Lundin‭

The C standard does not speak of "errors" and "warnings", those are not formal terms. The compiler is only required to produce a diagnostic message, as specified in C11 5.1.1.3: Diagnostics A c...

posted 4y ago by Lundin‭  ·  edited 3y ago by hkotsubo‭

So it appears that we've gotten our first "company tag", Apple. We know from SO that company name tags were always problematic since: Questions are about products, not companies. Given that the pr...

1 answer  ·  posted 4y ago by Lundin‭  ·  last activity 4y ago by Alexei‭

The C language has gone through many iterations and the latest one not yet released is informally called "C23", supposedly because they hoped to release it in 2023. The latest draft version N3096 i...

1 answer  ·  posted 1y ago by Lundin‭  ·  edited 6mo ago by Lundin‭

What exactly must a C compiler do when it finds a compile-time error? The most obvious kind of errors are language syntax errors, but the C standard also speaks of constraints, which are rules tha...

1 answer  ·  posted 4y ago by Lundin‭  ·  edited 3y ago by ghost-in-the-zsh‭

By having decent source code formatting that isn't completely inferior to other sites like Stack Overflow. We might want to post/view snippets longer than 13 lines without suffering some scroll whe...

posted 3y ago by Lundin‭

Whenever registering to diverse sites on the net, you are often forced to enter a so called "strong password", which would ideally contain both upper case letters, lower case letters, digits, and s...

4 answers  ·  posted 1y ago by Lundin‭  ·  last activity 10mo ago by Michael‭

C23 will be a major revision, certainly the biggest one since C99. It contains lots of changes and new features, both big and small. The linked draft in the question contains a complete list of cha...

posted 1y ago by Lundin‭  ·  edited 10mo ago by Lundin‭

I heard rumours that the strcpy function is dangerous and shouldn't be used. Supposedly it can be exploited to create buffer overflows somehow. And indeed when I compile my C code in the admittedl...

2 answers  ·  posted 4y ago by Lundin‭  ·  last activity 1y ago by Lundin‭

The concept you are looking for is referred to as opaque type or opaque pointers. This is the proper method to achieve private encapsulation in C and can also be used for inheritance/polymorphism (...

posted 3y ago by Lundin‭  ·  edited 2y ago by Lundin‭

We can't go and shamelessly promote Codidact in SO comments etc just for the sake of it - that's regarded as spamming and might get you banned, plus it will give Codidact a nasty rep. Similarly, SE...

posted 4y ago by Lundin‭  ·  edited 4y ago by Lundin‭

What exactly does the static keyword do in C? I have seen it used in several diverse contexts: 1) As a variable outside a function: #include <stdio.h> static int x = 5; int main (void) ...

2 answers  ·  posted 3y ago by Lundin‭  ·  last activity 12mo ago by aghast‭

"Stack vs heap" is a common over-simplification and not really a meaningful one, since those two areas have quite different, specialized uses. And no, those are not the only memory regions used by ...

posted 4y ago by Lundin‭  ·  edited 4y ago by sth‭

After some more experience from this bot over a couple of months, I would say that we should ban it simply because: The answers it gives are often wrong. ChatGPT has been hyped up ridiculously. I...

posted 2y ago by Lundin‭

My recommended beginner setup for gcc-like compilers is: -std=c11 -pedantic-errors -Wall -Wextra -Werror Here is an explanation of what these options do: -std=c11. gcc & friends are by d...

posted 4y ago by Lundin‭

Storage class specifiers static is strictly speaking a storage class specifier, which is an attribute given to a variable or a function stating how it is allocated, how it is accessible and how lo...

posted 3y ago by Lundin‭  ·  edited 12mo ago by Lundin‭