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While compiling a C file in windows I get three files a .c file a .o file and a .exe file, now if i want to distribute my program I will give .exe file. But after compiling a .c in ubuntu I can't find the executable file which will run directly on other system by just clicking it.
The default file name is a.out, but you can specify another filename with gcc a.c -o my_executable.
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Closed 2 years ago.
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I know there have been similar questions but none of them seem to solve my problem. After successfully compiling my code, I got an "Access is denied." message from my command prompt after trying to run it (picture below).
The code I'm trying to run in a file named dummyC.c is:
#include <stdio.h>
int main (void) {
printf("Hello");
}
For context, I'm using Windows 10 64-bit. The GCC version (GCC -v) is MinGW 9.2.0, also in the attached picture. Is there any way I could solve this?
EDIT: The problem was my Avast antivirus flagging the output file a.exe as a Trojan or a virus. The problem was solved after I temporarily disabled all Avast shields.
I believe that your project is not in the correct place for the compiler to execute it, if it is on the desktop try to transfer it to a folder created in c:
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Closed 4 years ago.
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I have downloaded a .nsi file and now I have to launch this to get my missing Windows registry keys installed. I tried different things to open it but so far everything didnt work. Can anyone please tell me how to run this kind of files?
A .nsi file is an input to the process that creates an executable. You need the Nullsoft Scriptable Install System compiler: https://nsis.sourceforge.io/Download
More info: https://nsis.sourceforge.io/Simple_tutorials
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I'm sure there's a way. I'm new to C and my research on this led me nowhere.
Is there a command that can convert a .o file to .c?
Usually you can only determine the assembly language for the object file, using a disassembler. Here are a few links to discussion on that topic, e.g., for objdump:
objdump - GNU Binary Utilities
Disassembling a binary in Linux
Using GCC to produce readable assembly?
Linux Interactive DisAssembler
Reverse-compiling (decompiling) is much harder. Here are a few links to help:
convert executable back to C source code
Reverse Engineering Resources - Decompilers
.o file has object code and cannot be converted back to its original .c file having high level code . It is just like the fact that chewed food cannot be converted back to its solid form.
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Closed 8 years ago.
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I'm trying to create a C program whose goal is to enable_irq and disable_irq.I have include linux/irq.h like that
#include <linux/irq.h>
And when I compile :
gcc myProgram.c -o myExecutable
I have the error : fatal error : linux/irq.h no file or folder find
What package I have to install? I'm on archLinux.
You cannot disable IRQs from a userspace application. Those functions are only available within the kernel.
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I'm using Ubuntu.
I wrote a program in C which interacts with a Mysql Database
The compilation process goes smoothly (excepts several warnings) and I get the executable.
How do I run it in Ubuntu?
I mean, I use this command :
gcc -o magazzino main_magazzino.c -L/usr/include/mysql -lmysqlclient
How do I run magazzino?
if it is in the current directory, run ./magazzino
Usually:
./magazzino
The dot and slash are to tell the shell that you mean the executable in this current directory - otherwise it would search for the program in its $PATH and probably not find it. (Although it's possible to have the current directory in your PATH, this is a bad idea and not recommended for security reasons.)
Just use
/path/to/magazzino
And if your current_folder is same with where magazzino stored use
./magazzino
In the directory type in,
./magazzino