From f6ce06d56bc9ca8b0d2c06dd5fc893b15efb8d76 Mon Sep 17 00:00:00 2001
From: Lucas CHOLLET <lucas.chollet@free.fr>
Date: Mon, 10 Jul 2023 16:29:16 -0400
Subject: [PATCH] LibGfx/PortableFormat: Extract header reading in its own
 function

---
 .../ImageFormats/PortableImageLoaderCommon.h    | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/Userland/Libraries/LibGfx/ImageFormats/PortableImageLoaderCommon.h b/Userland/Libraries/LibGfx/ImageFormats/PortableImageLoaderCommon.h
index 34e5e8369f..0e675cd653 100644
--- a/Userland/Libraries/LibGfx/ImageFormats/PortableImageLoaderCommon.h
+++ b/Userland/Libraries/LibGfx/ImageFormats/PortableImageLoaderCommon.h
@@ -175,12 +175,9 @@ static ErrorOr<void> create_bitmap(TContext& context)
     return {};
 }
 
-template<typename TContext>
-static ErrorOr<void> decode(TContext& context)
+template<typename Context>
+static ErrorOr<void> read_header(Context& context)
 {
-    if (context.state >= TContext::State::Decoded)
-        return {};
-
     TRY(read_magic_number(context));
 
     TRY(read_whitespace(context));
@@ -201,6 +198,16 @@ static ErrorOr<void> decode(TContext& context)
         TRY(read_whitespace(context));
     }
 
+    return {};
+}
+
+template<typename TContext>
+static ErrorOr<void> decode(TContext& context)
+{
+    if (context.state >= TContext::State::Decoded)
+        return {};
+
+    TRY(read_header(context));
     TRY(read_image_data(context));
 
     context.state = TContext::State::Decoded;