408,306 questions
-2
votes
0
answers
33
views
Linux Sockets Correct Syntax Gcc Console App compiles with list of undefined errors unexplained? [closed]
#include <stdio.h>
#include <string.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <netdb.h>
#include &...
-5
votes
0
answers
75
views
Why does it keep promting me? [closed]
When I run this code:
#include <stdio.h>
#include <cs50.h>
int main(void)
{
int counter = 0; // Initialitzate counter
const int increment_every_time = get_int("What number do ...
2
votes
0
answers
56
views
Android (Linux) libc problems when creating an execuatable shared object
I have 2 files:
crt.c:
const char service_interp[] __attribute__((section(".interp"))) = "${LD_SO}";
extern void _exit (int __status) __attribute__ ((__noreturn__));
int main();
...
- 867
2
votes
0
answers
63
views
Packet corruption in Lockless ring buffer (multiple producer, single consumer)
I Am implementing Lockless ring buffer for multiple producer and single consumer (keeping in plan to extend it to multiple produce and consumer)
using design reference of dpdk buffer : https://doc....
1
vote
1
answer
50
views
The NEO-8M produces incomprehensible characters
I have that code:
#include <stdio.h>
#include <stdbool.h>
#include <unistd.h>
#include "esp_system.h"
#include "esp_timer.h"
#include "freertos/projdefs.h&...
- 31
-2
votes
0
answers
77
views
Which compiler optimizations can break code without volatile when calling through function pointers? [closed]
Here is the code:
void (*volatile sys_func)(void);
void
main(int argc, char **argv) {
int i, j;
for (j = 0; j < 3; ++j) {
for (i = 0; i < 10000; ++i);
sys_func();
}
...
- 37
1
vote
0
answers
56
views
Possible to Use Source Files Outside the Workspace Root?
I'm trying to use C source files that are located outside my Ceedling project root. My repository has shared code in a common/ folder at the repo root, but my Ceedling project is in boards/CANGateway/....
- 11
Best practices
1
vote
12
replies
112
views
C memory initialization for a char** after a malloc
I've been researching this for a day and I've found a lot of conflicting information on multiple websites. I'm writing a simple test that will allocate and initialize a char** (array of strings, char*...
- 39
1
vote
0
answers
102
views
Monitoring changes to variables programmatically
This is a follow up to my previous question about creating a debugger for C source files in Python. The current issue I am facing is monitoring changes to variables. I want to monitor 8 variables say ...
- 363
-9
votes
0
answers
56
views
Unable to open Snapshot using VDDK [closed]
{"level":"error","ts":1764409482.772595,"caller":"vddk-service/service.go:125","msg":"Failed to open disk","error":"...
- 1,178
4
votes
3
answers
127
views
The reason of there being constraints on the second argument of `va_start()`
I've found that there are conditions that the second argument of va_start(ap, last) must satisfy, which are:
last must not be a register variable
last must not be a function
last must not be an array
...
- 441
-3
votes
0
answers
72
views
Whitesmith autoindentation of C/C++ code in VSCode [duplicate]
How can I get autoindentation to use Whitesmith style for C/C++ files in VSCode? I use Microsoft C/C++ Extension pack and clang-format. "Format Document" works ok with C/C++ files.
- 161
2
votes
1
answer
122
views
Is it possible to load a function symbol from an executable
I have 2 files:
foo.c:
#include <stdio.h>
int Main(int a) {
printf("A%dB",a);
}
int main() {
return Main(1);
}
bar.c:
extern int Main(int);
int main() {
return Main(2);
}
...
- 867
1
vote
0
answers
37
views
__TMS320C28XX__ are not defined at ccs20.3 when using F2800137 cputimer function [closed]
When I use the F2800137 DSP chip to develop a CPU timer code with ccs20.3 version, I find that the macro named __TMS320C28XX__ in cputimer.h file is not defined, which leads to me not being able to ...
- 41
-3
votes
4
answers
152
views
Would a 500+ case switch statement be possible with 8KB of CPU instruction cache? What alternative should I use?
Okay, this isn't exactly a typical programming situation. I wanna make a pokemon-like homebrew game for the nintendo DS (I know I could use C++, but I only know C so I'm just trying to code in C for ...
