C is a general-purpose programming language

learn more… | top users | synonyms

0
votes
0answers
110 views

Help for create a GTK app using Glade xml file. (version 3 of both)

(scuse my for my english, I'm french) Hy, I'm pretty comfortable with C and I was looking for next level with graphical interface, I try SDL but it's not what I want, I need to create native system ...
1
vote
1answer
69 views

Monitoring resource usage by single application over period of time

I am looking for an utility which can monitor the resource usage (CPU & RAM) by an application. I have an third party application which runs as service, once started, it will receive requests ...
1
vote
1answer
331 views

Confused about how to compile modsecurity module for apache in Ubuntu 14

After I followed the instructions in Building Custom ModSecurity Modules section in modsecurity dev guide in order to compile mod_tfn_reverse.c using the command apxs -ca mod_tfn_reverse.c, I'm still ...
0
votes
1answer
31 views

How do I change the final location of a compiled c program in the terminal

After a c program is compiled it is stored in ./a.out. Is there any way in which I can change the file to any name I want?
0
votes
1answer
73 views

How can I get my terminals / shells to have custom designs in it?

How can I add fun stuff to my terminal so I have extra zazz for when I break every thing every day! :D I'm learning C / C++ and think root projects and custom terminals would be fun way to practice ...
0
votes
0answers
133 views

Is there any step by step instructions to make Eclipse Mars look and feel like Visual Studio for Ubuntu?

I have been using Visual Studio ever since Visual Studio 6.0 and I like the way the IDE is arranged. I love the dragging and dropping of controls onto the GUI and the event driven programming. ...
2
votes
0answers
70 views

Can't call gnome-screenshot in C

I want to call the command gnome-screenshot -ac in my C program using system("gnome-screenshot -ac") or exec() but they didn't work. I'm sure that this command works well because I can use it in the ...
2
votes
0answers
61 views

Where's device file of the sound card?How can I play by C

In /dev, I just find /dev/console, rather than /dev/dsp, /dev/audio, etc., which friends told me the device file of sound card in Linux. Now, I want to play music and change the volume by C in Ubuntu ...
1
vote
1answer
31 views

Help following instructions (stuck at editing a file)

I'm following these instructions. This is what I've done so far: Installed JDK Downloaded NDK & SDK, extracted them and MOVED them to usr/src Configured my $PATH Ran android and now I'm ...
1
vote
1answer
122 views

bash - can shellcode be made from a bash script?

I was thinking it can't, since there's not really a binary for bash scripts, but having to write a C program every time you need to generate shell code for a single command is just a pain.
1
vote
1answer
184 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 ...
0
votes
2answers
186 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 ...
0
votes
1answer
341 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 ...
2
votes
0answers
55 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 ...
0
votes
0answers
56 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 ...
0
votes
0answers
167 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 ...
0
votes
1answer
39 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 ...
1
vote
1answer
24 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
votes
1answer
134 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 ...
0
votes
2answers
165 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 ...
0
votes
0answers
25 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 ...
11
votes
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?
1
vote
1answer
511 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?
3
votes
2answers
536 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> ...
0
votes
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 ...
7
votes
1answer
305 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
votes
1answer
687 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) { ...
1
vote
1answer
75 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 ...
0
votes
1answer
35 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.
1
vote
2answers
2k 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
209 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 ...
3
votes
1answer
1k views

Location of USB header files for Include

I'm working on porting a Windows application to Ubuntu 14.04. The application is a host-side GUI for a USB device that uses the generic HID interface. I need to Include the header files for the ...
1
vote
1answer
2k 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: ...
2
votes
1answer
300 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: ...
0
votes
1answer
96 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
votes
0answers
362 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 ...
1
vote
1answer
433 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
96 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. ...
5
votes
2answers
5k 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
115 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
5
votes
2answers
258 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.
0
votes
1answer
127 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 ...
1
vote
1answer
138 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
880 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
2
votes
1answer
2k views

Where are header files for gcc located?

I want to manually add some header files like math.h and graphic.h for gcc but don't know where to put them.
1
vote
1answer
3k views

Lightweight C/C++ editor with code completion and debugging

Ever since the debugger plugin for geany stopped working (see below), I am looking for an editor for C/C++ source files with the following features: Code completion (i.e., Intellisense-like ...
1
vote
0answers
111 views

Fullscreen Detection Algorithm for lockscreen/screensaver

I'm working on a cross linux fullscreen detection algorithm, for use in detecting lock screen and screensaver. This is what I have so far: Check if _NET_WM_STATE_FULLSCREEN is supported, if it is ...
0
votes
1answer
703 views

Using mysql in C programming [closed]

I installed ubuntu on a virtual machine.There,I installed mysql server(sudo apt-get install mysql-server) .This worked, because I could acces mysql-u root -p password. After that,I did : sudo apt-get ...
2
votes
1answer
538 views

Gnuplot - Save result

I create a graph that changes each second using gnuplot.Now, I want to save this graph as gif or png file when my program finishes. How can I do? My C code is below FILE *pipe = popen("gnuplot ...
2
votes
1answer
120 views

GNU C - Signals never arrive to the handler

I'm working on a university project which needs to be written in GNU C and run on Ubuntu server. My primary OS at home is Ubuntu 14.04 on my PC. The project is about multi thread programming and I ...