dev-cpp-users Mailing List for Dev-C++

Yeoh -

That was perfect! Thank you. I'll be bookmarking your homepage! God bless.

-Ed


-----Original Message-----
From: Yeoh HS [mailto:ye...@ye...] 
Sent: Thursday, July 31, 2003 10:10 PM
To: Ed Cottrell; dev...@li...
Subject: Re: [Dev-C++] OT: Connecting to FoxPro databases with a DSN


----- Original Message -----
From: "Ed Cottrell" <em...@ed...>
That's just it - I don't know how to connect to the database from C or C++.
I know the database end of things (SQL, recordsets, all that); I just don't
know how to access the database, at all, with C code. -Ed

Hi,

I have written an example program that shows how to access Microsoft Access
databases using Dev-C++ without requiring the end-user to set up a DSN..

By changing the connection string, you should be able to access FoxPro
databases.

To download the free example program, the URL is:
http://www.yeohhs.com/free/portal.asp

Best Regards,
Yeoh
--
P.S. More free downloads for Dev-C++ users at http://www.yeohhs.com

Abhijit, 

thanks for your quick reply. The compiler itself i=
s a modified gcc for ARM processors. The SDKs  which contains=
 the compilers are for free downlaod at: 

http://www.symbian=
 .com/developer/SDKs.html

(purpose of the SDKs is integration=
 with Metroworks Codewarrior IDE)

The downloads are huge and=
 a big hassle to install !

In case you choose to install the=
 SDKs, do not install the emulator for the UIQ-SDK, beacuse i=
t requires the Metroworks IDE.
Otherwise I can sent you (next=
 week) just the (automatically generated) makefiles for some =
example projects, maybe this is enough, and you do not need t=
o install the SDKs. What do you think ?

regards
Roberto



>=
 -----Original Message-----
> From: Abhijit Shylanath  <mudet=
h...@gm...>
> Sent: Sat Aug 02 23:18:29 CEST 2003
> To: "Rober=
to Saccon" <ro...@sa...>; <dev...@li...=
rge.net>
> Cc: 
> 
> 
> 
> Hello, Roberto.
> 
> > Has anybody managed to integrate the Symbian C++ SDKs in=
to
> > dev-C++ for compiling code targeted to mobile devices ?
> 
> I assume you are talking about using a C++
> cross-compile=
r, or whatever it is
> called, in Dev-C++.
> 
> I have written a utility to allow Dev-C++ to use
> unsuppo=
rted compilers (by
> mapping arguments and re-formatting outp=
ut). It
> is available here:
> 
> 	http://mudeth.tripod.com/dev_star.html
> 
> As of now, there is support only for Turbo C++
> (tested) =
and Borland C++ 5.0
> (untested). However, if you can point o=
ut a
> working copy of the compiler,
> I'll be glad to write =
a plug-in for it.
> 
> --
> Abhijit Shylanath
> Homepage: http://mudeth.tripod.com/

Hello, Roberto.

> Has anybody managed to integrate the Symbian C++ SDKs into
> dev-C++ for compiling code targeted to mobile devices ?

I assume you are talking about using a C++ cross-compiler, or whatever it is
called, in Dev-C++.

I have written a utility to allow Dev-C++ to use unsupported compilers (by
mapping arguments and re-formatting output). It is available here:

	http://mudeth.tripod.com/dev_star.html

As of now, there is support only for Turbo C++ (tested) and Borland C++ 5.0
(untested). However, if you can point out a working copy of the compiler,
I'll be glad to write a plug-in for it.

--
Abhijit Shylanath
Homepage: http://mudeth.tripod.com/

Has anybody managed to integrate the Symbian C++ SDKs into de=
v-C++ for compiling code targeted to mobile devices ?

Robert=
o

P.D. van Zelst wrote:
> I wonder if this will get considered at all, but anyway. I find the
> default shortcut for closing the current file quite annoying (I don't
> even know if it's customizable)... Alt+F4 is used throughout Windows for
> closing the entire application, and Ctrl+F4 is used (within MDI apps)
> for closing the current MDI child window... it's not proper style for
> Dev-C++ to go ahead and switch those around.. using Alt+F4 for closing a
> file (and I can't seem to find a shortcut for closing the application).
> I wonder if this could be changed to the default Windows behaviour...
> Alt+F4 for closing the application, Ctrl+F4 for closing the current
> file.

I also find this VERY annoying. I hope the devs will fix it sometime.

--
Greetings,
   Balázs

Pukara Rob wrote:
> Thank you for helping me.
> Yes actualy the file contains the following:
>  
> 
> #ifdef linux
> #include <stdio.h>
> #endif
>  
> which I guess means the include is done only for linux but since I wortk 
> for windows...
> I wonder why the designers of that system put that line. Any idea...? 

I dunno.
What exactly is this library, that you are working with?

> ----------------------------------------------------------------------------------------------------------------
> Another question. In another file called arutils.h I got
>  
> #ifdef WIN32
> #include <sys/timeb.h>
> #endif
> #ifdef linux
> #include <sys/time.h>
> #include <unistd.h>
> #endif
>  
> and as a result I got an error message saying that:
>  
> C:\\PROGRA~1\\ACTIVM~1\\ARIA\\include\\ariaUtil.h:558: `time_t' was not 
> declared in this scope
> Can someone tell me about these library details diferences in windows 
> and linux???

Yes, as you see, it tells you, that time_t is not declared. Which means, 
that (assuming you have -DWIN32 on command line) sys/timeb.h is not 
going to be good for you. I suppose, that they used MSVC for the 
library's Windows port, and probably sys/timeb.h worked well for them. 
It is only my guess though.
Anyway, if you look at <sys/time.h>, you'll notice, that it actually 
includes <time.h>, which has time_t.
So what you need is: <sys/time.h>

I guess you already noticed all the above, as you asked about the 
difference details. I cannot tell you that, as I have never worked with 
time stuff under linux. Maybe a linux guru here can tell you more.

I hope this helps.

--
Greetings,
   Balázs

Dennis Möhlmann wrote:
> Hello dev-cpp-users,
> 
>   I  want  to  compile  code  from  an OpenGL tutorial that uses libjpeg to read
>   textures from a jpeg file. Unfortunatly, whenever I try to compile the code, I
>   get linker errors for all libjpeg functions. (I use the -ljpeg parameter.)
> 
>   I  searched the Dev C++ forums and a lot of other people seem to have the same
>   problem,  but none of them received a helpful reply. Maybe somebody here knows
>   a sollution ?

Yes, I know the solution.
But I'll keep it a secret, until you tell me the errors you get. ;)

--
Greetings,
   Balázs

Hi,

I wonder if this will get considered at all, but anyway. I find the
default shortcut for closing the current file quite annoying (I don't
even know if it's customizable)... Alt+F4 is used throughout Windows for
closing the entire application, and Ctrl+F4 is used (within MDI apps)
for closing the current MDI child window... it's not proper style for
Dev-C++ to go ahead and switch those around.. using Alt+F4 for closing a
file (and I can't seem to find a shortcut for closing the application).
I wonder if this could be changed to the default Windows behaviour...
Alt+F4 for closing the application, Ctrl+F4 for closing the current
file.

Thanks in advance,


Paul

Hi
How can i use the profiler in Dev C++ ? I check the correct linker 
options ('generate debug information' and 'generate profiling 
information' too) both in the proyect options and compiler options (just 
to make sure ;)
But after building successfully my app I get the following messege when 
I choose "Profiler Analysis" from Compile Menu:
"Please run the proyect at least once so that profiling info is 
generated..."

And yes, I´ve run my proyect not once but n-times and i still get the error.

Any help will be appreciated

Thanks in advance

-- 
---------------------------------------------------
     Ricardo Amores Hernández 
	ICQ: 19463735
	MSN: zheo_ (at) hotmail (dot) es
---------------------------------------------------

Thank you for helping me.
Yes actualy the file contains the following:
 

#ifdef linux
#include <stdio.h>
#endif
 
which I guess means the include is done only for linux but since I wortk for windows...
I wonder why the designers of that system put that line. Any idea...? Since this is the first time I work withprogramming in  windows I have none.
 
Anyway I send a message asking that to the designers of the system. I hope they answer as fast as you. Thank you very much..
 
----------------------------------------------------------------------------------------------------------------
Another question. In another file called arutils.h I got 
 
#ifdef WIN32
#include <sys/timeb.h>
#endif
#ifdef linux
#include <sys/time.h>
#include <unistd.h>
#endif
 
and as a result I got an error message saying that:
 
C:\\PROGRA~1\\ACTIVM~1\\ARIA\\include\\ariaUtil.h:558: `time_t' was not declared in this scope

Can someone tell me about these library details diferences in windows and linux???
 
Thanks a lot!!!
 
 
 
 
 
 
 


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Hello dev-cpp-users,

  I  want  to  compile  code  from  an OpenGL tutorial that uses libjpeg to read
  textures from a jpeg file. Unfortunatly, whenever I try to compile the code, I
  get linker errors for all libjpeg functions. (I use the -ljpeg parameter.)

  I  searched the Dev C++ forums and a lot of other people seem to have the same
  problem,  but none of them received a helpful reply. Maybe somebody here knows
  a sollution ?

Thanks,
 Dennis

Pukara Rob wrote:

> Hello everybody. I would appreciate very much if someone can answer me 
> the following:
>  
> 
> 1) I am using a system with some libraries. When I try to compile a 
> program with those libraries I get a lot of errors. But just check the 
> first one:
> 
> C:\PROGRA~1\ACTIVM~1\ARIA\include\ArLog.h:83: ANSI C++ forbids 
> declaration `FILE' with no type
> C:\PROGRA~1\ACTIVM~1\ARIA\include\ArLog.h:83: parse error before `*'
> 
> 
> Now checking that line in "ArLog.h" we have:
> 
> protected:
> static FILE *ourFP;
> 
> But that is a prefectly fine line as fas as I know. Why does DevC++ 
> protest about this? Ansi forbids FILE with no type???? I don't get it.

Does ArLog.h include stdio.h anywhere?

> 2) Hasnt nobody notice the mistake in file
> "c:\dev-c...\include\winsock2.h "
> 
> In the last lines there is a '#' missing which makes the compile protest 
> of unbalanced #endif's
> Did someone notice? Is it a mistake of DevC++?

No, it is likely a mistake of MinGW, the compiler in Dev-C++. Head on to
http://www.mingw.org
for details, and send a bug report. It is good that you have found it.
But first, download the latest Win32 API headers and libraries from the 
website (win32api), and see if it is fixed.

--
Greetings,
   Balázs

Richard Chiu wrote:
> heck he's programming for DOS, let him use system("PAUSE"). 
> it goes against the very nature of programming to get() or cin or scanf etc when you dont want to!
> i mean, sure it does the trick, but it doesnt 'wait for an 'enter'' it waits to read in the next character or string or whatever.

Yes, but because of buffering, it will only return, when you press an 
'enter'. And actually, I was wrong, it is getchar().

--
Greetings,
   Balázs

Hello everybody. I would appreciate very much if someone can answer me the following:
 

1) I am using a system with some libraries. When I try to compile a program with those libraries I get a lot of errors. But just check the first one: 

C:\PROGRA~1\ACTIVM~1\ARIA\include\ArLog.h:83: ANSI C++ forbids declaration `FILE' with no type 
C:\PROGRA~1\ACTIVM~1\ARIA\include\ArLog.h:83: parse error before `*' 


Now checking that line in "ArLog.h" we have: 

protected: 
static FILE *ourFP; 

But that is a prefectly fine line as fas as I know. Why does DevC++ protest about this? Ansi forbids FILE with no type???? I don't get it. 

2) Hasnt nobody notice the mistake in file 
"c:\dev-c...\include\winsock2.h " 

In the last lines there is a '#' missing which makes the compile protest of unbalanced #endif's 
Did someone notice? Is it a mistake of DevC++? (Which by the way is wonderful! because I have never have hade these kind of weird errors and that is wyh I am perplexed) 
 
Please Help me.




---------------------------------
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Yahoo! SiteBuilder - Free, easy-to-use web site design software

Graham wrote:

>My Question Is
>is the not a setting in DEV-C that will make it keep the window open??
>eg this is a DEV-C question  not a C programming question
>
>  
>

1) Go to Tools menu -> Configure tools
2) Click the Add button
3) Type:
    Title:    Run in a DOS box
    Program:    c:\windows\command.com
    Working directory:   <PROJECTPATH>
    Parameters:   /K <EXENAME>

4) Every time you want to run it, go to Tools -> Run in a DOS box.




Daniel K. O.

The debate about which piece of code to use to stop the window from closing
is very interesting and educational and I thank all contributors
BUT
My question is can it be done without adding code.
The problem only occurs when I compile and run in DEV-C
When I take the work in to uni, they run it on grasp or something else where
this problem doesnt occur.
SO
My Question Is
is the not a setting in DEV-C that will make it keep the window open??
eg this is a DEV-C question  not a C programming question

thanking all for your assistance

Graham

----- Original Message ----- 
From: "Richard Chiu" <tel...@ya...>
To: <dev...@li...>
Sent: Saturday, August 02, 2003 11:45 AM
Subject: Re: [Dev-C++] why does window close after execution? newbie


heck he's programming for DOS, let him use system("PAUSE").
it goes against the very nature of programming to get() or cin or scanf etc
when you dont want to!
i mean, sure it does the trick, but it doesnt 'wait for an 'enter'' it waits
to read in the next character or string or whatever.

i dunno, i'm being pedantic i know. ;)

but how many other platform have console windows which open and close like
they do in windows??


1/08/03 9:31:46 PM, OROSZI Balázs <or...@vp...> wrote:

>Graham wrote:
>
>> I have installed Dev-C under Win XP Pro
>> and am running the traditional "Hello World" as the first exercise in my
>> tutorial.
>> When it is compiled and run it instantly closes the window after
>> printing to the screen.   I therefore cant see the output.
>> Is there a way to change this with a setting of DEV-C or will I have to
>> put up with adding some sort of pause statement at the end of everything
>> I write?
>>
>> my code looks like this
>> /*
>> *Hello, "Hello World.\n"
>> */
>> #include <iostream>
>> int main ()
>> {
>>     cout<<"Hello, world.\n";
>> return 0;
>> }
>
>This is indeed a VVVVVFAQ (very-very-very-very-...).
>BTW this is absolutely NORMAL behaviour. To make the dos-prompt stay,
>you need to pause your program at the end. Use this line before return:
>
>getc();
>
>This will wait for an "Enter".
>(I don't like system("PAUSE"), as that is platform-dependent).
>
>--
>Greetings,
>   Balázs
>
>
>
>-------------------------------------------------------
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heck he's programming for DOS, let him use system("PAUSE").=20
it goes against the very nature of programming to get() or cin or scanf e=
tc when you dont want to!
i mean, sure it does the trick, but it doesnt 'wait for an 'enter'' it wa=
its to read in the next character or string or whatever.

i dunno, i'm being pedantic i know. ;)

but how many other platform have console windows which open and close lik=
e they do in windows??


1/08/03 9:31:46 PM, OROSZI Bal=E1zs <or...@vp...> wrote:

>Graham wrote:
>
>> I have installed Dev-C under Win XP Pro
>> and am running the traditional "Hello World" as the first exercise in =
my=20
>> tutorial.
>> When it is compiled and run it instantly closes the window after=20
>> printing to the screen.   I therefore cant see the output.
>> Is there a way to change this with a setting of DEV-C or will I have t=
o=20
>> put up with adding some sort of pause statement at the end of everythi=
ng=20
>> I write?
>> =20
>> my code looks like this
>> /*
>> *Hello, "Hello World.\n"
>> */
>> #include <iostream>
>> int main ()
>> {
>>     cout<<"Hello, world.\n";
>> return 0;
>> }
>
>This is indeed a VVVVVFAQ (very-very-very-very-...).
>BTW this is absolutely NORMAL behaviour. To make the dos-prompt stay,=20
>you need to pause your program at the end. Use this line before return:
>
>getc();
>
>This will wait for an "Enter".
>(I don't like system("PAUSE"), as that is platform-dependent).
>
>--
>Greetings,
>   Bal=E1zs
>
>
>
>-------------------------------------------------------
>This SF.Net email sponsored by: Free pre-built ASP.NET sites including
>Data Reports, E-commerce, Portals, and Forums are available now.
>Download today and enter to win an XBOX or Visual Studio .NET.
>http://aspnet.click-url.com/go/psa00100003ave/direct;at.aspnet_072303_01=
/01
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>

Hi everyone,

I think the quickest way to access a portion of a file is to structure it, 
then use the fseek function from stdio.

In the case we are considering, the data for each room should be about the 
same size. For example, if the data for a room is 500 bytes, each room's 
data can be stored in a file at 500 byte intervals, then accessed using the 
standard library routines. So to access room 50, you would set the file 
pointer at 50 x 500.
                 fseek(room_file_pointer, room_number * 500, SEEK_SET);

If the data for each object is large, several files may be needed, maybe 
with an index file.

Kev.