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Activity for kluttâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Comment | Post #278837 |
@CharlieBrumbaugh†Yes it is. Those are pretty common in C where exceptions would be used instead in C++ and Java. Feel free to rewrite it as an answer. (more) |
— | over 3 years ago |
| Edit | Post #278837 |
Post edited: |
— | over 3 years ago |
| Edit | Post #278837 | Initial revision | — | over 3 years ago |
| Question | — |
Counting number of assignments that a `fscanf` format strings implies I'm writing a function that counts the number of assignments for a `fscanf` format string. I studied the documentation in C standard 7.21.6.2 It looks like it works. It passes all test cases I have written and yields no warnings with `-Wall -Wextra -pedantic -std=c17`. While I appreciate design ad... (more) |
— | over 3 years ago |
| Comment | Post #277217 |
You were assuming right. I have edited the question, so you might want to remove that part. (more) |
— | over 3 years ago |
| Comment | Post #277375 |
The general answer to "Will X make Y faster?" is "Try it and measure" (more) |
— | over 3 years ago |
| Comment | Post #277331 |
@chris-barry You're correct. That was just a typo that i missed several times. Question is corrected with a `&`. Sorry for any inconvenience. (more) |
— | over 3 years ago |
| Edit | Post #277215 |
Post edited: |
— | over 3 years ago |
| Edit | Post #277215 |
Post edited: |
— | over 3 years ago |
| Comment | Post #277331 |
Are you saying that my code would not compile because it's not in a function? I just did not include that code, but the question is changed now. (more) |
— | over 3 years ago |
| Edit | Post #277266 |
Post edited: |
— | over 3 years ago |
| Edit | Post #277266 |
Post edited: |
— | over 3 years ago |
| Edit | Post #277266 | Initial revision | — | over 3 years ago |
| Answer | — |
A: Should I cast to (void) when I do not use the return value This is a bit opinionated, but personally, I would not do it. It would just clutter the code and could hide sources of bugs. But it depends a lot on what function it is. It's also hard to give a very general answer to this. In many cases, the proper answer is "No, you should instead use the retur... (more) |
— | over 3 years ago |
| Comment | Post #277215 |
@kami Nope, that line is exactly as it should be. (more) |
— | over 3 years ago |
| Comment | Post #277215 |
@olinlathrop Except that `arr[10]` is legal to point at, but not `arr[11]` ;) I mostly posted this question to get this site going. (more) |
— | over 3 years ago |
| Edit | Post #277215 | Initial revision | — | over 3 years ago |
| Question | — |
Is it undefined behaviour to just make a pointer point outside boundaries of an array without dereferencing it? I have heard that it is undefined behaviour to make a pointer point outside boundaries of an array even without dereferencing it. Can that really be true? Consider this code: int main(void) { char arr[10]; char ptr = &arr[-1]; char c = ptr; } The line `... (more) |
— | over 3 years ago |
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