translate C struct char array into D
russhy
russhy at gmail.com
Fri Jul 30 21:53:48 UTC 2021
On Friday, 30 July 2021 at 14:05:58 UTC, workman wrote:
> I get want to define this struct in D:
>
> ```c
> struct test1 {
> struct test1 *prev;
> struct test1 *next;
> size_t v1;
> size_t v2;
> size_t v3;
> char data[];
> };
> ```
>
> ```d
> struct test1 {
> test1 *prev;
> test1 *next;
> size_t v1;
> size_t v2;
> size_t v3;
> char* data;
> };
> ```
>
> when I compare the size, test1.sizeof is 48 and sizeof(struct
> test1) from C is 40.
>
> Anyone can explain what should I do with this ?
>
> If I use test1 as member of other struct, the total size will
> not match.
```d
struct test1 {
test1 *prev;
test1 *next;
size_t v1;
size_t v2;
size_t v3;
char[0] data;
}
```
data.ptr to access its pointer
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