.pp and a small program that uses it to make text queries over TCP. Th
On 26/09/20 9:07 pm, Michael Van Canneyt via fpc-pascal wrote:
On Sat, 26 Sep 2020, Noel Duffy via fpc-pascal wrote:
To restate the question, is 64k too much overhead for DNS queries? That
overhead would be present on all queries, regardless of whether UDP or TCP was
used.
I would then
On 26/09/20 9:07 pm, Michael Van Canneyt via fpc-pascal wrote:
On Sat, 26 Sep 2020, Noel Duffy via fpc-pascal wrote:
To restate the question, is 64k too much overhead for DNS queries? That
overhead would be present on all queries, regardless of whether UDP or TCP was
used.
I would then
Hi all,
I've spent some time this past couple of weeks reading through the DNS resolver
code in netdb and poring over RFCs that specify the protocol with a view to
adding support for additional resource record queries. Things like TXT, SOA,
and so forth. I'm using netdb from fpc 3.2.0 as the s
On 16/09/20 8:43 pm, Michael Van Canneyt via fpc-pascal wrote:
On Wed, 16 Sep 2020, Noel Duffy via fpc-pascal wrote:
I'm in need of a library to perform DNS lookups for a range of different
resource types such as MX, TXT, PTR and so on. At first I thought that netdb
would do the job
I'm in need of a library to perform DNS lookups for a range of different
resource types such as MX, TXT, PTR and so on. At first I thought that netdb
would do the job, but it turns out that it only supports direct A and AAA
lookups. However, the code actually has the ability to query all resour
On 17/05/20 3:00 am, Michael Van Canneyt wrote:
On Sat, 16 May 2020, Michael Van Canneyt wrote:
On Sat, 16 May 2020, Jonas Maebe wrote:
On 15/05/2020 12:39, Noel Duffy via fpc-pascal wrote:
While doing some work on bug 37060, the refactoring of StrToHostAddr
and
StrToHostAddr6 in the
On 17/05/20 1:21 am, Jonas Maebe wrote:
On 15/05/2020 12:39, Noel Duffy via fpc-pascal wrote:
While doing some work on bug 37060, the refactoring of StrToHostAddr and
StrToHostAddr6 in the sockets
unit,(https://bugs.freepascal.org/view.php?id=37060), I found that
StrToHostAddr is doing no
Per discussions, I've posted a proposed patch on bug 37060
https://bugs.freepascal.org/view.php?id=37060
I've also attached a test program that exercises the new functions.
___
fpc-pascal maillist - fpc-pascal@lists.freepascal.org
https://lists.free
On 15/05/20 11:25 pm, Michael Van Canneyt wrote:
On Fri, 15 May 2020, Noel Duffy via fpc-pascal wrote:
That must be a new record in bug fix speed. You fixed that within ten
minutes of my message to the list!
I forgot to mention in my message, but did mention in the bug report,
that
On 15/05/20 10:48 pm, Michael Van Canneyt wrote:
On Fri, 15 May 2020, Noel Duffy via fpc-pascal wrote:
While doing some work on bug 37060, the refactoring of StrToHostAddr
and StrToHostAddr6 in the sockets
unit,(https://bugs.freepascal.org/view.php?id=37060), I found that
StrToHostAddr is
While doing some work on bug 37060, the refactoring of StrToHostAddr and
StrToHostAddr6 in the sockets
unit,(https://bugs.freepascal.org/view.php?id=37060), I found that
StrToHostAddr is doing no validation at all on input address characters
before calling the function Val, so any Pascal notati
On 14/05/20 12:36 am, Michael Van Canneyt wrote:
On Wed, 13 May 2020, Noel Duffy via fpc-pascal wrote:
On 13/05/20 9:24 pm, Bart via fpc-pascal wrote:
On Wed, May 13, 2020 at 10:40 AM Noel Duffy via fpc-pascal
As I've already learned the hard way, the sockets unit is compiled in
On 13/05/20 9:24 pm, Bart via fpc-pascal wrote:
On Wed, May 13, 2020 at 10:40 AM Noel Duffy via fpc-pascal
As I've already learned the hard way, the sockets unit is compiled in
"fpc" mode, so there's no "out" parameters. Otherwise I would definitely
have used on
On 13/05/20 8:36 pm, Michael Van Canneyt wrote:
On Wed, 13 May 2020, Noel Duffy via fpc-pascal wrote:
On 13/05/20 7:26 pm, Michael Van Canneyt wrote:
BTW, I didn't see an obvious way within Mantis to link one bug to
another, or to indicate any kind of relationship. Is this pos
On 13/05/20 6:41 pm, Marc Weustink via fpc-pascal wrote:
On 12-5-2020 14:56, Marco van de Voort wrote:
Op 2020-05-12 om 12:32 schreef Michael Van Canneyt:
I'm all for it, but please use the following names:
function TryStrToHostAddr(IP: String; var ip4: in_addr): Boolean;
function TryStrTo
On 13/05/20 7:26 pm, Michael Van Canneyt wrote:
Always a new issue for new changes. Makes it easier to track where
something went wrong if something is wrong.
Done. https://bugs.freepascal.org/view.php?id=37060
I will try to get a patch ready for this in the next couple of days.
BTW, I didn
On 12/05/20 10:32 pm, Michael Van Canneyt wrote:> On Tue, 12 May 2020,
Noel Duffy via fpc-pascal wrote:>>>> A simple solution is to add
functions to the sockets unit which accep
a var record into which the output will be written and which return a
boolean to indicate success
On 13/05/20 12:56 am, Marco van de Voort wrote:
Op 2020-05-12 om 12:32 schreef Michael Van Canneyt:
The names I use here are the libc names, which many other languages
also use.
Now, StrToHostAddr and StrToHostAddr6 can call the appropriate
function, and programs that use those functions w
While working with StrToHostAddr and StrToHostAddr6 over the past couple
of weeks I've run into issues caused by the functions returning all zero
addresses to indicate errors. All-zero addresses are technically valid
according to the RFCs, so an all-zero address shouldn't be used as an
error se
I've submitted a test program and proposed patch to fix the IPv6 parsing
issues with StrToHostAddr6.
https://bugs.freepascal.org/view.php?id=37013
Because I only checked out the packages and rtl directories from
Subversion, my patch's root directory is packages. I hope this isn't a
problem, b
On 11/05/20 7:29 pm, Michael Van Canneyt wrote:
On Mon, 11 May 2020, Noel Duffy via fpc-pascal wrote:
Example error messages:
sockets.inc(497,5) Error: Identifier not found "Result"
sockets.inc(510,53) Fatal: Syntax error, ":" expected but "identifier
RES&quo
I've been beavering away at a fix for
https://bugs.freepascal.org/view.php?id=37013 and I've run into
something unexpected. When I try to build rtl-extra with my proposed
patch applied, I get compiler errors for things like the use of result
variables and var/out variables. I'm so used to these
On 7/05/20 9:43 pm, Michael Van Canneyt wrote:
On Thu, 7 May 2020, Noel Duffy via fpc-pascal wrote:
Well, considering the amount of RFCs I implemented for FPC, I think
I'll join you. Let me know what golf course you picked. If your email
address is any indication, new zealand is a bit fa
On 7/05/20 9:17 pm, Michael Van Canneyt wrote:
On Thu, 7 May 2020, Noel Duffy via fpc-pascal wrote:
Great. My worry was that the sockets unit might fall into the same
category as the libc one, available but deprecated and not recommended
for use. Plus, when rewriting something that's
On 6/05/20 11:40 pm, Karoly Balogh (Charlie/SGR) wrote:
As much as we use the compiler and associated libraries ourselves, we
can't cover every use case, or find every bug. A lot of packages are there
for completeness, or because someone submitted it, or for compatibility
with Delphi, not becaus
On 6/05/20 11:21 pm, Christo Crause via fpc-pascal wrote:
> On Wed, May 6, 2020 at 12:19 PM Noel Duffy via fpc-pascal
> <mailto:fpc-pascal@lists.freepascal.org>>
> wrote:
>
> So I guess the question is, is it worth the effort to make
> StrToHostAddr6 RFC4291 c
On 3/05/20 10:28 pm, Michael Van Canneyt wrote:
On Sun, 3 May 2020, Noel Duffy via fpc-pascal wrote:
On Sun, 3 May 2020 09:57:46 +0200 (CEST) Michael Van Canneyt
wrote:
Yes, please open a bug report. If you attach a small console test
program that
demonstrates the bug (and subsequently
On 3/05/20 10:28 pm, Michael Van Canneyt wrote:
Yes, please open a bug report. If you attach a small console test
program that
demonstrates the bug (and subsequently the fix) then I will make sure it
ends up in the correct place. If you make sure it exits with exit code 0
if all is
well, an
On Sun, 3 May 2020 09:57:46 +0200 (CEST) Michael Van Canneyt
wrote:
On Sun, 3 May 2020, Noel Duffy via fpc-pascal wrote:
The problem is that the StrToHostAddr6 function doesn't set its return
value until the end of the function. If a parse error occurs
mid-function, it zeroes the reco
Using fpc 3.0.4 on Fedora 30.
I've just started using the StrToHostAddr6 function in the sockets unit
to parse IPv6 addresses. I've found a couple of issues with it.
1. Even if address parsing fails, StrToHostAddr6 doesn't return an
all-zero result in the in6_addr return value. The documentat
On 20/04/20 7:41 pm, Karoly Balogh (Charlie/SGR) wrote:
Hi,
On Mon, 20 Apr 2020, Noel Duffy via fpc-pascal wrote:
I have already fixed it, with a simplistic fix, I think. Committed as
SVN r44845.
Great, good to know it's fixed. Not having the SVN repo to hand, I can't
tell how r
On 19/04/20 11:48 pm, Karoly Balogh (Charlie/SGR) wrote:
Hi,
On Sun, 19 Apr 2020, Michael Van Canneyt wrote:
The StrToHostAddr function in the sockets unit accepts negative
octets in the source ip address. Consider this program:
This should indeed be ckecked. Please report this in the
bugtra
Running fpc 3.0.4 on Fedora 30.
The StrToHostAddr function in the sockets unit accepts negative octets
in the source ip address. Consider this program:
program ip4_neg;
{$mode objfpc}{$H+}
uses
sockets;
var
ip4_addr: in_addr;
begin
ip4_addr := StrToHostAddr('172.-16.32.14');
if ip4_ad
On 30/03/20 8:17 pm, Michael Van Canneyt wrote:
On Sun, 29 Mar 2020, Noel Duffy via fpc-pascal wrote:
Running fpc 3.0.4 on Fedora 30.
The ncurses unit is based on version 5.6 of ncurses, according to
constants defined in the source. The upstream ncurses is now at 6.2,
and I wondered if
Running fpc 3.0.4 on Fedora 30.
The ncurses unit is based on version 5.6 of ncurses, according to
constants defined in the source. The upstream ncurses is now at 6.2, and
I wondered if there are plans afoot to upgrade the ncurses unit to
support a more recent ncurses version. Newer releases su
I'm currently looking into ways to write all the objects in my
application to a stream. I don't expect to have more than one or two
hundred objects, so a fully-fledged framework like tiOPF seems like
overkill. I am trying to find out what the RTL offers to solve this kind
of problem.
I came ac
On Sun, 16 Nov 2014 11:06:09 -0300, silvioprog wrote:
> On Sat, Nov 15, 2014 at 5:10 AM, Noel Duffy
> wrote:
>
>
>> I am running fpc 2.6.4 on Debian stable and on Fedora 20, and both
>> display the same behaviour.
>
>
> Compiled like a charm in FPC 2.7.1 fro
I just started investigating the generics classes in fcl-stl for a
program that I'm writing. I haven't written anything using generics in
Free Pascal before, so this is all new to me. I am trying to
specialize THashMap to map both strings to unsigned integers and then
again to map integers back to
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