ahupp

Python 3.8.3 (default, May 14 2020, 11:03:12)
[GCC 9.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> class A:
...   def __init__(self):
...     print("A.__init__")
...     raise Exception()
...   def __del__(self):
...     print("A.__del__")
...

ahupp

$ gcc capi.h 
capi.h:6:4: warning: '/*' within block comment [-Wcomment]
 * /**
   ^
capi.h:9:3: error: expected identifier or '('
 */
  ^
capi.h:12:19: error: unknown type name 'Foo'
void a_func(const Foo *foo);
                  ^

ahupp

#include <stdint.h>
#include <stdlib.h>
#include <stdbool.h>

/*
 * /**
This is a doc
*/
 */
typedef struct Foo Foo;

ahupp

/**
This is a doc
*/
pub enum Foo {
  Bar,
}

#[no_mangle]
pub unsafe extern "C" fn a_func(foo: *const Foo) {}

ahupp

diff --git a/magic.py b/magic.py
index cd5ff24..10685ac 100644
--- a/magic.py
+++ b/magic.py
@@ -193,14 +193,15 @@ def coerce_filename(filename):
         return None
 
     # ctypes will implicitly convert unicode strings to bytes with
-    # .encode('ascii').  A more useful default here is
-    # getfilesystemencoding().  We need to leave byte-str unchanged.