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UNIX/Linux Programming - April 2011

why the text file size is one more than the character count

Hi all: i have a file which contains 332 characters determined by using the document statistics feature of gedit, but actually its file size on disk is 333 byt...

[4 replies] Last: yes,now i get the point . thanks a lot ! (by sysabod)

by Krisando

stdio.h syntax related error?

When including stdio.h and building my program, I receive the following error: /usr/include/stdio.h|30|error: expected identifier or ‘(’ before string con...

[8 replies] Last: Instead I took out the include (Minini) which caused this error in Win... (by Krisando)

by fuzzylr

Socketing

Greetings, I was wondering if anyone had some good links for Linux socketing or some good examples of windows / Linux socketing. I am looking for C++ exampl...

[4 replies] Last: See some good links: http://www.kgsepg.com/project-id/12881-tcp-ip-so... (by techie07)

by banu

Unix system crashing - Need help to identify the issue

Hi, We are accessing our remote webserver using libcurl.We are using GET method to post the request.The request is a simplified URL.We will receive XML Respons...

[4 replies] Last: I'd guess that you have a memory bounds error that's corrupted the sta... (by kbw)

by iamuser2007

C++ recursive string subset? NEED HELP

hi. /*Write a recursive function that returns a vector of strings containing all subsets of a string value passed in (the passed string represents a set of c...

[3 replies] Last: Have you tried doing with pen/paper first? If not, give it a go with ... (by kbw)

by ivanBG

Runing Allegro binary on different pc.

Hi, I have written a snake game using allegro. So I want to share it with my friends, but the binary file won't execute, even after installing allegro. They hav...

[3 replies] Last: Solved it, it's very easy actually. Here is how: g++ game.cpp -o game... (by ivanBG)

by karlo

g++ doesn't find default libraries

I have the problem that g++ doesn't find anymore default libraris of STL etc. For example if i want to complile: #include <iostream> int main() { return 0...

[no replies]

by anuragbs

String comparisons. a program to compare words of two files and return them

// I'm having this problem with HandleQueries function. Everything else in the // in the program is completely right. Please do provide any refernces if you g...

[3 replies] Last: THe problem Statement - TASK: Write a C++ program to read a collection... (by anuragbs)

by Ihtisham

Error; "conflict type for ..."

#include<stdio.h> #include<pthread.h> #include<unistd.h> #include<stdlib.h> #include<string.h> int in=0; int out=0; int shared_counter=0; char* buffer ; pthr...

[3 replies] Last: Do you know about function prototypes? I suggest you declare the StrR... (by anonymous23323124)

by tap3ah

APUE book Exercise 3.2 (no solution)

Write your own dup2 function that performs the same service as the dup2 function described in Section 3.12, without calling the fcntl function. Be sure t...

[2 replies] Last: http://pubs.opengroup.org/onlinepubs/009695399/functions/dup.html (by tap3ah)

by rw123

compile error

Hi. Am new to c++ and need expert help in resolving error mentioned below. The code below compiles fine on older Sun versions (CC 5.3 and 5.8). Thanks so mu...

[1 reply] : DBSql Database::Table( const char* tableName ) { return Table... (by diedrexler)

by behzadC

Help: Pass an Input to a Program for test

Hey guys I started to run a C++ my program in Linux and I don't know how to test my program that works fine with a text file. This is a project for my uni and ...

[7 replies] Last: Basically, show what is inside the cat file, which is about "control c... (by Garfed)

by pengkeanh

memory usage problem.

Hi All, I am working on optimizing the memory usage of my codes and I found a problem that I do not understand. Please let me know what you think. Code: ...

[2 replies] Last: It's more likely that the pages are not being released back to the OS ... (by Athar)

by moradwan

Outputting Arabic characters

Hello, I recently switched over to Ubuntu because of its support for unicode. I am trying to create a program that will handle Arabic characters the same way ...

[2 replies] Last: Agreed. Outputting them to the console might be tricky. I'm not sure... (by moorecm)

by lostincode

Trouble reading from a file

Ok, I'm trying to iterate through all files in a directory to be used as arguments for another program. Trouble is, I am only getting the first letter of all t...

[4 replies] Last: Thanks Athar, I appreciate the help. I'm new to C++, as you can tell.... (by lostincode)

by dumbterminal

SIGCHLD and watpid()

I am launching a number of processes using fork(), of which only a particular process i need to catch in parent process, others would be caught in signal handle...

[1 reply] : Check errno after wait() to see why you got -1. (by kooth)

by crinus

Emulator of PowerPC

Whether there is ready sources?

[1 reply] : This is a classic case for Google search. Recently active open source ... (by Zeillinger)

by ivanBG

Allegro problem

Hi, I'm using the allegro library under Ubuntu 10.10, when I compile something on my desktop it works, but if I compile or copy the compiled file to another dir...

[2 replies] Last: Thanks, at first I told that the files will be stored in the executabl... (by ivanBG)

by lostincode

Program compiles and runs in Netbeans but not at terminal

I've got a simple program (at one point an empty program to test) that will run and compile fine in Netbeans, but at the terminal I get the error: ./main.0: 1:...

[7 replies] Last: Yes, that is correct. I'm guessing I'm not finding the executable cre... (by lostincode)

by talentspsp

g++ header searching path

How can I add a folder and ALL ITS SUBFOLDERS to the "include searching path"? Then if myheader.h is in one of these folders, I can use "include <myheader.h>" i...

[3 replies] Last: Do it one time inside a Makefile so you don't need to repeat typing th... (by sohguanh)

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