C is a general-purpose programming language

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XPDP2 make error

Below is the error I keep coming across but im unsure on how to fix it. I have tried looking elsewhere but I cannot seem to find a clear answer on what the problem is or if this problem even matters. ...
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0answers
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how to fix execstack()? [on hold]

When running C program it showing an error "stack smashed detected". I disabled the stack smash detected. My program went into a loop. Again need to enable the stack smashed detected. I surf for ...
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2answers
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What am I missing, so I can compile my source? I'm new at this [closed]

#include <stdio.h> #include <stdlib.h> #include <string.h> #define password "Please enter your password" int main(int arge, char *argv[]) ( char pass[100]; printf("Please ...
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0answers
24 views

How can only files be copied from one folder to other folder automatically without using any commands? [closed]

The files should get copied from one folder to other folder may be in same or different directory without using any commands but by developing a C lang script. can any one help me out of this ??
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1answer
27 views

SNAP Installation C++

I am new to Linux and working in its environment. I have trouble understanding and installing SNAP library for C++ on Ubuntu 14.04. I am following this tutorial. Inside the SNAP directory I run the ...
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1answer
26 views

gdb - load kernel module for remote debugging

Ubuntu 14.04 LTS: peter@peterubuntu0:$ insmod mymodule peter@peterubuntu0:/sys/module/mymodule/sections$ cat .text .data .bss 0x0000000000000000 0x0000000000000000 0x0000000000000000 So how do I ...
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1answer
39 views

How to open new terminal by C code?

I am using ubuntu 14.04 and Qtcreator to complile a code. I am able to run a terminal by code system("/home/salman/find_location/start_yarp.sh"); But on the next line i have ...
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27 views

Debugging kernel running on AMD target from Intel host - how to return control to gdb?

I have compiled kernel 3.13.0-55 on Ubuntu on both AMD and Intel machines. I tried to copy compiled kernel to Intel target but it won't boot with that one. Therefore I have compiled the same version ...
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25 views

Running Posix threads on Ubuntu

I am trying to run posix threads in a c programme and I'm getting these errors: make: *** [HPCFilter] Error 1 HPCFilter C/C++ Problem undefined reference to `pthread_create' binning.c ...
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29 views

implementation of “jobs” command in C

i tried with this : system("ps -a"); but I don't think this is a good way. This command should list all running processes created by my shell.. EDIT: Yeah i'm talking about the shell that ...
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0answers
35 views

bug in ncurses.h? [closed]

I have been trying to compile a program I have written in C. I notice that there is an error in compiling saying: clock.c: In function ‘main’: clock.c:22:2: warning: passing argument 2 of ‘wgetnstr’ ...
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1answer
27 views

error with .data file,C [closed]

I have been trying to compile a C program that receives data from a .data file.Unfortunately,I always get the following message: input.dat.2:1:error: expected identifier or "(" before numeric constant ...
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1answer
18 views

How to debug a process developed in C running as a Wi-Fi Access Point?

I have two processes developed in C. The first one is running as a WiFi Access Point in Ubuntu machine and the second is running as a controller in another Ubuntu machine in the ethernet network. This ...
0
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1answer
51 views

Is it possible to send keys to inactive window via any c/c++ library?

I'm developing a program where I need to control an inactive window by sending a couple of keys. I was wondering if there is any c/c++ library to do so on Ubuntu (and linux in general) ? I googled a ...
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2answers
79 views

Difference between C programs and shell scripts receiving signals from fuser

I have written the shell script below for a lab in my college. It must look at a log file being upgraded frequently from another process and create a number of copies passed at invokation. Here is the ...
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0answers
22 views

Ubuntu 12.04 Desktop Out

I've been stuck with this several hours and it seems I am not making headway. I did Ctrl+Alt+F1, logged on and I got error while loading shared libraries: libstdc++.so.6: cannot open shared object ...
8
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1answer
1k views

Does Ubuntu automatically release memory allocated by a C program as the program terminates?

I have written a C program containing code allocating memory using the malloc() function. If I don't free up the memory using the free() function, will Ubuntu release it automatically?
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1answer
100 views

How to install a custom library written in C?

I want to install Stanford Portable Library on my system (Ubuntu 14.04). Can anyone please instruct me how to do it?
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2answers
307 views

Ubuntu Terminal: C program (or other solutions) to kill processes running on a specific port and start xampp [closed]

Can anyone help me? The program's objective is to kill the processes running on port 443 and to then start xampp automatically. What I've done: #include <stdio.h> #include <stdlib.h> ...
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0answers
29 views

How to run a compiled cpp file after booting up the system [duplicate]

I am using an arm v7 soc system which runs ubuntu very well. I can run my compiled cpp file (compiled with g++) perfectly from terminal by ./myproject. However i want code to start automatically ...
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0answers
15 views

conio.h header file giving an error during compiling C program in ubuntu [duplicate]

My code for a simple C program is #include<stdio.h> #include<conio.h> void main() { printf("This is demo program \n"); getch(); } when I am trying to run this c program. I am ...
7
votes
1answer
209 views

How to log bash history by editing bash source?

I'm using bash-4.3.30. I need to log all my commands history on a single file. I can do that by editing the bashrc or bash_profile but I'm not going to do that. I want to play with bash source ...
4
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1answer
246 views

How to compile programs that use term.h?

I try to compile the code below: #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <term.h> //#include "/usr/include/term.h" void clear_screen(void) { ...
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Setting up environment for Nvidia OpenGL Samples with Netbeans

As title, I would like to set up the environment for the Nvidia OpenGL Samples with Netbeans. You can find the SDK here In Netbeans I tried to choose the first one.. I gave it the directory with ...
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1answer
50 views

Abnormal behaviour of malloc() fuction?

I was playing around with alloc functions in my Ubuntu 14.04 64-bit, gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1) and found that malloc returns memory with initializing it to zero. Which is quite weird ...
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1answer
22 views

Install Ubuntu on Drive C Only

How do I install Ubuntu on Drive C only? I backed up all my data on Drive D and I'm afraid that I might lose them all.
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2answers
116 views

GCC Fatal Error

everyone Here's my problem; So, I'm new to Ubuntu and programming and I just wanted to start with C. I created the classic "hello.c" file #include <stdio.h> main () { printf("Hello ...
0
votes
1answer
79 views

Ubuntu Kernel Source Code for NAT Firewall [closed]

In TCP Communication, when the packet is being transferred from ethernet to network(IP) layer, I want to print the data present in that packet? I am working on linux (ununtu 14.04). I got some ...
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1answer
178 views

How to run C program on 14.04?

I'm trying to run some C programs using Geany and Code::Blocks. After coding them, when I run them, a message is showed in the terminal like this: In Code::Blocks: sh: 1: /home/c program files/2: ...
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51 views

how to install GLU files in ubuntu 14.04?

I am running Ubuntu 14.04. I am trying to execute a opengl code in C in but during compilation it is not accepting glu files but my code contains it. how should I include glu files during ...
2
votes
1answer
112 views

Can't compile tiny C code which uses librsvg

I am almost complete noob in linux world and I use Ubuntu 14.04 LTS with gnome-session-fallback (compiz) under VirtualBox on Windows 8.1 machine. My goal is to use this library: ...
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129 views

CODEBLOCKS - warning: GDB: Failed to set controlling terminal: Operation not permitted

I've installed Code::Blocks 13.12 in Ubuntu 14.04 through official repositories. When I compile, everything goes OK. But when I debug, the following message is shown at the sheel: warning: GDB: ...
0
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1answer
42 views

Problem with compiling C code in terminal

I've been having a problem with compiling. I used the following test C code below and saved it as test.c in Home folder. #include <stdio.h> int main() { printf("Bruh!"); return 0; } ...
2
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0answers
182 views

Undefined reference error while using custom system call in kernel 3.19

I'm trying to import new system call in the kernel 3.19. I've followed the tutorial given here! This is my simple code to implement factorial calculation via system call. #include ...
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0answers
11 views

Move/associate window from one group to another

I'm looking for a cross linux way to move a window from one group to another group. I thought of and tried this way but it didnt work, i share a screencast showing it doesnt work. In this screencast ...
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0answers
21 views

Dissociate window from .esktop file and chane icon with XChangeProperty

This is copy paste code that can be compiled with gcc -o icon icon.c -L/usr/X11/lib -lX11 -lstdc++. It opens a new window and sets its icon with XChangeProperty on _NET_WM_ICON. This proves it works ...
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0answers
62 views

Compiling an individual kernel module (Debian/Ubuntu)

I need to modify the ELF loader's kernel implementation of an Ubuntu 14.04 distribution. Having downloaded the sources using: sudo apt-get source linux-image-$(uname -r) I ran the configuration ...
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32 views

Menubar appears on different location using GLADE3 and GTK3.0

I have program develop using glade3 and GTK3.0 and C It is working well yesterday. However today the menubar ( " File Edit View Help " ) did not appear in my application window but goes to the very ...
2
votes
1answer
180 views

How do I handle a “No such file or directory” error for a header file from make?

When compiling a source package, I got an error from make that looked like: In file included from foo.c:28:0: bar.h:23:18: fatal error: bar.h: No such file or directory #include <bar.h> ...
0
votes
1answer
60 views

Geany no support greek language

I am using Geany for C programming. My code contains some greek sentences,I set the Default Encoding to GREEK(ISO-8859-7), but when I try to execute the program the greek letters show up like this. ...
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0answers
99 views

Communication between two PC via bluetooth

My problem is, that I try to get a connection between two PC with ubuntu. I'm programing in C/C++ and use the tuturial from Cubieboard. First step i did was the command: apt-get install bluez ...
5
votes
2answers
738 views

Python.h found by locate but not by GCC

I just wrote a simple C executable to check if Python.h is working or not #include<Python.h> #include<stdio.h> int main() { printf("this is a python header file included programm\n"); ...
0
votes
1answer
68 views

Any c functions to simulate double click on file?

I have some .desktop files and am looking for c functions that make it as if user double clicked on the .desktop files. Here are my desktop files: https://www.youtube.com/watch?v=Yc19BzLTnDE Thanks
0
votes
1answer
137 views

Connecting multiple serial ports

I am trying to communicate serially using bluetooth. I have tried to send a character serially to a program1.c program and it is reading it. I would like to use the same serial port /dev/rfcomm0 so ...
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0answers
24 views

Can i use “gksu” to became root for CLI operation?

I don't care if this is unsafe, because i'm only doing it as a programming exercise, but that's what i want to do: I want to create a C program that, with the "system" command, will call dpkg and ...
5
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2answers
191 views

C Using Libraries Without IDE [closed]

This may be a stupid question. How do you use C libraries without an IDE? I want to only use a text editor.
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44 views

mount ecryptfs with syscall in C language

I am trying to mount an fs with ecryptfs in a program in C. But I don't manage to give to the kernel part the key int mount_crypt(char* source) { int r = -1; char opt[1024] = ...
0
votes
1answer
49 views

Ubuntu: “X” mark on the top-right corner of respective file icons

I am new to ubuntu/ linux. Hence, please accept my apology for asking very trivial questions. Also, I googled; but, did not find suitable answer. I installed a third party lib: Taucs (location on my ...
0
votes
1answer
58 views

Where are the headers with IOCTL numbers for ext4?

I am looking for ext4.h, or another file that contains EXT4_IOC_*. There is nothing in /usr/include or /usr/src. I have linux-headers-generic installed. I am on Kubuntu 14.10. Where are the headers? ...
0
votes
1answer
303 views

fatal error: linux/err.h: No such file or directory [duplicate]

What package should install for this header (err.h) is available? I need this library (linux/err.h) to compile a proprietary driver (kernel module) in Ubuntu 14.04 Server/Desktop 64bits