Fix dialyzer warnings

src/esqlite3_nif.erl

@@ -8,9 +8,9 @@
 %% Licensed under the Apache License, Version 2.0 (the "License");
 %% you may not use this file except in compliance with the License.
 %% You may obtain a copy of the License at
-%% 
+%%
 %%     http://www.apache.org/licenses/LICENSE-2.0
-%% 
+%%
 %% Unless required by applicable law or agreed to in writing, software
 %% distributed under the License is distributed on an "AS IS" BASIS,
 %% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -22,19 +22,19 @@
 
 %% low-level exports
 -export([start/0,
-    open/4,
-    exec/4,
-    changes/3,
-    insert/4,
-    prepare/4,
-    step/3,
-    reset/3,
-    finalize/3,
-    bind/4,
-    column_names/3,
-    column_types/3,
-    close/3
-]).
+         open/4,
+         exec/4,
+         changes/3,
+         insert/4,
+         prepare/4,
+         step/3,
+         reset/3,
+         finalize/3,
+         bind/4,
+         column_names/3,
+         column_types/3,
+         close/3
+        ]).
 
 -on_load(init/0).
 
@@ -46,23 +46,24 @@ init() ->
                   end,
     ok = erlang:load_nif(NifFileName, 0).
 
-%% @doc Start a low level thread which will can handle sqlite3 calls. 
+%% @doc Start a low level thread which will can handle sqlite3 calls.
 %%
 %% @spec start() -> {ok, connection()} | {error, msg()}
 start() ->
-    exit(nif_library_not_loaded).
+    erlang:nif_error(nif_library_not_loaded).
 
 %% @doc Open the specified sqlite3 database.
-%% 
+%%
 %% Sends an asynchronous open command over the connection and returns
-%% ok immediately. When the database is opened 
+%% ok immediately. When the database is opened
 %%
 %%  @spec open(connection(), reference(), pid(), string()) -> ok | {error, message()}
+
 open(_Db, _Ref, _Dest, _Filename) ->
-    exit(nif_library_not_loaded).
+    erlang:nif_error(nif_library_not_loaded).
 
 %% @doc Exec the query.
-%% 
+%%
 %% Sends an asynchronous exec command over the connection and returns
 %% ok immediately.
 %%
@@ -71,70 +72,67 @@ open(_Db, _Ref, _Dest, _Filename) ->
 %%
 %%  @spec exec(connection(), Ref::reference(), Dest::pid(), string()) -> ok | {error, message()}
 exec(_Db, _Ref, _Dest, _Sql) ->
-    exit(nif_library_not_loaded).
+    erlang:nif_error(nif_library_not_loaded).
 
 %% @doc Get the number of affected rows of last statement
-%% 
+%%
 %% When the statement is executed Dest will receive message {Ref, answer()}
 %% with answer() integer | {error, reason()}
 %%
 changes(_Db, _Ref, _Dest) ->
-    exit(nif_library_not_loaded).
+    erlang:nif_error(nif_library_not_loaded).
 
 %% @doc
 %%
 %% @spec prepare(connection(), reference(), pid(), string()) -> ok | {error, message()}
 prepare(_Db, _Ref, _Dest, _Sql) ->
-    exit(nif_library_not_loaded).
+    erlang:nif_error(nif_library_not_loaded).
 
 %% @doc
 %%
 %% @spec step(statement(), reference(), pid()) -> ok | {error, message()}
 step(_Stmt, _Ref, _Dest) ->
-    exit(nif_library_not_loaded).
+    erlang:nif_error(nif_library_not_loaded).
 
 %% @doc
 %%
 %% @spec reset(statement(), reference(), pid()) -> ok | {error, message()}
 reset(_Stmt, _Ref, _Dest) ->
-    exit(nif_library_not_loaded).
+    erlang:nif_error(nif_library_not_loaded).
 
 %% @doc
 %%
 %%
 finalize(_Stmt, _Ref, _Dest) ->
-    exit(nif_library_not_loaded).
+    erlang:nif_error(nif_library_not_loaded).
 
-%% @doc Bind parameters to a prepared statement. 
+%% @doc Bind parameters to a prepared statement.
 %%
-%% @spec bind(statement(), reference(), pid(), []) -> ok | {error, message()} 
+%% @spec bind(statement(), reference(), pid(), []) -> ok | {error, message()}
 bind(_Stmt, _Ref, _Dest, _Args) ->
-    exit(nif_library_not_loaded).
+    erlang:nif_error(nif_library_not_loaded).
 
 %% @doc Retrieve the column names of the prepared statement
 %%
-%% @spec column_names(statement(), reference(), pid()) -> {ok, tuple()} | {error, message()} 
+%% @spec column_names(statement(), reference(), pid()) -> {ok, tuple()} | {error, message()}
 column_names(_Stmt, _Ref, _Dest) ->
-    exit(nif_library_not_loaded).
+    erlang:nif_error(nif_library_not_loaded).
 
 %% @doc Retrieve the column types of the prepared statement
 %%
-%% @spec column_types(statement(), reference(), pid()) -> {ok, tuple()} | {error, message()} 
+%% @spec column_types(statement(), reference(), pid()) -> {ok, tuple()} | {error, message()}
 column_types(_Stmt, _Ref, _Dest) ->
-    exit(nif_library_not_loaded).
+    erlang:nif_error(nif_library_not_loaded).
 
 %% @doc Close the connection.
 %%
 %% @spec close(connection(), reference(), pid()) -> ok | {error, message()}
 close(_Db, _Ref, _Dest) ->
-    exit(nif_library_not_loaded).
+    erlang:nif_error(nif_library_not_loaded).
 
 
 %% @doc Insert record
 %%
 %% @spec insert(connection(), Ref::reference(), Dest::pid(), string()) -> {ok, integer()} | {error, message()}
 insert(_Db, _Ref, _Dest, _Sql) ->
-    exit(nif_library_not_loaded).
-
-
-
+    erlang:nif_error(nif_library_not_loaded).