UNIX/Linux Programming - C++ Forum

Error trying to use malloc at Ubuntu

Hello guys im trying to run a code that runs fine at windows, but when I try to run it at Ubuntu I get the following message at console: malloc.c:3096: sYSMA...

[3 replies] Last: Thats amazing... :) (by writetonsharma)

by ms4800

need help in makefile syntax??

tmp = `echo $$MKCS_RISLABEL | awk -F"_" '{print $$2}'` ifeq ($(tmp),FSPR6CGR) bash_Version="bash-3.2" else bash_Version="bash-3.1" endif ...

[1 reply] : Is environment var MKCS_RISLABEL set? As a matter of curiosity, what'... (by kbw)

by thierrypin

Sending several lines of data through socket

I have this problem: I have a data structure called DACT, that I convert into a string line and send to another computer. I have a file full of DACTs, and I ne...

[7 replies] Last: I realised why you asked those questions. That \0 character was intend... (by thierrypin)

by iamuser2007

how to modify this code and input this list as input

i see this code in this thread, i want to know how to get input by user or from file in this code. for example this list how to use it as input in this code. i ...

[1 reply] : Please don't duplicate post (or triplicate as the case might be). http... (by kbw)

by anandnilkal

unwind_cleanup error during cout.flush()

Hello, we have a logger system which is printing error message depending on the LOGGER output selected (ex: logging to file, logging to output). when the lo...

[1 reply] : It's possible cout/cerr/clog is destroyed while you're still using it.... (by kbw)

by Computergeek01

Does a *nix API Exist?

I honestly have no idea why I didn't come here sooner. I've checked online for a few weeks and haven't found anything like MSDN for the Linux community, despite...

[8 replies] Last: I was mistaken, thanks for clearing that up. Wow, my respect for those... (by Computergeek01)

by Jhn

Pthread runtime error

I tried running a simple Pthread program. It compiled fine but gave a runtime error. I don't know how to fix it. It says error in line 4 . However, line 4 sound...

[4 replies] Last: Yes, it works now. You are right, I was trying to run the source code.... (by Jhn)

by attaboy

Mic loopback

Hey guys... So basically I want to be able to virtually link some audio output to my mic input... I've tried a few things... Perl (sockets)... Configuring aro...

[no replies]

by ph2011

factorial using pipes

write a program that calculates the factorial of an integer using pipes... can me out with this problem.. thank you

[2 replies] Last: thank for that information.. (by ph2011)

by banun

raise.c

Hi, I'm getting the following problem while using DDD to debug my program : Here's what I get : http://imageshack.us/photo/my-images/109/72636372.jpg/ ...

[1 reply] : The problem is that DDD cannot find your source file. Does the file gi... (by h3432)

by Jhn

Need help with pthread

I can't run the following program which uses pthreads. When I compile it using gcc, I get errors which I copied at the bottom of this program. #include<stdio...

[2 replies] Last: U mean something like: cc -lpthread programName.c (by Jhn)

by now

Xlib Context Management tutorials/examples

Hi, I'm hoping somebody can help me locate some good links with any tutorials or examples for using the context management functions within the xlib protocol...

[2 replies] Last: I wanted to learn lower level graphics programming first. I'm working ... (by now)

by bacpp

sed: advanced auto-dependency generation

hi, can anyone pls help me understand what $@.$$$$ means in the following sed command: sed 's/$$*$\.o[ :]*/\1.o $@ :/g' $@.$$$$ $@ thanks!

[8 replies] Last: the problem is when I run the code, I get the following error: /bin/s... (by bacpp)

by peppecarto

string to double

Hello! i have a problem converting from string to double. I read a string containing my value from a file. getline (myfile,riga_3); risultato = atof(riga_3....

[7 replies] Last: I've never seen this happen before. I can't test now, but when i get t... (by thierrypin)

by sidjey

transposition of the matrix.

Implement a program of the parallel algorithm for transposition of the matrix. please help me with the program! #include <sys/time.h> #include <iostream>...

[2 replies] Last: You can make a thread that reads a line and writes it as a column in t... (by thierrypin)

by pavanetti

Implementing a interface in a dynamic library so

I want to implement a class that inherits from an interface in a unix-so or in a win -dll. Can I do this? How do I do? thanks.

[1 reply] : The class declaration should be in a header file which you can include... (by anonymous23323124)

by WSiaB

GUI coding intro tutorial

I have just completed a Introduction to C++ class and all we did was work in the console. I was wondering what are some good sites to help teach me win32 GUI c...

[1 reply] : QT - http://www.digitalfanatics.org/projects/qt_tutorial/ wxWidgets -... (by Moschops)

by dearvivekkumar

How to launch new process on mac

#include <stdio.h> #include <unistd.h> int main() { pid_t pid; pid = fork(); if(pid > 0 ) { printf("Parent pro...

[4 replies] Last: [quote=man] int execl(const char *path, const char *arg, ...); exec... (by ne555)

by RobinQi1

How to specify interface in multicast?

Hi! I have a quick question. If I have a multi home PC, Where do I specify which interface to use when sending out multicast msg? Below is my code, this is not ...

[5 replies] Last: Thanks again. I found tcpdump works just fine. except it needs sudo ..... (by RobinQi1)

by senthil88

File permission error

I wrote a piece of code to find out the ipaddress of my linux machine. It works well when I compile it and run it in /tmp directory. But when I convert it to ...

[2 replies] Last: In your code: readFile.open("myip.txt", ifstream::out); system("ifcon... (by kbw)

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UNIX/Linux Programming - May 2011 (Page 2)