All Questions
7,715
questions
1
vote
0
answers
33
views
How do I make CMake find default system libraries to link against without manual script manipulation?
I am trying to build a CMake project on my new pc, I have installed the appropriate Windows 10 Dev kit. But when trying generate the build files using cmake, I am getting linking errors by the cmake's ...
- 122
-8
votes
0
answers
60
views
Windows Logon Screen Keylogger in C [closed]
I got this code for keylogging in C. It does not work for Windows OS logon screen, I think that OS blocks it somehow. What can be done to allow logging in the login screen?
#include <stdio.h>
#...
- 5
-10
votes
0
answers
70
views
"undefined reference to `WinMain@16'" error in VS Code. Same program runs fine in online compilers [closed]
c:/mingw/bin/../lib/gcc/mingw32/6.3.0/../../../libmingw32.a(main.o):(.text.startup+0xa0): undefined reference to `WinMain@16'
collect2.exe: error: ld returned 1 exit status
This error happens every ...
-2
votes
0
answers
71
views
Only the First Line of Output is Printed in C Program in VS Code on Windows Using MinGW
In C program only the first line of output is printed when I run the compiled executable. Despite the program compiling without errors, the subsequent lines do not appear.
Details:
Operating System: ...
- 19
0
votes
1
answer
28
views
How to open Audit Process Creation by coding?
enter image description here
Local Group Policy Editor->Local Computer Policy->Computer Configuration->Windows Settings->Security settings->Advanced Audit Policy Configuration->...
-2
votes
0
answers
53
views
GCC path wrong. How to set GCC path and add to environment variables [closed]
Not able to execute a program in C in VSCode it is giving this error message
The terminal process failed to launch: Path to shell executable "c:\Users\manda\OneDrive\Desktop\gcc" does not ...
0
votes
0
answers
29
views
C:\Users\DELL\AppData\Local\Temp\cctSSakm.o:test.c:(.text+0x1e): undefined reference to `get_string' collect2.exe: error: ld returned 1 exit status
I see the error
c:\Users\DELL\AppData\Local\Temp\cc61L1BV.o:test.c:(.text+0x1e): undefined reference to `get_string'
collect2.exe: error: ld returned 1 exit status
C
#include <stdio.h>
#include ...
- 1
1
vote
1
answer
83
views
What is the difference between these two functions in x64 assembly?
I'm playing around with lower level stuff in C on Windows (x64) to try and learn low level concepts. I ran across something I don't understand and just wonder if someone could explain something to me....
1
vote
1
answer
43
views
What API call will tell me the number of PIN attempts remaining on a smartcard?
I am successfully retrieving certificates and their private key as follows:
PCCERT_CONTEXT cert = NULL;
if (!(cert = CertFindCertificateInStore(sys, X509_ASN_ENCODING, 0, CERT_FIND_EXISTING, ...
- 1,075
0
votes
1
answer
66
views
Has Windows a C API for Linked List in user space?
I found LIST_ENTRY.
The page states Kernel-Mode Driver Reference. And clearly, I did not manage to use it in user space as expected.
Here is my test:
#include <windows.h>
#include <stdio.h&...
- 3,082
0
votes
0
answers
33
views
How can I declare a pointer to a constant struct literal that uses a flexible array in C if possible? [duplicate]
So I wanted to store some constant text and data for parts of a level in a game in a struct, then put pointers for all those structs in a struct for each level, and pointers for all the level structs ...
0
votes
0
answers
82
views
Is it possible to turn the display off knowing the monitor handle [duplicate]
I can control the monitor brightness using DeviceIoControl and handle to the display device:
handle = CreateFile(monitor, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
But I also ...
- 64k
2
votes
0
answers
34
views
How to reference data added to the end of position independent shellcode in Windows x86
I have a C program that parses the PEB and gets kernel32.dll and then with a custom GetProcAddress it gets the address to LoadLibrary. After that I get the address of MessageBoxA. My goal is to ...
- 21
0
votes
1
answer
54
views
Can I keep the handle open for the whole program lifetime
I have a class for my Windows application which controls the panel brightness.
h = CreateFile(displayName,
GENERIC_READ | GENERIC_WRITE,
0,
NULL,
...
- 64k
1
vote
0
answers
47
views
vcpkg doesn't install .so or .a files for libmagic C library
I am attempting to use libmagic in a rust project, using the magic rust crate which provides rust bindings for the libmagic C library. Instructions for Windows say to install libmagic using vcpkg, ...
- 1,070