[libc-commits] [PATCH] D77626: [libc] Add very basic stdio FILE and fwrite
Alex Brachet via Phabricator via libc-commits
libc-commits at lists.llvm.org
Mon Apr 13 10:12:24 PDT 2020
abrachet marked 6 inline comments as done.
abrachet added inline comments.
================
Comment at: libc/config/linux/api.td:23
+ let Decl = [{
+ typedef void FILE;
+ }];
----------------
MaskRay wrote:
> You can just use the real underlying type `typedef struct _IO_FILE FILE;`
>
> It is not required to be complete.
I've gone with `typedef struct FILE FILE`
================
Comment at: libc/src/stdio/FILE.h:20
+
+struct FILE {
+ mtx_t lock;
----------------
MaskRay wrote:
> `FILE` needs to be a typedef to a struct.
This is an internal (C++) header.
================
Comment at: libc/src/stdio/FILE.h:24
+ void *cookie;
+ cookie_write_function_t *write;
+};
----------------
MaskRay wrote:
> fopencookie is a use case. The type does not need to mention `cookie_*`.
`cookie_write_function_t` is a type which must be exposed for `fopencookie`. That doesn't mean we need to refer to the internal type by that name though so I have just called it `write_function_t`
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D77626/new/
https://reviews.llvm.org/D77626
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