Can we use strings with scanf?
Mike Parker
aldacron at gmail.com
Mon Jan 25 10:33:14 UTC 2021
On Monday, 25 January 2021 at 09:16:11 UTC, Rempas wrote:
> For printf() we can use this format `"%.*s", cast(int)s
> s.length, s.ptr`. When trying to use the same for scanf(), it
> says that this specifier is invalid.
The * has a different meaning for scanf than for printf ([1] vs
[2]).
There's also the issue that a string is immutable(char)[].
If you really, really, really, must use scanf:
```
char[bufSize] buf;
scanf("%s", buf.ptr);
```
But please don't. This is D, not 1990s C.
[1] https://www.cplusplus.com/reference/cstdio/scanf/
[2] https://www.cplusplus.com/reference/cstdio/printf/
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