From 4e2066a7eb108503bfea2092672329e19ffbde49 Mon Sep 17 00:00:00 2001
From: "Azamat H. Hackimov" <azamat.hackimov@gmail.com>
Date: Tue, 2 Jan 2024 21:09:04 +0300
Subject: [PATCH] Fix strict-aliasing warnings

---
 src/dio/aseprite_decoder.cpp | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/dio/aseprite_decoder.cpp b/src/dio/aseprite_decoder.cpp
index e01fbba32..209a67307 100644
--- a/src/dio/aseprite_decoder.cpp
+++ b/src/dio/aseprite_decoder.cpp
@@ -28,10 +28,20 @@
 #include "zlib.h"
 
 #include <cstdio>
+#include <cstring>
 #include <vector>
 
 namespace dio {
 
+template <typename T>
+T
+copy_reinterpret_cast(const void* ptr)
+{
+  T tmp;
+  std::memcpy(&tmp, ptr, sizeof(T));
+  return tmp;
+}
+
 bool AsepriteDecoder::decode()
 {
   bool ignore_old_color_chunks = false;
@@ -425,7 +435,7 @@ float AsepriteDecoder::readFloat()
 
   // Little endian.
   int v = ((b4 << 24) | (b3 << 16) | (b2 << 8) | b1);
-  return *reinterpret_cast<float*>(&v);
+  return *copy_reinterpret_cast<float*>(&v);
 }
 
 double AsepriteDecoder::readDouble()
@@ -465,7 +475,7 @@ double AsepriteDecoder::readDouble()
                  ((long long)b3 << 16) |
                  ((long long)b2 << 8) |
                  (long long)b1);
-  return *reinterpret_cast<double*>(&v);
+  return *copy_reinterpret_cast<double*>(&v);
 }
 
 doc::Palette* AsepriteDecoder::readColorChunk(doc::Palette* prevPal,
-- 
2.41.0