dev-cpp-users Mailing List for Dev-C++ (Page 2)

TCHAR is either wchar_t or char depending on if you compile for unicode
support or not.

Same with the defined string functions. They translate to a wstrxxx or
strxxx function.

You should have a tchar.h file in your mingw include directory.

/Per W

On Thu, 28 Oct 2004, Yin Ming wrote:

> Hi all.
>
> I was working on gcc environment. For making some plugins and tools in
> my office (WIN2K os), I tried to use Dev-C++ to write them. But, too
> many things beat me.
>
> First is the string, the essential stuff but rather confusable. MS
> define too many typedef, such as TCHAR or LPCSTR, etc. I don't know
> which types and functions I can use in GCC, wchar_t or char? wstrxxx or
> strxxx?
>
> I need a manual about porting MS to gcc, any url or hints?
>
>
>
>
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>

Hi all.

I was working on gcc environment. For making some plugins and tools in
my office (WIN2K os), I tried to use Dev-C++ to write them. But, too
many things beat me.

First is the string, the essential stuff but rather confusable. MS
define too many typedef, such as TCHAR or LPCSTR, etc. I don't know
which types and functions I can use in GCC, wchar_t or char? wstrxxx or
strxxx?

I need a manual about porting MS to gcc, any url or hints?

Hello, 

As we can see the compiler complains about the class
definition in the *.cpp file.

>  \myFolder\myClass.cpp In constructor
> `myClass<Type>::myClass(const Type&)':
> 
> 7 \myFolder\myClass.cpp syntax error before `;'
> token 
> \myFolder\Makefile.win [Build Error]  [myClass.o]
> Error 1 

And, the complaint is about the way you have created a
new myClass object. Firtsly, you have declared a
protected member object of type Type in the class
declaration and not a pointer to an object of type
Type. So I guess the declaration code should be
changed to:

Type* count; // Declare count as a pointer.

Next, even after making such a correction, the way you
should go about initialising this object is:

count = new Type(item);

and not as:

count = new Type item;

Even here, the class of type Type should have a
logically correct copy constructor.

> Lastly, here is my myClass.cpp code:
> _____________________
> #include <iostream>
> #include "myClass.h"
>  
> template<class Type>
> myClass<Type>::myClass(const Type &item) //default
> constructor
> {
>   count = new Type item;
> }

Hope this helps,
Siva Chandra



		
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Hi,
 
Thanks in advance for any help you can offer. 
 
Im trying to use a template class and I keep making mistakes. So now I am
trying to create an isolated case, but its still broke.
Please can anyone help me solve this? Here are the compiler errors that I
get:
 
_______________
 \myFolder\myClass.cpp In constructor `myClass<Type>::myClass(const Type&)':

7 \myFolder\myClass.cpp syntax error before `;' token 
\myFolder\Makefile.win [Build Error]  [myClass.o] Error 1 
_______________
 
Here is my main.cpp code:
_______________
#include <iostream>
#include <stdlib.h>
#include "myClass.h"
 
using namespace std;
 
int main(int argc, char *argv[])
{
  myClass<int> test(5);
  
  system("PAUSE"); 
  return 0;
}
__________________
 
Here is my myClass.h code:
__________________
#include <iostream>
#ifndef H_MYCLASS
#define H_MYCLASS
 
template<class Type>
class myClass
{
public:
    //Default Constructor
    myClass(const Type &item);
protected:        
    Type count;
};            
#endif
_____________________
 
Lastly, here is my myClass.cpp code:
_____________________
#include <iostream>
#include "myClass.h"
 
template<class Type>
myClass<Type>::myClass(const Type &item) //default constructor
{
  count = new Type item;
}
______________________
 
 
 
Best regards,
Dane
 

Hi all,
 
I forgot to add the compiler errors. (Sorry)
 
 
Thanks in advance for any help you can offer.
I am writing a template file. I keep getting errors in my constructor that I
dont know how to fix. Here is my snippet:
 
template <class Type> 
LinkedListType<Type>::LinkedListType(): myFirst(0), myCurrent(0),
myPrevious(0), mySize(0)
{
}
 
Here are the errors that Im getting:
 
10 C:\Documents and Settings\dge\My
Documents\school\CS2\U2-P1\linkedListType.cpp syntax error before `::' token

10 C:\Documents and Settings\dge\My
Documents\school\CS2\U2-P1\linkedListType.cpp ISO C++ forbids declaration of
`LinkedListType'  with no type 
 C:\Documents and Settings\dge\My
Documents\school\CS2\U2-P1\linkedListType.cpp In function `int
LinkedListType()': 
10 C:\Documents and Settings\dge\My
Documents\school\CS2\U2-P1\linkedListType.cpp only constructors take base
initializers 
11 C:\Documents and Settings\dge\My
Documents\school\CS2\U2-P1\linkedListType.cpp confused by earlier errors,
bailing out 
 
This is supposed to be the default constructor.
 
Best regards,
 
Dane

Hi all,
 
Thanks in advance for any help you can offer.
I am writing a template file. I keep getting errors in my constructor that I
dont know how to fix. Here is my snippet:
 
template <class Type> 
LinkedListType<Type>::LinkedListType(): myFirst(0), myCurrent(0),
myPrevious(0), mySize(0)
{
}
 
I don't know how to fix this. Please can someone help?
 
Best regards,
 
Dane

I have tried with your code. It works fine.


On Mon, 25 Oct 2004 23:11:13 -0700, rapee <ra...@ca...> wrote:
> 
> 
> 
> Hi, 
> 
>  
> 
> \a in my program doesn't beep.  Here is my program. Please help.
> 
> #include <iostream>
> 
> #include <stdlib.h>
> 
>  
> 
> int main()
> 
> {
> 
>   int num;
> 
>     
> 
>   printf("enter 2 will beep");
> 
>   scanf("%d", &num);
> 
>   
> 
>   printf("beeping the computer\a\a\a\n");
> 
>                    
> 
>   system("PAUSE");       
> 
>   return 0;
> 
> }
> 
>  
> 
> Thanks in advance.


-- 
Thanks
Z.J.

Hi, 
 
\a in my program doesn't beep.  Here is my program. Please help.
#include <iostream>
#include <stdlib.h>
 
int main()
{
  int num;
    
  printf("enter 2 will beep");
  scanf("%d", &num);
  
  printf("beeping the computer\a\a\a\n");
                   
  system("PAUSE");       
  return 0;
}
 
Thanks in advance.

 --- Luis Bras <lf...@ya...> escreveu: 
> try:
>  
> int main( int argc, char *argv[], char *envp[] )
>  
> the char vector envp[] contains the system
> variables...


This is not a standard solution. Better use getenv().


Daniel K. O.



	
	
		
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Hello All,

I have installed Framework.NET,and when i compile my sources for build 
my "program.exe",why are there a "program.manifest" in the output dir?
Is DEVCPP a .NET IDE like Visual Studio.NET?

Pascal.

try:
 
int main( int argc, char *argv[], char *envp[] )
 
the char vector envp[] contains the system variables...

Noorez Kassam <dar...@ho...> wrote:
how can i access system variables that a batch file would use such as the 
user name or something like ERRORLEVEL in my programs?

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> Look under Project - Project Options. On the dialog which appears look
> at the tab Build Options. There is a location for .o files and
> executable (which I am guessing would also be the location of the
> generated DLL.
>
> Best
> Mal
>

But thats is the problem !

If I do that, Dev-Cpp (dllWrap) Cant find the objects (that goes to
directory thar was especified
in this Tab)

The DLL is only created if I write nothing in this tab :(

Rubens Jr.



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> =A0
> What I have to do to put all ".o" files in a  diferent directory ?
> I tried "C:/obj" and "C:\obj" and the result is the  same !!
> I am using Dev-CPP 4.9.9.0
> =A0
Look under Project - Project Options. On the dialog which appears look
at the tab Build Options. There is a location for .o files and
executable (which I am guessing would also be the location of the
generated DLL.

Best
Mal

Hi !

I download SQLite source from www.sqlite.org and I am trying to build a =
DLL.
If I specify nothing in the "Object file output directory" then all goes =
fine,
and the dll is generate ok,
but all C source and ".o" output files goes to the same directory and =
this is not good.
If a especify another directory to put only the ".o" files then the line =
after
dllwrap command shows:
"Comand or file not found"
and the dll is not generated !

It seems that the Dev-cpp is not finding something ...

What I have to do to put all ".o" files in a diferent directory ?
I tried "C:/obj" and "C:\obj" and the result is the same !!
I am using Dev-CPP 4.9.9.0

Thanks

Rubens Jr.




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Hi Watson,
It works fine with FFTW 2.1.5 version. I will just have to wait for a
FFTW 3.0.1 Dev Pack.

Thanks everyone for the help
Teboho


>>> <wa...@wa...> 22/10/2004 08:48:56 >>>
I have not used the FFTW libraries and I don't have them installed 
and I don't have time right now to download them and write something 
to test them.  But as I said, the FFTW 3.01 files look like they're 
set up for Visual C++.  The hint is in the way the library is named.  
With Dev C++/mingw, the format for the library is 

lib<library name>.a

Take a look at the FFTW 2.1.5 filenames, they follow this convention.

I would not expect the fftw3.lib file to link properly.  It's almost 
definitely in the wrong format. I think you're stuck with using FFTW 
2.1.5 until someone comes out with a FFTW 3.0.1 Dev Pack for Dev 
C++/MinGW... unless you pick up another compiler.

Sorry.

Watson (the pencil neck) Davis

On 22 Oct 2004 at 8:26, Teboho Nyareli wrote:

> Hi Watson,
> FFTW 3.01 ( fftw-3.0.1-w32-pl1 )comes with following files:
>  fftw3.dll
>  fftw3.exp
>  fftw3.h
>  fftw3.lib
>  fftw.map
> I linked fftw3.lib in the project options.
> 
>  When using FFTW 2.1.5, I add the following files to the lib folder:
>  libfftw.a
> libfftw.la
> librfftw.a
> librfftw.la
> 
> There might be something I am missing. Please help.
> 
> regards
> Teboho
> 
> 
> 
> >>> <wa...@wa...> 21/10/2004 19:26:34 >>>
> On 21 Oct 2004 at 16:25, Teboho Nyareli wrote:
> 
> > When using FFTW
> > 3.01 binaries I add the fftw3.lib file via the menu  project->
> object
> > file or linker options in the Dev-C++.
> 
> .lib?  I believe that's your problem.  You should be linking a .a
file
> not a .lib file.
> 
> Watson (the pencil neck) Davis
> 
> 
> 
> 
> 
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Hello!
Thanks to all the answers I have received to my question about =
wxwindows.
Since I have solved the problem I will post here since some ppl asked me =
to tell them if I found a solution.

First of all I am talking about Dev-C++ 5.0 beta 9 (4.9.9.0.
The problems arrised wen I installed the devpak found at
http://bloodshed.net/dev/packages/wxwindows.html

The installation was ok but it seemed I could not compile also a simple =
example.

The solution was to uninstall the wxwindows devpak and reinstall it =
choosing one from
http://devpaks.org/list.php?category=3DGUI

Ok, hope this helps someone!
Andrea

Pass them to the commandline.

On Sun, 24 Oct 2004 22:55:54 -0600, Noorez Kassam
<dar...@ho...> wrote:
> how can i access system variables that a batch file would use such as the
> user name or something like ERRORLEVEL in my programs?
>=20
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how can i access system variables that a batch file would use such as the 
user name or something like ERRORLEVEL in my programs?

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Dnia 2004-10-24 15:02, Użytkownik Andrea Roveretto napisał:
(...)
> I have found in the packages some ment to help in building a guy.
> I have choosen wxwindows (is it a  good choice?). I have installed it but have some problems:
> if I load the heeloworld example I cannot compile it:
(...)

Hi,

I'm new in wxWidgets (wxWindows) under Windows with Dev-C++, but I found
two things which could help You. First is the wx-Devcpp
(wxdsgn.sourceforge.net/). This is "an extension of DevCpp" which "helps
you to create Dialogs for wxWidgets visually". I tested it with some
simple sample and worked fine (I had only few wxWindgets warnings).

Second way are alternative wxWidgets devpaks:
http://devpaks.org/ (see GUI subcategory)
or
http://www.andre-simon.de/doku/wxwidgets/devpak_install.html
(look at compile options to choose which would be better for You).

All solutions use latest devel release (2.5.3).

Hope this helps
Marcin

I have run wxWidgets a lot, and like it. I have never tried any dev-pack.
Always downloaded and built wxWidgets myself. Often having a large number
of wxWidget versions available - both official and my own more or less
patched versions.

When starting to use wxWidgets, most needed options may be immediately
picked up from test builds of the example source available when installing
the wxWidgets sources.

Below is the project settings I use for one project that is using
wxWidgets 2.5.2. The settings is for a debug build. Too bad Dev-C++
doesn't have a good way of switching between debug and release builds. I
either run with two separate projects, or store the options in a text file
and later past in compiler and linker options for either debug or release
build. At one point I wrote a little tool to patch the project file based
on a template file, but it hasn't been updated in a long time and doesn't
work with the latest and greatest version of Dev-C++.

C++ compiler options:
-DNOCBRT
-frtti
-fexceptions
-fno-pcc-struct-return
-D_X86_=1
-DWIN32
-D_WIN32
-DWINVER=0x0400
-D__WIN95__
-D__GNUWIN32__
-D__WIN32__
-DSTRICT
-D__WXMSW__
-save-temps                 <=== definitely not needed
-D__WINDOWS__
-D__WXDEBUG__
-Wall

Linker options:
-mthreads -Wl
--subsystem,windows
-mwindows
-lwxmsw25d_core
-lwxmsw25d_adv
-lwxbase25d
-lwxregexd -lwxjpegd
-lwxpngd -lwxzlibd
-lwxtiffd
-lstdc++
-lgcc -lwinspool -lwinmm
-lshell32 -lcomctl32
-lctl3d32 -lodbc32
-ladvapi32 -lodbc32
-lwsock32 -lopengl32
-lglu32 -lole32 -loleaut32
-luuid

I have the following directory path info:
Library directories:
c:\usr\src\wxWidgets-2.5.2\lib\gcc_lib

Include directories:
c:\usr\src\wxWidgets-2.5.2\include
c:\usr\src\wxWidgets-2.5.2\src\jpeg
c:\usr\src\wxWidgets-2.5.2\src\png
c:\usr\src\wxWidgets-2.5.2\src\zlib
c:\usr\src\wxWidgets-2.5.2\lib\gcc_lib\mswd

Resource directories:
c:\usr\src\wxWidgets-2.5.2\include

/Per W

On Sun, 24 Oct 2004, Scott Simontis wrote:

> wxWindows is a real pain to get working. The dev-pack is old. You need
> to go to www.wxwindows.org and download the latest version, then compile
> it. However, I have nevwe gotten it to work either way. wxWindows is
> supposed to be awesome, but I'm still trying to figure out how to
> install it. Maybe someone else here knows how to install it properly. I
> was getting all sorts of errors, especially redeclerations and so forth.
> --Scott Simontis--
>
> Andrea Roveretto wrote:
> > Hello!
> > Some days ago I have downloaded the last version of bloodshed dev-c++.
> > For some time I used Borland Delphi although I am not a professional
> > programmer, just an hobby.
> > Ok, I had a look in the c++ examples that come with the sw and looacked
> > to he example to costruct a window... ok, I was astonished for two reasons:
> > 1) the final .exe file was really compact if compared to delphi.
> > the second is that I  think I will never lear the meaning of all that
> > code just to build a window :)
> >
> > I have found in the packages some ment to help in building a guy.
> > I have choosen wxwindows (is it a  good choice?). I have installed it
> > but have some problems:
> > if I load the heeloworld example I cannot compile it:
> >
> >
> > 5 D:\Dev-Cpp\include\wx\wx.h:15,               from main.cpp In file
> > included from D:/Dev-Cpp/include/wx/wx.h:15,               from main.cpp
> > 5 D:\Dev-Cpp\main.cpp                  from main.cpp
> > 320 D:\Dev-Cpp\include\wx\defs.h redeclaration of C++ built-in type ` bool'
> >
> > etc...
> > can someone help me to track if there is an installation problem?
> >
> > Thanks alot!
> > Andrea
> >
>
>
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>

wxWindows is a real pain to get working. The dev-pack is old. You need 
to go to www.wxwindows.org and download the latest version, then compile 
it. However, I have nevwe gotten it to work either way. wxWindows is 
supposed to be awesome, but I'm still trying to figure out how to 
install it. Maybe someone else here knows how to install it properly. I 
was getting all sorts of errors, especially redeclerations and so forth.
--Scott Simontis--

Andrea Roveretto wrote:
> Hello!
> Some days ago I have downloaded the last version of bloodshed dev-c++.
> For some time I used Borland Delphi although I am not a professional 
> programmer, just an hobby.
> Ok, I had a look in the c++ examples that come with the sw and looacked 
> to he example to costruct a window... ok, I was astonished for two reasons:
> 1) the final .exe file was really compact if compared to delphi.
> the second is that I  think I will never lear the meaning of all that 
> code just to build a window :)
>  
> I have found in the packages some ment to help in building a guy.
> I have choosen wxwindows (is it a  good choice?). I have installed it 
> but have some problems:
> if I load the heeloworld example I cannot compile it:
>  
>  
> 5 D:\Dev-Cpp\include\wx\wx.h:15,               from main.cpp In file 
> included from D:/Dev-Cpp/include/wx/wx.h:15,               from main.cpp
> 5 D:\Dev-Cpp\main.cpp                  from main.cpp
> 320 D:\Dev-Cpp\include\wx\defs.h redeclaration of C++ built-in type ` bool'
>  
> etc...
> can someone help me to track if there is an installation problem?
>  
> Thanks alot!
> Andrea
>  

Hello!
Some days ago I have downloaded the last version of bloodshed dev-c++.
For some time I used Borland Delphi although I am not a professional =
programmer, just an hobby.
Ok, I had a look in the c++ examples that come with the sw and looacked =
to he example to costruct a window... ok, I was astonished for two =
reasons:
1) the final .exe file was really compact if compared to delphi.
the second is that I  think I will never lear the meaning of all that =
code just to build a window :)

I have found in the packages some ment to help in building a guy.
I have choosen wxwindows (is it a  good choice?). I have installed it =
but have some problems:
if I load the heeloworld example I cannot compile it:


5 D:\Dev-Cpp\include\wx\wx.h:15,               from main.cpp In file =
included from D:/Dev-Cpp/include/wx/wx.h:15,               from main.cpp =

5 D:\Dev-Cpp\main.cpp                  from main.cpp=20
320 D:\Dev-Cpp\include\wx\defs.h redeclaration of C++ built-in type ` =
bool'=20

etc...
can someone help me to track if there is an installation problem?

Thanks alot!
Andrea

I recommend you make sure that Dev-C++ put <vector> in the cache. Go to 
Editor Options->Class Browsing->Completion, and check "Use 
Code-Completion Cache".
--Scott Simontis--

Justin Fan wrote:
> I enabled the code-completion but nothing happened when I input code as follow:
> 
> #include <iostream>
> #include <vector>
> using namespace std;
> 
> int main()
> {
>     vector<int> ivec;
>     int ival;
>     while(cin>>ival)
>         ivec.push_back( ival); // Here I input a dot, but why nothing happened?
> 
> BTW. When I update Dev-Cpp with Web Update, all packages listed. Why
> we don't check the profile or build info from our installation and
> list only uninstalled packages, but list all packages each time
> instead? It's hard to find what I have ever installed and what never.
> 
> Thanks
> Zhenjiang
> 
> 
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There are a couple possible reasons.  Check to to make sure that "scan
global includes" is checked on the code completion section, as I think
by default it isn't.  Unless you created the code completion cache
when you first ran dev-cpp, it may take a bit to parse through the
includes, as <vector> references some files within the \bits sub
directory of the c++ includes.  Also, the code completion has trouble
occasionally when dealing with pointers and casts.


On Fri, 22 Oct 2004 13:50:31 +0800, Justin Fan <jus...@gm...> wrote:
> I enabled the code-completion but nothing happened when I input code as follow:
> 
> #include <iostream>
> #include <vector>
> using namespace std;
> 
> int main()
> {
>     vector<int> ivec;
>     int ival;
>     while(cin>>ival)
>         ivec.push_back( ival); // Here I input a dot, but why nothing happened?
> 
> BTW. When I update Dev-Cpp with Web Update, all packages listed. Why
> we don't check the profile or build info from our installation and
> list only uninstalled packages, but list all packages each time
> instead? It's hard to find what I have ever installed and what never.
> 
> Thanks
> Zhenjiang
> 
> -------------------------------------------------------
> This SF.net email is sponsored by: IT Product Guide on ITManagersJournal
> Use IT products in your business? Tell us what you think of them. Give us
> Your Opinions, Get Free ThinkGeek Gift Certificates! Click to find out more
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>

I have not used the FFTW libraries and I don't have them installed 
and I don't have time right now to download them and write something 
to test them.  But as I said, the FFTW 3.01 files look like they're 
set up for Visual C++.  The hint is in the way the library is named.  
With Dev C++/mingw, the format for the library is 

lib<library name>.a

Take a look at the FFTW 2.1.5 filenames, they follow this convention.

I would not expect the fftw3.lib file to link properly.  It's almost 
definitely in the wrong format. I think you're stuck with using FFTW 
2.1.5 until someone comes out with a FFTW 3.0.1 Dev Pack for Dev 
C++/MinGW... unless you pick up another compiler.

Sorry.

Watson (the pencil neck) Davis

On 22 Oct 2004 at 8:26, Teboho Nyareli wrote:

> Hi Watson,
> FFTW 3.01 ( fftw-3.0.1-w32-pl1 )comes with following files:
>  fftw3.dll
>  fftw3.exp
>  fftw3.h
>  fftw3.lib
>  fftw.map
> I linked fftw3.lib in the project options.
> 
>  When using FFTW 2.1.5, I add the following files to the lib folder:
>  libfftw.a
> libfftw.la
> librfftw.a
> librfftw.la
> 
> There might be something I am missing. Please help.
> 
> regards
> Teboho
> 
> 
> 
> >>> <wa...@wa...> 21/10/2004 19:26:34 >>>
> On 21 Oct 2004 at 16:25, Teboho Nyareli wrote:
> 
> > When using FFTW
> > 3.01 binaries I add the fftw3.lib file via the menu  project->
> object
> > file or linker options in the Dev-C++.
> 
> .lib?  I believe that's your problem.  You should be linking a .a file
> not a .lib file.
> 
> Watson (the pencil neck) Davis
> 
> 
> 
> 
> 
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