* PROBLEM !!! __ OS: ANY LINUX __ COMPILERS: gcc & g++ __ OUTPUT: BAD!!!
@ 2023-03-16 17:44 oszibarack korte
2023-03-16 17:49 ` Andrew Pinski
2023-03-16 17:49 ` Jonathan Wakely
0 siblings, 2 replies; 3+ messages in thread
From: oszibarack korte @ 2023-03-16 17:44 UTC (permalink / raw)
To: gcc
[-- Attachment #1: Type: text/plain, Size: 2106 bytes --]
*An unsolved problem for more than a decade!*
*Dear GNU Compiler Collection development team!*
*There is a problem with the gcc and g++ compilers for Linux operating
systems!*
*Here are 3 pieces of C and 3 pieces of C++ source code.*
*- Please compile them on any LINUX!- Run it!- Compare the output with the
corresponding source code!Summary: THE OUTPUTS ARE BAD !!!*
*>>> C*
*1.*
// c0.c
// ENVIRONMENT: LINUX COMPILER: gcc OUTPUT: BAD !!!
#include <stdio.h>
void main (void)
{
printf ("GNU Compiler Collection");
while (1)
{
;
}
}
*2.*
// c1.c
// ENVIRONMENT: LINUX COMPILER: gcc OUTPUT: BAD !!!
#include <stdio.h>
#include <stdlib.h>
void main (void)
{
printf ("Hello!");
system ("sleep 10");
system ("clear");
printf ("Goodbye!");
}
*3.*
// c2.c
// ENVIRONMENT: LINUX COMPILER: gcc OUTPUT: BAD !!!
#include <stdio.h>
#include <stdlib.h>
void main (void)
{
unsigned int i;
printf ("Now count up to 4.000.000.000. ST\nART! Wait...");
for (i = 0; i < 4000000000; i++)
{
;
}
printf ("READY!");
system ("gcc --version");
printf ("i = %u", i);
system ("uname -a");
}
*>>> C++*
*1.*
// cpp0.cpp
// ENVIRONMENT: LINUX COMPILER: g++ OUTPUT: BAD !!!
#include <iostream>
int main (void)
{
std::cout << "GNU Compiler Collection";
while (1)
{
;
}
return 0;
}
*2.*
// cpp1.cpp
// ENVIRONMENT: LINUX COMPILER: g++ OUTPUT: BAD !!!
#include <iostream>
int main (void)
{
std::cout << "Hello!";
system ("sleep 10");
system ("clear");
std::cout << "Goodbye!";
return 0;
}
*3.*
// cpp2.cpp
// ENVIRONMENT: LINUX COMPILER: g++ OUTPUT: BAD !!!
#include <iostream>
int main (void)
{
unsigned int i;
std::cout << "Now count up to 4.000.000.000. ST\nART! Wait...";
for (i = 0; i < 4000000000; i++)
{
;
}
std::cout << "READY!";
system ("g++ --version");
std::cout << "i = " << i;
system ("uname -a");
return 0;
}
*Thank you,Best regards,*
korte.oszibarack
*March 16th, 2023*
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: PROBLEM !!! __ OS: ANY LINUX __ COMPILERS: gcc & g++ __ OUTPUT: BAD!!!
2023-03-16 17:44 PROBLEM !!! __ OS: ANY LINUX __ COMPILERS: gcc & g++ __ OUTPUT: BAD!!! oszibarack korte
@ 2023-03-16 17:49 ` Andrew Pinski
2023-03-16 17:49 ` Jonathan Wakely
1 sibling, 0 replies; 3+ messages in thread
From: Andrew Pinski @ 2023-03-16 17:49 UTC (permalink / raw)
To: oszibarack korte; +Cc: gcc
On Thu, Mar 16, 2023 at 10:46 AM oszibarack korte via Gcc
<gcc@gcc.gnu.org> wrote:
>
> *An unsolved problem for more than a decade!*
> *Dear GNU Compiler Collection development team!*
>
> *There is a problem with the gcc and g++ compilers for Linux operating
> systems!*
> *Here are 3 pieces of C and 3 pieces of C++ source code.*
There is no bug here. stdout is line buffered.
Thanks,
Andrew
>
>
>
>
>
> *- Please compile them on any LINUX!- Run it!- Compare the output with the
> corresponding source code!Summary: THE OUTPUTS ARE BAD !!!*
>
> *>>> C*
>
> *1.*
>
> // c0.c
> // ENVIRONMENT: LINUX COMPILER: gcc OUTPUT: BAD !!!
>
> #include <stdio.h>
>
> void main (void)
> {
> printf ("GNU Compiler Collection");
>
> while (1)
> {
> ;
> }
> }
>
>
> *2.*
>
> // c1.c
> // ENVIRONMENT: LINUX COMPILER: gcc OUTPUT: BAD !!!
>
> #include <stdio.h>
> #include <stdlib.h>
>
> void main (void)
> {
> printf ("Hello!");
>
> system ("sleep 10");
>
> system ("clear");
>
> printf ("Goodbye!");
> }
>
>
> *3.*
>
> // c2.c
> // ENVIRONMENT: LINUX COMPILER: gcc OUTPUT: BAD !!!
>
> #include <stdio.h>
> #include <stdlib.h>
>
> void main (void)
> {
> unsigned int i;
>
> printf ("Now count up to 4.000.000.000. ST\nART! Wait...");
>
> for (i = 0; i < 4000000000; i++)
> {
> ;
> }
>
> printf ("READY!");
>
> system ("gcc --version");
>
> printf ("i = %u", i);
>
> system ("uname -a");
> }
>
>
> *>>> C++*
>
> *1.*
>
> // cpp0.cpp
> // ENVIRONMENT: LINUX COMPILER: g++ OUTPUT: BAD !!!
>
> #include <iostream>
>
> int main (void)
> {
> std::cout << "GNU Compiler Collection";
>
> while (1)
> {
> ;
> }
>
> return 0;
> }
>
>
> *2.*
>
> // cpp1.cpp
> // ENVIRONMENT: LINUX COMPILER: g++ OUTPUT: BAD !!!
>
> #include <iostream>
>
> int main (void)
> {
> std::cout << "Hello!";
>
> system ("sleep 10");
>
> system ("clear");
>
> std::cout << "Goodbye!";
>
> return 0;
> }
>
>
> *3.*
>
> // cpp2.cpp
> // ENVIRONMENT: LINUX COMPILER: g++ OUTPUT: BAD !!!
>
> #include <iostream>
>
> int main (void)
> {
> unsigned int i;
>
> std::cout << "Now count up to 4.000.000.000. ST\nART! Wait...";
>
> for (i = 0; i < 4000000000; i++)
> {
> ;
> }
>
> std::cout << "READY!";
>
> system ("g++ --version");
>
> std::cout << "i = " << i;
>
> system ("uname -a");
>
> return 0;
> }
>
>
>
> *Thank you,Best regards,*
> korte.oszibarack
> *March 16th, 2023*
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: PROBLEM !!! __ OS: ANY LINUX __ COMPILERS: gcc & g++ __ OUTPUT: BAD!!!
2023-03-16 17:44 PROBLEM !!! __ OS: ANY LINUX __ COMPILERS: gcc & g++ __ OUTPUT: BAD!!! oszibarack korte
2023-03-16 17:49 ` Andrew Pinski
@ 2023-03-16 17:49 ` Jonathan Wakely
1 sibling, 0 replies; 3+ messages in thread
From: Jonathan Wakely @ 2023-03-16 17:49 UTC (permalink / raw)
To: oszibarack korte; +Cc: gcc
On Thu, 16 Mar 2023 at 17:45, oszibarack korte via Gcc <gcc@gcc.gnu.org> wrote:
>
> *An unsolved problem for more than a decade!*
> *Dear GNU Compiler Collection development team!*
>
> *There is a problem with the gcc and g++ compilers for Linux operating
> systems!*
> *Here are 3 pieces of C and 3 pieces of C++ source code.*
>
>
>
>
>
> *- Please compile them on any LINUX!- Run it!- Compare the output with the
> corresponding source code!Summary: THE OUTPUTS ARE BAD !!!*
No, your programs are bad. You need to flush the output if you want it
to appear right away. When writing to standard output, a new line will
cause that to happen.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2023-03-16 17:44 PROBLEM !!! __ OS: ANY LINUX __ COMPILERS: gcc & g++ __ OUTPUT: BAD!!! oszibarack korte
2023-03-16 17:49 ` Andrew Pinski
2023-03-16 17:49 ` Jonathan Wakely
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