75 lines
1.4 KiB
C
75 lines
1.4 KiB
C
# Host files
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File path: `out/dir/api.rs`
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```rust
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// Host code
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/* Rust API */
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#[derive(Debug)]
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pub enum Commands {
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/// Call out an outstanding person
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#[allow(non_camel_case_types)]
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call_me_back_outstanding { callback: fn(String) -> String },
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One(one::One),
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}
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pub mod one {
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#[derive(Debug)]
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pub enum One {
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/// Call out a person
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#[allow(non_camel_case_types)]
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call_me_back { callback: fn(u32) },
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}
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}
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/* C API */
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#[no_mangle]
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pub extern "C" fn call_me_back_outstanding(
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callback: fn(String) -> String,
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) -> core::ffi::c_int {
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callback_function(call_me_back_outstanding);
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return 1;
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}
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pub mod one_c {}
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#[no_mangle]
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pub extern "C" fn one_call_me_back(callback: fn(u32)) -> core::ffi::c_int {
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callback_function(one_call_me_back);
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return 1;
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}
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// vim: filetype=rust
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```
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# Auxiliary files
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File path: `dist/interface.h`
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```c
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#if !defined TRIXY_MAIN_HEADER
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#define TRIXY_MAIN_HEADER
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#include "errno.h"
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#include "string.h"
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#include "vec.h"
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/**
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Call out an outstanding person
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*/
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extern int
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call_me_back_outstanding (const char *(*name) (const char *name)callback);
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/**
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Call out a person
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*/
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extern int one_call_me_back (void (*name) (uint32_t age) callback);
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struct one
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{
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int (*call_me_back) ();
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};
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const struct one one = {
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.call_me_back = one_call_me_back,
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};
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#endif // if !defined TRIXY_MAIN_HEADER
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// vim: filetype=c
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```
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