Posix bindings

pkgs/hooks/example/build/native_add_library/constants-ffigen.yaml

@@ -0,0 +1,31 @@
+# Run with `flutter pub run ffigen --config ffigen.yaml`.
+name: NativeAddBindings
+description: |
+  Bindings for `src/native_add_library.h`.
+
+  Regenerate bindings with `flutter pub run ffigen --config ffigen.yaml`.
+output: 'lib/src/constant_bindings.dart'
+headers:
+  entry-points:
+    - 'src/constants.g.h'
+
+  include-directives:
+    - 'src/constants.g.h'
+preamble: |
+  // Copyright (c) 2023, the Dart project authors.  Please see the AUTHORS file
+  // for details. All rights reserved. Use of this source code is governed by a
+  // BSD-style license that can be found in the LICENSE file.
+comments:
+  style: any
+  length: full
+ffi-native:
+
+structs:
+  rename:
+    'my_(.*)': '$1'
+functions:
+  rename:
+    'my_(.*)': '$1'
+typedefs:
+  rename:
+    'my_(.*)': '$1'

pkgs/hooks/example/build/native_add_library/constants.json

@@ -0,0 +1,32 @@
+[
+    "S_IEXEC",
+    "S_IFBLK",
+    "S_IFCHR",
+    "S_IFDIR",
+    "S_IFIFO",
+    "S_IFLNK",
+    "S_IFMT",
+    "S_IFREG",
+    "S_IFSOCK",
+    "S_IFWHT",
+    "S_IREAD",
+    "S_IRGRP",
+    "S_IROTH",
+    "S_IRUSR",
+    "S_IRWXG",
+    "S_IRWXO",
+    "S_IRWXU",
+    "S_ISGID",
+    "S_ISTXT",
+    "S_ISUID",
+    "S_ISVTX",
+    "S_IWGRP",
+    "S_IWOTH",
+    "S_IWRITE",
+    "S_IWUSR",
+    "S_IXGRP",
+    "S_IXOTH",
+    "S_IXUSR",
+    "UF_APPEND",
+    "UF_HIDDEN"
+]

pkgs/hooks/example/build/native_add_library/ffigen.yaml

@@ -4,10 +4,11 @@ description: |
   Bindings for `src/native_add_library.h`.
 
   Regenerate bindings with `flutter pub run ffigen --config ffigen.yaml`.
-output: 'lib/native_add_library.dart'
+output: 'lib/src/libc_bindings.dart'
 headers:
   entry-points:
     - 'src/native_add_library.h'
+
   include-directives:
     - 'src/native_add_library.h'
 preamble: |
@@ -18,3 +19,13 @@ comments:
   style: any
   length: full
 ffi-native:
+
+structs:
+  rename:
+    'my_(.*)': '$1'
+functions:
+  rename:
+    'my_(.*)': '$1'
+typedefs:
+  rename:
+    'my_(.*)': '$1'

pkgs/hooks/example/build/native_add_library/hook/build.dart

@@ -11,8 +11,9 @@ void main(List<String> args) async {
     final packageName = input.packageName;
     final cbuilder = CBuilder.library(
       name: packageName,
-      assetName: '$packageName.dart',
-      sources: ['src/$packageName.c'],
+      assetName: 'src/libc_bindings.dart',
+      sources: ['src/$packageName.c', 'src/constants.g.c'],
+      flags: ['-Weverything'],
     );
     await cbuilder.run(
       input: input,

pkgs/hooks/example/build/native_add_library/lib/native_add_library.dart

@@ -1,12 +1,7 @@
-// Copyright (c) 2023, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
+import 'src/libc_bindings.dart' as libc;
 
-// AUTO GENERATED FILE, DO NOT EDIT.
-//
-// Generated by `package:ffigen`.
-// ignore_for_file: type=lint
-import 'dart:ffi' as ffi;
+export 'src/constants.g.dart';
+export 'src/libc_bindings.dart' hide errno, seterrno;
 
-@ffi.Native<ffi.Int32 Function(ffi.Int32, ffi.Int32)>()
-external int add(int a, int b);
+int get errno => libc.errno();
+set errno(int err) => libc.seterrno(err);

pkgs/hooks/example/build/native_add_library/lib/src/constant_bindings.dart

@@ -0,0 +1,101 @@
+// Copyright (c) 2023, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// AUTO GENERATED FILE, DO NOT EDIT.
+//
+// Generated by `package:ffigen`.
+// ignore_for_file: type=lint
+import 'dart:ffi' as ffi;
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IEXEC')
+external int get_S_IEXEC();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IFBLK')
+external int get_S_IFBLK();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IFCHR')
+external int get_S_IFCHR();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IFDIR')
+external int get_S_IFDIR();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IFIFO')
+external int get_S_IFIFO();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IFLNK')
+external int get_S_IFLNK();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IFMT')
+external int get_S_IFMT();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IFREG')
+external int get_S_IFREG();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IFSOCK')
+external int get_S_IFSOCK();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IFWHT')
+external int get_S_IFWHT();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IREAD')
+external int get_S_IREAD();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IRGRP')
+external int get_S_IRGRP();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IROTH')
+external int get_S_IROTH();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IRUSR')
+external int get_S_IRUSR();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IRWXG')
+external int get_S_IRWXG();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IRWXO')
+external int get_S_IRWXO();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IRWXU')
+external int get_S_IRWXU();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_ISGID')
+external int get_S_ISGID();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_ISTXT')
+external int get_S_ISTXT();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_ISUID')
+external int get_S_ISUID();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_ISVTX')
+external int get_S_ISVTX();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IWGRP')
+external int get_S_IWGRP();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IWOTH')
+external int get_S_IWOTH();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IWRITE')
+external int get_S_IWRITE();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IWUSR')
+external int get_S_IWUSR();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IXGRP')
+external int get_S_IXGRP();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IXOTH')
+external int get_S_IXOTH();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_S_IXUSR')
+external int get_S_IXUSR();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_UF_APPEND')
+external int get_UF_APPEND();
+
+@ffi.Native<ffi.Int64 Function()>(symbol: 'my_get_UF_HIDDEN')
+external int get_UF_HIDDEN();
+
+const int my_UNDEFINED = 9223372036854775807;