dev-cpp-users — Dev-C++ users discussion list

Re: [Dev-C++] While clicking on "&File" menu, it lasts more and more

[Elias P. <eli...@ao...>]

> There is a memorly leak somewhere in the program.  After
> using it for some time, I get a message box that reads "Out
> of Memory" and all I can do is Ctrl+Alt+Del and kill the
> program.  That could be why yours bogs down like that.

You could also try to clear the files history. ( But it won't help
against the memory leak. Hopefully the next version of Dev-C++ will
fix that. )

Elias Pschernig

RE: [Dev-C++] While clicking on "&File" menu, it lasts more and m ore

[Schedler, K. <Kur...@hi...>]

There is a memorly leak somewhere in the program.  After using it for =
some
time, I get a message box that reads "Out of Memory" and all I can do =
is
Ctrl+Alt+Del and kill the program.  That could be why yours bogs down =
like
that.

-----Original Message-----
From: Albert Vilella Bertran [mailto:vil...@ya...]
Sent: Friday, April 20, 2001 5:34 AM
To: dev...@li...
Subject: [Dev-C++] While clicking on "&File" menu, it lasts more and
more


Hi,
I don't know if anybody else has experienced this problem, but after =
some
time using DevC++ 4.01, when I click to "&File" to access the file =
options,
I have to wait for some seconds until the menu is displayed.=20
When I write this, I have timed 25 seconds !!!.

Does anybody know anything about this problem?

thanks


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RE: [Dev-C++] compileresults

[Schedler, K. <Kur...@hi...>]

It means your function is expecting a pointer to a character (char *) and
you are sending it a character (char).  A char* holds the address of a
character.  What you need to do is call your function like this:
result(&mychar, myint).  The '&' means 'address of'.  Either that or change
the definition of your function to take a char instead of a char*.
"Casting" is forcing a variable of one type to be considered another type.
For example, if you had an integer pointer (int*) variable, ptr, you could
force it to be seen as a character pointer (char*) by 'casting' it like
this:  (char *)ptr.  Since you were passing a variable to a function that
was expecting a different type, the compiler assumed that you had forgotten
to cast your variable explicitly to the expected type.
 
-----Original Message-----
From: Ruth Aviton [mailto:av...@01...]
Sent: Friday, April 20, 2001 9:02 AM
To: dev...@li...
Subject: [Dev-C++] compileresults



 
hi everybody,
I am just a beginner in programming and I have two questions: 
1. When I compile a small, simple program i get a compile message as
follows. I have no idea what it means and have no idea where to start
looking!   passing `char' to argument 1 of `result(char *, int)' lacks a
cast This happens when i try to call a function.
2. Is there any place where i can get a explanation on what the compiler
results mean ? 
Thank you!
Ruth

 
 

			
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virus, worm, Trojan horse, and/or malicious code when sent.  This message
and its attachments could have been infected during transmission.  By
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responsibility for taking protective and remedial action about viruses and
other defects.  The sender's employer is not liable for any loss or damage
arising in any way from this message or its attachments."

[Dev-C++] compileresults

[Ruth A. <av...@01...>]

hi everybody,
I am just a beginner in programming and I have two questions:=20
1. When I compile a small, simple program i get a compile message as foll=
ows. I have no idea what it means and have no idea where to start looking=
!   passing `char' to argument 1 of `result(char *, int)' lacks a cast Th=
is happens when i try to call a function.
2. Is there any place where i can get a explanation on what the compiler =
results mean ?=20
Thank you!
Ruth

[Dev-C++] While clicking on "&File" menu, it lasts more and more

[<vil...@ya...>]

Hi,
I don't know if anybody else has experienced this problem, but after some
time using DevC++ 4.01, when I click to "&File" to access the file options,
I have to wait for some seconds until the menu is displayed. 
When I write this, I have timed 25 seconds !!!.

Does anybody know anything about this problem?

thanks


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[Dev-C++] Storage Allocation Hooks. How to mcheck

[<vil...@ya...>]

Hi,
I have been looking at The GNU C Library Help, and trying to compile
with "-lmcheck" as is explained in "Heap Consistency Checking":

" ... The easiest way to arrange to call mcheck early enough is to use the
option -lmcheck when you link your program; then you don't need to modify your
program source at all. ..."

I don't succeed, because I don't have several files in a project, I only have
one file to compile and I put "-lmcheck" in "Add the following commands when
calling compiler" in the Compiler Options,

I dunno how to do it.

Thanks in advance


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RE: [Dev-C++] GCC_EXEC_PREFIX

[<bis...@bt...>]

Hi

On further investigation, If I set GCC_EXEC_PREFIX correctly and add a '\'
at teh end of the path, this error goes away, only to appear when the
'-B<GCC Path>' is used. This seems to be an OK workaround; unfortunately,
there does not seem to be a way to remove this without manually editing the
Makefile. Can anyone suggest an alternative ?
Rgds.
Biswa.

> -----Original Message-----
> From: bis...@bt...
> [mailto:bis...@bt...]
> Sent: 20 April 2001 12:03
> To: dev...@li...
> Cc: web...@bl...
> Subject: [Dev-C++] GCC_EXEC_PREFIX
> 
> 
> Hi all
> 
> I've been trying to use Dev-C++ with the latest MingW 
> snapshot but have been
> running into problems. The error comes from the pre-processor; namely:
> 
> cpp: unrecognized option `-remap'
> 
> Doing some tests, this only occurs when the variable 
> GCC_EXEC_PREFIX is set.
> I undet the variable and ran make from the command line, and 
> everything went
> fine. However, when I run it from Dev-C++, the same error 
> occurs again,
> which has led me to believe that Dev-C++ automatically sets 
> the variable.
> Since this si not a registry entry, I'm inclined to think that this is
> hard-coded into the executable. Can the Dev-C++ developers 
> shed some light
> into this, or suggest a workaround ?
> 
> Regards.
> Biswa.
> 
> _______________________________________________
> Dev-cpp-users mailing list
> Dev...@li...
> http://lists.sourceforge.net/lists/listinfo/dev-cpp-users
> 

[Dev-C++] GCC_EXEC_PREFIX

[<bis...@bt...>]

Hi all

I've been trying to use Dev-C++ with the latest MingW snapshot but have been
running into problems. The error comes from the pre-processor; namely:

cpp: unrecognized option `-remap'

Doing some tests, this only occurs when the variable GCC_EXEC_PREFIX is set.
I undet the variable and ran make from the command line, and everything went
fine. However, when I run it from Dev-C++, the same error occurs again,
which has led me to believe that Dev-C++ automatically sets the variable.
Since this si not a registry entry, I'm inclined to think that this is
hard-coded into the executable. Can the Dev-C++ developers shed some light
into this, or suggest a workaround ?

Regards.
Biswa.

Re: [Dev-C++] Number backwards?

[Purohit P. J.. <pra...@si...>]

Hello,
    To use a number backward first you need to separare the digits of =
the no.

   To do this say you have nNo=3D5234
   To separate thousands digit ie  5   thousnad_digit =3D nNo/1000;
   To get the hundred digit ie 2          hunreds_digit =3D =
(nNo%1000)/100;
          (  In above nNo%1000 will give 234  and then 234/100 will give =
2 )
   To get tens digit ie 3                     tens_digit =3D =
(nNo%100)/10;
          ( In above nNo%100 will give 34 and then 34/10 will give 3 )
   To get the units digit ie 4                 unit_digit =3D (nNo%10);
          ( In Above nNo%10 Will give 4 )

                 % is Called MODULUS OPERATOR and it give remainder of a =
division.

   Now you have separated all the digits of original no now to revert =
the no. simply change the units digit to thousands digit,
tens digit to hundreds digit, hundreds digit to tens digit, thousands =
digit to unit digit.  The nos get reversed.
=20
      RevNo =3D  unit_digit*1000 + tens_digit*100 + hundreds_digit*10 + =
thousand_digit ;
=20
        (  This above expression is equal to   RevNo =3D 4*1000 + 3*100 =
+ 2*10 + 5 ;   therefore RevNo=3D4325 )

Haha we reversed the no.

Bye.,

Prahlad Purohit




----- Original Message -----=20
From: "Lorenzo" <co...@in...>
To: <dev...@li...>
Sent: Thursday, April 19, 2001 5:21 PM
Subject: Re: [Dev-C++] Number backwards?


>=20
>=20
> > How do I do if I want to use a number backwards?
> > For example: If I give the variable 'n' the number 12345
> > and want to use it as 54321.
>=20
> WHY?
> Though you can convert int to string with itoa and use the strrev to =
invert
> order of character and convert string to int with atoi.
>=20
>=20
>=20
> _______________________________________________
> Dev-cpp-users mailing list
> Dev...@li...
> http://lists.sourceforge.net/lists/listinfo/dev-cpp-users

Re: [Dev-C++] Hola Gurus, necesito insertar un gif o mng animado a una ventana de Dialogo?

[<jos...@ya...>]

Daniel:

En esta dirección 

http://www.programmersheaven.com/search/Download.asp?FileID=486

puedes descargar el archivo bitmap.zip. Es gratuito y viene con todo el
código fuente. 

Los formatos de archivo con los que trabaja son bmp, ico, pcx y gif.

Respecto a mng no tengo ni idea. Sólo conozco el formato png.

Espero que la información te haya servido de ayuda.

Un saludo.

Chemanuel

--- "Daniel_Peñaloza_Egas" <dpe...@ta...> escribió: > 
> 
> Hola Gurus!!!
>      Necesito ingresar un gif animado o en su defecto un grafico mng
> en una
> ventana de dialogo, y no se como hacerlo, si tienen alguna idea oir
> favor
> necesito su ayuda.
>                               Daniel Peñaloza
> 
> 
> 
> _______________________________________________
> Dev-cpp-users mailing list
> Dev...@li...
> http://lists.sourceforge.net/lists/listinfo/dev-cpp-users


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Re: [Dev-C++] Direct3D...OpenGL?

[Yeoh H. <ye...@ya...>]

Hi,

I do recall that there is a web site that contains 32 tutorial lessons (plus
sample code) on OpenGL programming using C++.
Do a search for Jeff Molofee's OpenGL Windows Tutorial.
The site URL is nehe.gamedev.net

Yeoh
----- Original Message -----
From: Max - V13 <ma...@va...>
To: <dev...@li...>
Sent: Friday, April 20, 2001 1:22 PM
Subject: Re: [Dev-C++] Direct3D...OpenGL?


> > Hey Everyone,
> > I really don't know what's easier or what's possible with C++,
> > though I've seen people post links to a few sites that had some pretty
> > nice tutorials (that I quickly took a look at).
> >
> > If anyone could post a few of those links, I'd appreciate it
> > very much.  As well, if anyone could give any advice on what's easier
> > and such, or how I should start going about this, I'd appreciate that
> > very much as well.  Thank you for any of your help. =D
> >
> > Jay Silverman
>
<snipped>



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[Dev-C++] Hola Gurus, necesito insertar un gif o mng animado a una ventana de Dialogo?

[<dpe...@ta...>]

Hola Gurus!!!
     Necesito ingresar un gif animado o en su defecto un grafico mng en=
 una
ventana de dialogo, y no se como hacerlo, si tienen alguna idea oir fav=
or
necesito su ayuda.
                              Daniel Pe=F1aloza
=

RE: [Dev-C++] Again with: gets,fgets,getline

[<Dou...@ao...>]

getline is a C++ function defined for the string class.  You will need to include <string>.

Re: [Dev-C++] Direct3D...OpenGL?

[Max - V. <ma...@va...>]

> Hey Everyone,
> I really don't know what's easier or what's possible with C++,
> though I've seen people post links to a few sites that had some pretty
> nice tutorials (that I quickly took a look at).
>
> If anyone could post a few of those links, I'd appreciate it
> very much.  As well, if anyone could give any advice on what's easier
> and such, or how I should start going about this, I'd appreciate that
> very much as well.  Thank you for any of your help. =D
>
> Jay Silverman

Well, I'll recommend you my own site:
www.vault13.cjb.net
You can find 6 tutorials on OpenGL, which will guide you from total
beginning of 3d graphics to some more advanced stuff. However, those
tutorials still provide only some basic functionality of OpenGL(which is at
my opinion much much easier to learn and use than D3D), but from the other
part of the message it seems to me that this would be enough for you. And,
feel free to ask me any additional questions or anything. I'd be glad to
answer.
Also, the cjb server is often offline, so if the above adress doesn't work
you can try:
www.inet.hr/~rutomic/index.php3
And my e-mail is: ma...@va...

Good luck!
Max

[Dev-C++] Direct3D...OpenGL?

[Jay S. <mys...@op...>]

Hey Everyone,

	As my final for a course in school I want to use some type of 3D
graphics (D3D?  OpenGL?) to just really do anything, maybe make and move
a few 3D shapes and the such, or as much as I can learn.

	I really don't know what's easier or what's possible with C++,
though I've seen people post links to a few sites that had some pretty
nice tutorials (that I quickly took a look at).  

	If anyone could post a few of those links, I'd appreciate it
very much.  As well, if anyone could give any advice on what's easier
and such, or how I should start going about this, I'd appreciate that
very much as well.  Thank you for any of your help. =D

Jay Silverman

Re: Re: [Dev-C++] Number backwards?

[Jesper E. <hag...@ho...>]

Its because I'm working on a program that find a 
palindromnumber and to do that I need to have this function.

Thats why

/Thanks for the help

> > My function is much more effective than the above way.
> 
> You are right!! congratulations i have answered this 
because i don't know
> how Jesper Ekberg wants to use this function.
> And i ask again:
> Jesper Ekberg why? :-)
> 
> 
> 
> _______________________________________________
> Dev-cpp-users mailing list
> Dev...@li...
> http://lists.sourceforge.net/lists/listinfo/dev-cpp-users
> 

Re: [Dev-C++] Number backwards?

[Lorenzo <co...@in...>]

> My function is much more effective than the above way.

You are right!! congratulations i have answered this because i don't know
how Jesper Ekberg wants to use this function.
And i ask again:
Jesper Ekberg why? :-)

Re: [Dev-C++] Number backwards?

[Bolek V. <vr...@pa...>]

BTW, you can modify my function to revert the number in any base:

unsigned backwards( unsigned n, unsigned base) throw( invalid_argument)
// Reverse order of digits of n in base base
{
  if (base < 2) throw invalid_argument( "Base must be > 1");

  unsigned result = 0;

  while (n > 0) {
    result = base*result + n % base;
    n = n / base;
  }
  return result;
}

Works for any base > 2, even for 312, for example.

However, it has a disadvantage to converting via string. If you have a
number like 12345000 and want 00054321, you get just 54321 - unless you
set the output field width properly which requires further algorithm.

-- 
============================================================
                           Ing. Boleslav Vrany
                           Stanice techniku DDM hl. m. Prahy
                           Pod Juliskou 2a
                           Praha 6 - Dejvice
                           16000
                           Czech Republic

                           tel. (420 2) 243 10 240

Re: [Dev-C++] Number backwards?

[Bolek V. <vr...@pa...>]

> > How do I do if I want to use a number backwards?
> > For example: If I give the variable 'n' the number 12345
> > and want to use it as 54321.
> 
> WHY?
> Though you can convert int to string with itoa and use the strrev to invert
> order of character and convert string to int with atoi.

My function is much more effective than the above way. It doesn't need
auxiliary arrays and works in a very straightforward way. The only thing
you must take care of is that if you want to use it for signed numbers
then:
a) I am not sure about behaviour of the % operator for negative numbers.
b) abs(minimum int, long, ...) might be > maximum int, long, ... => you
cannot simply check the sign and convert -number

Moreover - itoa is not a part of C/C++ standard.
-- 
============================================================
                           Ing. Boleslav Vrany
                           Stanice techniku DDM hl. m. Prahy
                           Pod Juliskou 2a
                           Praha 6 - Dejvice
                           16000
                           Czech Republic

                           tel. (420 2) 243 10 240

RE: [Dev-C++] gets,fgets,getline

[Ioannis V. <no...@ya...>]

gets() must be provided with a pointer to allocated space either a static
array or a dynamic allocated "array" on the free store (malloced, e.t.c.).
If the characters read by gets() are more than the space allocated you ge=
t
into problems. If you want to guarantee that the length of the string is =
not
more than the allocated space use fgets().


Ioannis

* Ioannis Vranos
* Programming pages: http://members.nbci.com/noicys
* Alternative URL: http://run.to/noicys


> -----Original Message-----
> From: dev...@li...
> [mailto:dev...@li...]On Behalf Of
> Albert Vilella Bertran
> Sent: Thursday, April 19, 2001 11:10 AM
> To: dev...@li...
> Subject: [Dev-C++] gets,fgets,getline
>
>
> I have experienced problems with the function "gets".
> It seems that in my program is using memory addresses that shouldn't us=
e
> because it writes on some of my dynamic memory space.
>
> I have read the "The GNU C Library" and while trying to use
> "getline" instead
> of "gets", it seems that getline is not in "stdio.h". In fact,
> searching for it
> in "stdio.h" like >Ctrl+F-> "getline", it doesn't found it.
>
> I dunno what's happening.
>
> Does anybody know anything I can try?
>
>
> _______________________________________________________________
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>
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>

Re: [Dev-C++] Number backwards?

[Lorenzo <co...@in...>]

> How do I do if I want to use a number backwards?
> For example: If I give the variable 'n' the number 12345
> and want to use it as 54321.

WHY?
Though you can convert int to string with itoa and use the strrev to invert
order of character and convert string to int with atoi.

Re: [Dev-C++] Number backwards?

[Bolek V. <vr...@pa...>]

> How do I do if I want to use a number backwards?
> For example: If I give the variable 'n' the number 12345
> and want to use it as 54321. In  cout for example.

unsigned backwards( unsigned n)
// Reverse order of digits (in decadic)
{
  unsigned result = 0;

  while (n > 0) {
    result = 10*result + n % 10;
    n = n / 10;
  }
  return result;
}

-- 
============================================================
                           Ing. Boleslav Vrany
                           Stanice techniku DDM hl. m. Prahy
                           Pod Juliskou 2a
                           Praha 6 - Dejvice
                           16000
                           Czech Republic

                           tel. (420 2) 243 10 240

Re: [Dev-C++] gets,fgets,getline

[Bolek V. <vr...@pa...>]

> I have experienced problems with the function "gets".
> It seems that in my program is using memory addresses that shouldn't use
> because it writes on some of my dynamic memory space.

gets doesn't test the size of the input buffer. The buffer must be long
enough to hold all input characters.

> I have read the "The GNU C Library" and while trying to use "getline" instead
> of "gets", it seems that getline is not in "stdio.h". In fact, searching for it
> in "stdio.h" like >Ctrl+F-> "getline", it doesn't found it.

According to the standard getline is in <string>. However, this is a C++
only function that reads the string class object from objective streams.
I don't know if there is any getline for char * in the GNU C library -
if so, it might be anywhere.

-- 
============================================================
                           Ing. Boleslav Vrany
                           Stanice techniku DDM hl. m. Prahy
                           Pod Juliskou 2a
                           Praha 6 - Dejvice
                           16000
                           Czech Republic

                           tel. (420 2) 243 10 240

[Dev-C++] Number backwards?

[Jesper E. <hag...@ho...>]

How do I do if I want to use a number backwards?
For example: If I give the variable 'n' the number 12345 
and want to use it as 54321. In  cout for example.

Can i retype it or what?

RE: [Dev-C++] Again with: gets,fgets,getline

[Ioannis V. <no...@ya...>]

There is no getline() in the C standard library. There are gets() and
fgets() to read lines.


Ioannis

* Ioannis Vranos
* Programming pages: http://members.nbci.com/noicys
* Alternative URL: http://run.to/noicys


> -----Original Message-----
> From: dev...@li...
> [mailto:dev...@li...]On Behalf Of
> Albert Vilella Bertran
> Sent: Thursday, April 19, 2001 11:13 AM
> To: dev...@li...
> Subject: [Dev-C++] Again with: gets,fgets,getline
>
>
> <I have experienced problems with the function "gets".
> <It seems that in my program is using memory addresses that shouldn't u=
se
> because <it writes on some of my dynamic memory space.
> <
> <I have read the "The GNU C Library" and while trying to use
> "getline" instead
> of <"gets", it seems that getline is not in "stdio.h". In fact,
> searching for
> it in <"stdio.h" like >Ctrl+F-> "getline", it doesn't found it.
>
> <I dunno what's happening.
>
> <Does anybody know anything I can try?
>
> Here I have an example:
>
> /*------------------------------------------------------*/
>
> #include <stdio.h>
>
>
> int main()
> {
>       char pep[255],pitu[255],nitu[255],*pt,*ptg;
>       int i;
>       FILE *fp;
>
>       printf("Write something\n");
>       gets(pep);
>       printf("Write something more\n");
>       fgets(pitu,255,fp);
>       printf("Write something more again\n");
>       pt =3D (char)malloc(256*sizeof(char));
>       getline(pt,255,fp);
>
>       system("PAUSE");
>       return 0;
> }
>
> /*------------------------------------------------------*/
>
>
>
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