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Activity for Mythical Programmer
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Comment | Post #278837 |
Does the code handle `%%`, which means a single `%` in the input? The POSIX specification for [`scanf()`](https://pubs.opengroup.org/onlinepubs/9699919799/functions/scanf.html)
also provides some options your code does not consider — conversion specifiers `S` and `C`, the modifier `m`, and the `%n$... (more) |
— | over 2 years ago |
| Edit | Post #278848 |
Post edited: The two mismatched double-character length modifiers should have different sequences hl and lh |
— | over 3 years ago |
| Comment | Post #278848 |
@klutt — I took your code from PasteBin and added a test for `%s%n` (expecting 1), and got the output `%s%n 1 1 2` followed by an assertion failure for `(count == warnings)`. The trouble is that `%n` requires a matching `int *` argument, but it doesn't get counted as a conversion. (more) |
— | over 3 years ago |
| Edit | Post #278848 |
Post edited: |
— | over 3 years ago |
| Edit | Post #278848 |
Post edited: Note about %hld etc. |
— | over 3 years ago |
| Edit | Post #278848 |
Post edited: Remove an unnecessary `%` in the second complex scan set. |
— | over 3 years ago |
| Edit | Post #278848 | Initial revision | — | over 3 years ago |
| Answer | — |
A: Counting number of assignments that a `fscanf` format strings implies Just looking at your code, I think you'll need to look at a few nasties in scan sets: `%[^]%a-z]` stops at the second `]`, not the first, for example, and I think your code would misconstrue the `%a` as a conversion rather than part of the scan set. Likewise `%[]%[a-z]`; the one scan set there ... (more) |
— | over 3 years ago |