From de07b0b267516460491d76a53de2c3b6cd057b1e Mon Sep 17 00:00:00 2001
From: Marko Mindek <marko.mindek@gmail.com>
Date: Wed, 8 Jan 2025 13:30:14 +0100
Subject: [PATCH] fix: cowboy_static misc specs

---
 src/cowboy_static.erl | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/cowboy_static.erl b/src/cowboy_static.erl
index 4369bf2f..c26987e9 100644
--- a/src/cowboy_static.erl
+++ b/src/cowboy_static.erl
@@ -347,7 +347,7 @@ content_types_provided(Req, State={Path, _, Extra}) when is_list(Extra) ->
 %% Detect the charset of the file.
 
 -spec charsets_provided(Req, State)
-	-> {[binary()], Req, State}
+	-> {[binary()], Req, State} | no_call
 	when State::state().
 charsets_provided(Req, State={Path, _, Extra}) ->
 	case lists:keyfind(charset, 1, Extra) of
@@ -381,7 +381,7 @@ resource_exists(Req, State) ->
 %% Generate an etag for the file.
 
 -spec generate_etag(Req, State)
-	-> {{strong | weak, binary()}, Req, State}
+	-> {{strong | weak, binary() | undefined}, Req, State}
 	when State::state().
 generate_etag(Req, State={Path, {_, #file_info{size=Size, mtime=Mtime}},
 		Extra}) ->
@@ -408,7 +408,7 @@ last_modified(Req, State={_, {_, #file_info{mtime=Modified}}, _}) ->
 %% Stream the file.
 
 -spec get_file(Req, State)
-	-> {{sendfile, 0, non_neg_integer(), binary()}, Req, State}
+	-> {{sendfile, 0, non_neg_integer(), binary()} | binary(), Req, State}
 	when State::state().
 get_file(Req, State={Path, {direct, #file_info{size=Size}}, _}) ->
 	{{sendfile, 0, Size, Path}, Req, State};