UNIX/Linux Programming - C++ Forum

So here is the main idea - I have to rewrite the CAT command and I bumped into a problem void freadf(char *argv){ FILE* file1;; char text ; int argc...

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by rushhour

Testing a bubble sort

Hi. I have created a program which uses the bubble sort to generate random numbers and sort them using a bubble sort. I then created two functions which woul...

[3 replies] Last: You'll have to verify the compares and swaps yourself but I have a gre... (by seymore15074)

by DrLex

Thread-safe execution of shell commands

I have been searching for this everywhere, but I can't find any answer that brings any clarity. The fact that searching for "thread-safe" generally returns any ...

[2 replies] Last: Unfortunately the whole point of multithreading my program was to be a... (by DrLex)

by everid

g++: undefined reference

//main.cpp int puts ( const char * str ); int main() { puts("Hello world\n"); } HI guys, The above won't work in...

[5 replies] Last: You are not linking against the C++ runtime library for some reason. ... (by jsmith)

by shmeithy

linux c++ compiling error

So I am trying to write a tic tac toe program that runs through a server. The tic tac toe works fine, but when I try to compile the server on Debian Linux machi...

[1 reply] : It seems you'vw written Managed C++, which isn't portable. Mananged... (by kbw)

by ankitguddu

Duplicate registration of class

Hi all, I have created some libraies from cpp files. i have some executables to which i link it. when iam running that executable it says Fatal error:duplica...

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by david000

Question concerning passing data from function using pointer

Hi all! I've got a question as how to pass data from one function to another using pointer. My example code: #include <stdlib.h> #include <string> #i...

[3 replies] Last: Thanks guys!!! :) (by david000)

by kevinchkin

Ethernet Packet content

Hi Guys, I am trying to emulate the bridge, for this I need to use a ethernet packet. In a provided template code, I saw that someone has used this defini...

[4 replies] Last: Thanks for the reply dude (by kevinchkin)

by quant

sendto: Invalid argument netbsd

hi all, I've a program which worked on linux, but after porting on netbsd I take this error.. sent=sendto(sock, buf, buf_siz, 0, (struct sockaddr *) &sin, si...

[7 replies] Last: ok, I fixit but I've got another problem. There I did post two differ... (by quant)

by Sarmad

A class with a pointer to another class

Good day From the Cookbook of C++ I succeeded in coding this class node_t { public: int name; } ; node_t node ; class gate_t{ public: int name; } ; c...

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by rushhour

Program Compile Errors

Hi I was wondering if you could help me find a solution to my compile errors in my program. My program is supposed to generate random numbers specified by th...

[12 replies] Last: There are a few small issues still remaining. in your first post: ... (by enduser000)

by rushhour

Program Compile Errors

Hi I was wondering if you could help me find a solution to my compile errors in my program. My program is supposed to generate random numbers specified by th...

[12 replies] Last: There are a few small issues still remaining. in your first post: ... (by enduser000)

by vivmen

GetLastError() in linux

hi all i am new in linux. the GetLastError() function in windows returnes error code when calling function fails . is there any equivale...

[1 reply] : errno is a global variable that stores the error code from the last sy... (by jsmith)

by Meteor

Changing screen resolution at command line

I was trying to install gentoo linux, but my monintor does not support a resolution of more then 800*600. Is there any way of changing the resolution at command...

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by kikolani

Where can I get a Linux C++ compiler from?

Please tell me where can I get a good free Linux C++ compiler from.

[3 replies] Last: go to gcc.gnu.org, download gz file, extract it run ./configure, mak... (by writetonsharma)

by chrivo

Call to function of linked dynamic library does nothing???

Hi All, I have a very weird problem when calling a function from a dynamic library, that is linked to my program. It's a very simple function. It just takes ...

[7 replies] Last: Hi, What i have understood from the discussion is you are either no... (by writetonsharma)

by snav

how to exit from infinite loop as C++ program close

Hi, I am new to C++ on linux, I build a client-server program in c++ on Redhat linux. In which Server is multithreaded. One thread always keep in infinite lo...

[1 reply] : Hi, When ever you want to stop the server you can stop the thread b... (by writetonsharma)

by Rob4226

Eclipse and Mac OS X installation

Hi, I am a college student with a new mac book and I need to program something in C but I am having trouble setting up eclipse with os x because this is my fir...

[1 reply] : You need XCode from Apple. Join ADC and download/install XCode. It c... (by kbw)

by etrusks

how to make dec to bin?

is there any function who makes deciaml numbers 2 hexodecimal?

[2 replies] Last: Use "sprintf" with format "x" or "X". For more info check this http:/... (by spam1598753)

by kevinchkin

Learning Linux Kernel Programming

Hi Guys, After searching a lot on google and gone through kernelnewbie.org, I am still kind of not sure as to from where to begin. I want to learn about...

[4 replies] Last: Thanks for the reply seymore15074. The website really looks interestin... (by kevinchkin)

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UNIX/Linux Programming - February 2009