Boian Mitov wrote / napísal(a):
Generics can't implement conceptual programming. As example for
conceptual programming you can perform the same algorithm on simple
arrays such as char Array[ 1000 ] as you can on any STL compliant
container. The integrator concept is implemented different way
Boian Mitov wrote / napísal(a):
Sort for example:
It can work with C type array:
int a[7] = {23, 1, 33, -20, 6, 6, 9};
sort(a, a+7);
or it can work with a container such as linked list:
listSomething v1;
sort(v1.begin(), v1.end());
With best regards,
Boian Mitov
Boian Mitov wrote / napísal(a):
And the same code will work both with normal array and with object
implementing iterators ?
I am not sure it will.
How I can call your sort for a linked list container instead on array?
Am I missing something or your code works with arrays only.
The STL sort
Note that I'm not trying to do a who can piss further thing here. Just
saying that IMHO the way C++ does this isn't exactly great.
The idea behind it is nice, however apart from pure OOP approach I don't
see much choice of how to do this nicely.
Ales
It seems that currently, GetAppConfigDir performs rather incosistently.
On Unix, it returns path with trailing pathdelim, on windows it returns
path with random trailing path delim (depends on which branch, see code).
What should it be then?
Considering the importance of this function to
Michael Van Canneyt wrote / napísal(a):
On Tue, 29 Jul 2008, Ales Katona wrote:
It seems that currently, GetAppConfigDir performs rather incosistently.
On Unix, it returns path with trailing pathdelim, on windows it returns path
with random trailing path delim (depends on which branch
I think this is also same in Delphi, but I agree that passing pure
properties (without getter/setter) to var should possibly be reduced to
warning or even hint.
Ales
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Peter Vreman wrote / napísal(a):
You can use:
#ifdef CPU64
-Fu/usr/lib64/fpc/$fpcversion/units/$fpctarget
...
#else
-Fu/usr/lib/fpc/$fpcversion/units/$fpctarget
#endif
Note that this won't work with /usr/local as prefix, because there's
only one lib (by default) there.
Marco van de Voort wrote / napísal(a):
What happens if you have a bunch of 32-bit and 64-bit packages then?
Packages go to /usr/lib not /usr/local/lib, and /usr/lib is either
symlink or the main one (depends on distro if it's 64 or 32 I guess).
/usr/local is completely untouched by all
Joost van der Sluis wrote / napísal(a):
Hi all,
On Fedora 64-bit libraries are installed in /usr/lib64 and 32 bit
libraries are in /usr/lib. The fedora fpc-packages also use these
directories. The fpc.cfg file contains the following:
# 32-bits
-Fu/usr/lib/fpc/$fpcversion/units/$fpctarget
Oh wait sorry other way around /usr/lib64 is a symlink to /usr/lib
on ubuntu, it's inverted to fedora in any case.
Ales
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I've got a goole mail
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Graeme Geldenhuys wrote / napísal(a):
I use getText in my game and I strip anything after 2 chars since I
consider only the 2 char lang codes to be valid. Depends I guess...
Ales
Hi
I'm working on localization for the fpGUI project. My idea is for the
fpGUI toolkit to look for
Paul Ishenin wrote / napísal(a):
And we need:
1. abstraction layer to use gdb or native debugger or any other debugger
2. program interface which can satisfy fpc ide, mse ide, and lazaraus ide
I agree 100% on this, unless gdb people don't accept patches at all I
think this is the way to go.
On st , 2006-11-08 at 07:35 +, Vinzent Hoefler wrote:
On Tuesday 07 November 2006 16:10, Ales Katona wrote:
As for general use, you can't do a Timer this way.
Believe me, I can. :)
You can't just put
a TTimer in which works in it's own thread and then calls some
callback
Jonas currently fpc2.1.1 doesn't compile on 2.1.1 with:
rtl/units/i386-freebsd -di386 -dRELEASE ../unix/cthreads.pp
cthreads.pp(252,42) Error: Incompatible type for arg no. 1: Got
LongInt, expected Pointer
Note:
unixtypes thread_t = pointer
pthreads.inc thread_t (BSD and linux) = cInt {linux is
A cleaner naming of problematic parts:
1. TThreadID is defined stand-alone not as a pthread_t, should be fixed.
2. TThreadHandler (the callback for resume, suspend) has result as DWord
while posix stuff (pthread_kill etc.) usualy return cInt
3. in linux I saw pthreads functions return longint, I
You can call a callback in same thread, but since you can't ensure what
the callback does from your lib you can't make it threadsafe in any
way. Even if you put the callback itself into a criticalsection it
might eg: change some variable which was just in use by the main
thread, and once the
Just define an opaque type TThreadResult:
TThreadResult = DWord // Windows
TThreadResult = cInt // Unices
I don't like this solution for several reasons:
1. What if one OS has more backends for threading available, which
differ in this?
2. How are we going to handle error states on
Whoever first told me about bad input from lNet telnet example, could
you please try again to see if it still persists?
I did some fixes related to input and certain telnet commands recently
which might fix it.
Thanks (sorry I forgot who it was and deleted the mail since then)
Ales
This is how lNet already works, no ? Where's the difference ?
Indeed but it's only there because there's no other way, if I could just
make it magicly work without CallAction I'd love to.
You can't call callbacks in threads (you can but only in one thread, not
between threads), and you can't
Of course, because the common concept of a timer is as asynchronous as
in multi-threaded or even interrupt.
You're not seriously trying to work around that simple fact, do you?
Actualy I am, because lNet is single-threaded non-blocking.
As for general use, you can't do a Timer this
On ut , 2006-11-07 at 18:39 +0100, Jonas Maebe wrote:
Hello,
Does anyone see a problem with the following CSuspendThread/
CResumeThread implementations?
function CSuspendThread (threadHandle : TThreadID) : dword;
begin
result := pthread_kill(threadHandle,SIGSTOP);
There's no visible mutex interface in fpc right now. ATM all
non-windows platforms have semaphores in the ThreadManager but the
windows ones afaik don't.
I think you can simply use CriticalSection instead of mutex to achieve
what you need.
Ales
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- lnet (Ales, will you do this or not, I was actually waiting with my
implementation?)
I mailed you yesterday, I get this error trying to compile fppkg:
Target OS: FreeBSD/ELF for i386
Compiling fprepos.pp
Fatal: Can't find unit streamcoll
Seems it's either not installed with fcl or there's
On so , 2006-11-04 at 18:17 +0100, Marco van de Voort wrote:
streamcoll
My make all install on freebsd of this morning installed a unit
streamcoll, so probably already fixed.
I confirm, latest 2.1.1 works.
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Ok I tested it and I got an odd bug.
When I writeln the buffer contents before writing them to the Dest
stream, they are ok. But the resulting file is a garbage of xterm crap
(mostly symbols) with exactly same size as the thing I downloaded
(completly different data).
I've no idea where to look,
Oh DOH thanks, it was the pointer stuff. Sometimes I wished fpc warned
if you pass a pointer to untyped var.
In any case pkglnet.pas is in now, I tested with the example and it
worked. Only HTTP yet, but I'll do FTP ASAP.
Ales
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Wanted to ask, how should I process the URL?
Should I also understand : as separator for port eg:
http://www.shit.com:3030 ?
Shouldn't this be parsed by some common function? Eg:
procedure ParseURL(var Host, URI: string; var Port: string);
This way we can save the hassle for all the backends
.
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but am open to suggestion.
Btw, do you plan to add support for concurrent downloads and compiling
while downloading later?
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I've implemented the semaphores stuff (with a big bad bug, btw thanks
Jonas for fixing).
Right now I'm thinking about how to go next.
The choices I see right now are:
1. Basicly just clean the current pthreads implementation, make sure
types are not redefined in baseunix/unixtypes and pthreads
On po , 2006-10-16 at 22:21 +0200, Daniël Mantione wrote:
Op Mon, 16 Oct 2006, schreef Ales Katona:
Write your ideas on the subject please.
Short answer: Kick pthreads and use kernel threads.
That's a nice idea but there are a few problems.
Kernel threads for example in freeBSD require
I've had the honor of looking at current TThread/pthreads/cthreads
implementation in unix (FreeBSD to be precise) and found it extremely
bad.
Not to criticize, I'm here to ask for permission/toughts on adding a few
standard methods to TThreadManager.
I would like to add semaphore functions to
I'm currently about to fix certain issues with old sockets functions.
I'm talking about Accept and Connect functions with Text parameters.
These are currently only present in win32 sockets and are basicly a
leftover from an old idea gone wrong.
I want to remove them but if someone feels that
Having same function names as parameter names per se isn't a biggy but
the biggest problem is:
TFirst = class
protected
FFirst: Integer;
public
property First: Integer read FFirst write FFirst;
end;
TTest = class(TFirst)
FSomething: Integer;
public
procedure DoWithFirst(a, First:
Ales, there is _no_ confusion here.
Oh believe me there is. Especialy if you're writing just some little
overriden method in a class which doesn't even have property visible
anymore. You don't think about it and bang, error and a very neatly
hidden one at that.
It's not that I don't know what
Here's the better example:
TTest = class
protected
FField: Integer;
public
procedure Helper(Field: Integer);
property Field: Integer read FField write FField;
end;
{ TTest }
procedure TTest.Helper(Field: Integer);
begin
with Self do
Field:=Field;
On ut , 2006-05-09 at 09:35 +0200, Mattias Gaertner wrote:
I heard that the gtk1 libs under FreeBSD are libglib-12.so, libgdk-12.so and
libgtk-12.so.
But at the moment the linklib directive for FreeBSD defines
{$ifdef FreeBSD}
gtkdll='gtk12';
{$linklib gtk12}
without the
Alexander Todorov wrote:
Hello,
I have an application that uses TCP sockets nut it is going to be
changed with UNIX sockets.
Can you point me to some easy and clean approach how to emulate UNIX
sockets for Windows.
The only thing I can think of is using named pipes and encapsulate the
Daniël Mantione wrote:
I don't like to do the abstraction at the syscall level, but one level
higher, i.e. the Tstream implementation. The reason is that the operating
system abstraction happens at this level:
- OS abstraction wis present here.
- Emulating missing system calls is often much
Michael Van Canneyt wrote:
How does this make it a reason ?
libfprtl will always be specific to the distribution it was compiled on.
If tuned, it should be tuned to that system.
Just like libc or any library close to the system is. Don't try to copy
a binary libc.so from a SuSE to a Fedora
Daniël Mantione wrote:
You can safely use the new select; it is at least present since Linux 2.2
and more likely 2.0.
Daniël
Hmm I'll update the RTL then. Thanks
Ales
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First: only Linux has the main problem. BSD never renumbers ABI calls, newer
abi calls have a different prototype.
No even BSD adds new stuff from time to time, like kqueue, altho that's
older.
As long as only syscall nrs change. This rarely happens. Usually something
gets 64-bit, or has
This is manifestly wrong:
Sure, there are new syscall numbers in linux, but the old numbers
still work as they always have. Proof:
The current set of numbers already works since 10 years.
I'm not saying you'll have the latest features with the old numbers,
but that is irrelevant.
Windows
Tomas Hajny wrote:
That's the main point, I guess. As it is now, we have to decide and either
sacrifice the new features, or compatibility with slightly older
platforms. My understanding is that the proposal of Ales was related to
exactly this situation.
If I understand it correctly, his
Paul Davidson wrote:
If there compelling reason why type definitions cannot be included in
class/object definitions?
Make it mode FPC to keep folks happy :)
Quite often a type is defined in INTERFACE part, but only used within
class/object defined in same unit.
1) This means that type is
Looks like a pretty cool widgetset for lazarus to me...
Hi,
would the FPC team mind if we'd use the FPC Wiki to
document the use of the MSEGui library and the Ide ?
It is completely written in pascal, voiding the need
to endlessly update bindings to gtk/qt etc :-)
kind regards,
Den Jean
This patch makes samplecfg use $fpcversion instead of hard versioning.
Ales
P.S: it works even with primitive /bin/sh on bsd so I guess nothing was
broken
Index: compiler/utils/samplecfg
===
--- compiler/utils/samplecfg (revision
Try 2...
---BeginMessage---
This is an update kqueue and a sendfile support for freeBSD with example.
Kqueue will run on all BSDs (I've added other syscall_nrs for it) but
sendfile is specific to FreeBSD.
Ales
kqueue_sendfile.tar.gz
Description: application/gzip
---End Message---
I was wondering if I could put lNet library (for those who don't know,
go to http://members.chello.sk/ales ) into packages.
What do you think?
Ales
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I'll be honest to say that I don't care much if it's in FCL or
Packages/Bare or Extra but the fp is not going to happen.
Names are already done and they are used, I can't rename the API.
Ales
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These files add kqueue to the FreeBSD rtl. the new FreeBSD.pas file
will need to be put in rtl/freebsd dir. I think the kqueue.inc files
should be in common BSD dir as 3 out of 4 major bsds (darwin being one)
now support it. demo-kqueue1.pas is a simple process watching example.
Ales
P.S:
peter green wrote:
if 3 out of the 4 major bsds support it shouldn't it be in a generic bsd
unit?
It should be split into include which belong to BSD and specific OS
units which belong to specific OS dirs which use those includes.
Ales
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It will force users into {$ifdefs} anyhow because older versions
(especialy macosX where it's only since 10.3) won't work with it.
Ales
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Stefan Kisdaroczi wrote:
Hi,
im trying to use sockets in a unit which should work on linux and win32.
I use the sockets unit, but for things like SOL_SOCKET, TTimeval (for
setsockopt), SO_RCVTIMEO, fpgeterrno
I finally had to use unix,unixtype,baseunix. This on Linux.
Now I try to compile
Marco van de Voort wrote:
SocketError should be a threadvar, I think
Socketerror is legacy. Use fpgeterrno (or errno) to get the error.
1.0.x had no threadsupport
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I propose to make SocketError a function with hidden OS specific get-ers.
This will make it threadsafe and cross-platform.
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Ok a bit strange topic..
this is the latest gratest version.
The archive contains rtl subdir with added .inc files for platforms
I'm sure of and the diff to change errors.pp.
Someone who has access to other platforms will have to fill in their
.inc files.
Ales
errors.tar.gz
Description:
type'); { EMEDIUMTYPE }
+{$i errors.inc} // BSD or Linux ones
Function StrError(err:longint):string;
Procedure PError(const s:string; Errno : longint);
{
This file is part of the Free Pascal run time library.
Copyright (c) 2005 by Ales Katona
Contains BSD
This isn't exactly a patch but a changed errors.pp file.
It's for all BSDs (AFAIK, it seems even darwin has errors this way) so
someone from rtl maintainers needs to decide how to split errors.pp (the
current one in rtl/unix is Linux specific)
Ales
{
This file is part of the Free Pascal
Marco van de Voort wrote:
(small post note in this discussion:
a customer complained that his app was a lot slower (till 3 times) with
D2006/FastMM.
I'm still investigating, and it seems that somehow FastMM must more often
copy when reallocating than the old MM for large blocks (big as in
the
Don't forget to tell PGD.
Why is OSNews and /. out ?
Ales
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Reading FPC and Lazarus mailing lists, and I don't see such problems.
And I understood the FAQ, even though IANAL. There's a text
Read again. Lazarus list had a very long discussion about LCL and LGPLv2
It is therefore possible to create closed source or proprietary
software using Free
So I fully agree to Ales that the FPC homepage needs a wow style.
Despite I do like clear, simple homepages I don't think that this gives
us good PR. Without offending Michael and others for their effort
creating and maintaining the website, I think these pages induce the
impression that FPC is
I think the simplest and perhaps most important change to get better PR
for both Lazarus and FPC is the web page. It needs to be more wow
style. News have to be a bit propagandistic. A FAQ is IMHO required with
first questions like:
1. Is Free Pascal/Lazarus really free?
2. Can I use Free
Michalis Kamburelis wrote:
Ales Katona wrote:
1. Is Free Pascal/Lazarus really free?
The freeness of FreePascal is already advertised in a lot of places,
including the very name FreePascal. Current FAQ mentions (more than
once) that the compiler is GPLed. I don't think there's any need
[EMAIL PROTECTED] wrote:
You stated that we could know already what the delphi-syntax will be,
if they add generics over two years.
But we can't, since we don't know what 'pascal-styled' way they will
choose.
I would say that a pascal-way is adding the 'interface' keyword. Like in
array's
Thomas Schatzl wrote:
From: Ales Katona [EMAIL PROTECTED]
What about simply disabling such -Ct compiler switch (with nice error
message) under Windows ? Or maybe it should do nothing under
Windows ?
I have no idea how -Ct works. It seems there are also report(by Pavel
to be more precise
What about simply disabling such -Ct compiler switch (with nice error
message) under Windows ? Or maybe it should do nothing under Windows ?
Regards
Boguslaw Brandys
I have no idea how -Ct works. It seems there are also report(by Pavel to
be more precise) that -Ct causes problems with
Florian Klaempfl wrote:
Aplied, also for wince and netware.
Sorry, it seems I broke Unix and all non-stdcall-using platforms. This
patch fixes that(apply after the first one) but it only {ifdefs}
windows, not netware or others, so please add those as necessery.
Ales
Index:
Please remove ALL of my win32 thread patches(not the stacksize ones
tho). Thanks to neli, I now know that ThreadFunc is not called directly
by the OS, but my ThreadMain which already IS stdcall. My bug with
threads was actualy cause by a -Ct (check stack) switch which in win32
always causes a
Micha Nelissen wrote:
Marc Weustink wrote:
BTW,
what woud be the problem with
type
TMySpecificClass = TGenericClass(TObject, Integer);
Or:
code
type
TGenericCollection = generic(T: TCollectionItem) class(TComponent)
...implement TCollection and use T
end;
TCollection =
Example:
procedure MyProc(T); // generic procedure without parameters
ver i: T;
begin
...
end;
procedure MyProc(T: TClass); // non generic procedure
begin
end;
Call
MyProc(TObject);
What will happen?
Mattias
Sky will reign fire:
procedure (var T);
begin
// generic or not??
end;
I forgot to mention it's against 2.0.1
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Hello, I'd like to ask why Sleep() function in unix world uses Select()
instead of fpNanoSleep()? Is there a particular reason? After a somewhat
riggid discussion on the channel yesterday I came up testing threading
using sleep() and nanosleep(). The difference in speed is huge. I'm
prepared
Apply after the 1st one. This patch fixes crypto function in libc unit.
Ales
Index: crypth.inc
===
--- crypth.inc (revision 1156)
+++ crypth.inc (working copy)
@@ -1,9 +1,9 @@
{ defined earlier in unistdh.inc...
-function
Ales Katona wrote:
Apply after the 1st one. This patch fixes crypto function in libc unit.
Ales
Index: crypth.inc
===
--- crypth.inc (revision 1156
Sorry I looked at the wrong unix part (it was in ifdef cpu64) so I used
int64 in windows. This patch (apply after the 1st one) changes ssize_t
to cint32 as it should be on 32bit systems.
Sorry again,
Ales
Index: sockets.pp
===
There is an ugly type bug in win32 sockets.pp.
This patch fixes it.
ssize_t = cuint16 -- this caused a bug with fprecv/fprecvfrom and
fpsend/fpsendto calls because winsock.recv[from]/winsock.send[to] calls
return a longint while fprecv used an unsigned int as return value.
This caused the
This patch adds TFPObjectList to contnrs.
It's a descendent of TFPList and uses same tricks to gain speed.(inline
etc.)
I've tested with bubblesort and it was 1/3 faster.
P.S: I wanted to get rid of inherited calls too but FCount is private in
TFPList ;(
Ales
Index: fcl/inc/contnrs.pp
This patch (ment for 2.1.1) cleans some of my old unnecessery mess but
more importantly adds the GetLanguageIDs() method. This way, you can see
what language was/will be autodetected. Good for those special holiday
occasions. Works on win32 as well as POSIX.
Ales
P.S: sorry, I didn't think
Florian Klaempfl wrote:
Ales Katona wrote:
Ok this patch does the following:
Removes the writeln() in case the library fails to load.
If the whole library is not found, it throws an exception which tell the
library name. If any method within the library is not found it throws an
exception
I've noticed that openGL libraies are loaded in the initialization
section and if the loading fails it writelns something and halts.
I think this is innapropriate. I've made some changes but first I want
to know your opinion.
Do you think it's better to let the user load the library(via some
Ok so here's the patch. If you feel some things should change, tell me
about it.
This patch adds TryLoadGL[u[t]] and GL[u[t]]IsLoaded methods and
also fixes the crash on win32 if opengl is not present. (but it will
still crash later, if the user doesn't check)
Ales
Index:
Your fpc.cfg file is ether not existing, in the wrong place or wrongly
configured. I don't know where it should be on MacOSX but if you find it
fix the -Fu entries so they point to right locations(note: $fpcversion
etc. are variables, leave them as they are: for example in here:
Micha Nelissen wrote:
On Wed, 15 Jun 2005 08:29:54 +0200
Ales Katona [EMAIL PROTECTED] wrote:
Your fpc.cfg file is ether not existing, in the wrong place or wrongly
configured. I don't know where it should be on MacOSX but if you find it
It's not so simple, I think, because
This patch makes GetText/TranslateResourceStrings(FileName) work in
win32. (it didn't detect the right language under win32 before it worked
only in POSIX enviroments)
GetLanguageIDs is used with permission from Vincent(it's his code in
lazarus)
Ales
Index: fcl/inc/gettext.pp
Jamie McCracken wrote:
Marc Weustink wrote:
What is easier to read is a matter of taste.
Being a pascal devel for years now, it takes time to decode a a := b
:= c := d := 0 line. There might be a ; inbeween which results in a
complete different assignment. With such lines I've to read
Marco van de Voort wrote:
Also, I simply don't see the use of it. Borland Pascal's have the forward
directive for those really few cases where it is annoying.
Also, forward declarations mostly mean shitty code / design.
Atleast in my case it does.
Gerhard Scholz wrote:
var
x : type1, y : type2 ;
x *:= y ;
in my humble opinion(IMHO):
:= is based on the fact that A: is written normaly in math etc. where it
means this is a fact about A
So when someone writes A:=5; it means it's a fact that A
Vinzent Hoefler wrote / napísal (a):
On Sunday 17 April 2005 10:45, Ales Katona wrote:
First of all Integer should be size independent, that is, xy bits
depending on the platform.
I second that.
Second, we should force people in a friendly way to use more
readible names like:
sint32
Jonas Maebe wrote / napísal (a):
On 17 Apr 2005, at 09:38, Yury B. wrote:
for 32-bit x86... or does 64-bit platform also uses 32-bit integers
as default, so that longint would be good?
JM It would break a lot of existing code if we did that. You can
perfectly
JM define integer to be
DrDiettrich wrote / napísal (a):
Ales Katona wrote:
C++ requires friend only because it lacks the idea of modularity.
Since all classes are apart they need some way to tell each other I
can use you
In pascal you simply put them into 1 unit.
That's why the C++ model is better, there exists
Michael Van Canneyt wrote / napísal (a):
On Wed, 16 Mar 2005, DrDiettrich wrote:
Michael Van Canneyt wrote:
type TFriendClass = class(TNotMyClass);
This is a simple descendent.
Yes and no. The only purpose of this declaration is to get access to the
protected members of the class, not to
Jeff Pohlmeyer wrote / napísal (a):
This is not a big issue, anyway could we avoid the endless list
of such similar hints compiling Lazarus and our program?
I frequently find a similar annoyance with c library callbacks.
For instance, most gtk functions have a user_data parameter that
is
Jan Ruzicka wrote / napísal (a):
Enough guys
each camp can make distinct implementation.
Use this forum to discuss an interface.
Let the results speak for themselves.
Lets discuss test code.
Lets discuss benchmark code.
Instead of discussing bunch of what-ifs
let's see how the implementation
Reading certain JPEGs results in a JPEG error.
One such is http://members.chello.sk/ales/title.jpg
Just try to convert it to a PNG by imgconv(also present in fpc/fcl/image)
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Try this program with a corrupted xml file(just delte part of a tag or
something)
Compile with -ghl and you'll get a few bytes leaked.
program xmltest;
{$mode objfpc}{$H+}
uses
SysUtils, XMLCfg;
function LoadXML(var axml: TXmlConfig; const filename: string): boolean;
begin
writeln('Loading');
Jonas Maebe wrote:
On 4 jan 2005, at 15:27, peter green wrote:
lazarus is essentially what completes the cloning of delphi by
freepascal.
I prefer to think that we're much more than just a clone of Delphi :)
In fact, I've never even used Delphi in my entire life (nor really
used Lazarus, for
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