Use on_load module attribute

.github/workflows/ci.yml

@@ -9,12 +9,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        otp: ['19.3', '21.3', 24]
-    runs-on: ubuntu-20.04
+        otp: ['20', '21', '22', '23', '24', '25', '26', '27']
+    runs-on: ubuntu-24.04
     container:
       image: erlang:${{ matrix.otp }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - run: rebar3 compile
     - run: rebar3 xref
     - run: rebar3 dialyzer
@@ -23,9 +23,13 @@ jobs:
   cover:
     name: Cover
     needs: [tests]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
+    - uses: erlef/setup-beam@v1
+      with:
+        otp-version: '27'
+        rebar3-version: "3.24.0"
     - run: ./configure --enable-gcov
     - run: rebar3 compile
     - name: Run tests to obtain Erlang coverage

src/stringprep.app.src

@@ -26,7 +26,6 @@
   {modules,      []},
   {registered,   []},
   {applications, [kernel, stdlib, p1_utils]},
-  {mod,          {stringprep_app,[]}},
 
   %% hex.pm packaging:
   {files, ["src/", "c_src/stringprep.cpp", "c_src/uni_data.c", "c_src/uni_norm.c", "configure", "rebar.config", "rebar.config.script", "vars.config.in", "README.md", "LICENSE.txt", "LICENCE.ALL", "LICENSE.TCL"]},

src/stringprep.erl

@@ -22,13 +22,13 @@
 %%%----------------------------------------------------------------------
 
 -module(stringprep).
+-on_load(load_nif/0).
+-nifs([tolower/1, tolower_nofilter/1, nameprep/1, nodeprep/1, resourceprep/1]).
 
 -author('alexey@process-one.net').
 
--compile(no_native).
-
--export([start/0, load_nif/0, tolower/1, nameprep/1,
-	 nodeprep/1, resourceprep/1, tolower_nofilter/1]).
+-export([start/0, tolower/1, nameprep/1,
+         nodeprep/1, resourceprep/1, tolower_nofilter/1]).
 
 %%%===================================================================
 %%% API functions