From 12008dbdb854af9fa8f65a6a2e4b5b919acdab06 Mon Sep 17 00:00:00 2001
From: Alvaro <alvaro.segura@gmail.com>
Date: Fri, 31 Jan 2025 23:58:44 +0100
Subject: [PATCH] Fixed (?) StreamBuffer and others in big endian machines

---
 CMakeLists.txt       | 11 +++++++++++
 include/asl/Matrix.h |  3 +++
 src/CMakeLists.txt   |  4 ++++
 src/Log.cpp          |  2 +-
 tests/unittests.cpp  | 10 ++++++++--
 5 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index cd95b10..3c54fe2 100644
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -40,6 +40,17 @@ option(ASL_SAMPLES "Build samples")
 option(ASL_TESTS "Build tests")
 option(ASL_SOCKET_LOCAL "Support Unix sockets on Windows")
 
+set(ASL_BIGENDIAN OFF)
+
+if(DEFINED CMAKE_CXX_BYTE_ORDER)
+	if(CMAKE_CXX_BYTE_ORDER STREQUAL BIG_ENDIAN)
+		set(ASL_BIGENDIAN ON)
+	endif()
+else()
+	include(TestBigEndian)
+	test_big_endian(ASL_BIGENDIAN)
+endif()
+
 if(ASL_TLS)
 	if(TARGET MbedTLS::mbedtls)
 		set(mbedTLS_LIB MbedTLS::mbedtls)
diff --git a/include/asl/Matrix.h b/include/asl/Matrix.h
index f2088ab..c0af97c 100644
--- include/asl/Matrix.h
+++ include/asl/Matrix.h
@@ -83,6 +83,9 @@ class Matrix_ : public Array2<T>
 	*/
 	T trace() const { if (this->_rows != this->_cols) return 0; T t = 0; for (int i = 0; i < this->rows(); i++) t += (*this)(i, i); return t; }
 
+	/**
+	 * copies the contents of matrix b into this
+	 */
 	void copy(const Matrix_& b)
 	{
 		this->resize(b.rows(), b.cols());
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index bf71bd7..bccb9d0 100644
--- src/CMakeLists.txt
+++ src/CMakeLists.txt
@@ -97,6 +97,10 @@ if(ASL_SOCKET_LOCAL)
 	list(APPEND ASL_DEFSP ASL_SOCKET_LOCAL)
 endif()
 
+if(ASL_BIGENDIAN)
+	list(APPEND ASL_DEFS ASL_BIGENDIAN)
+endif()
+
 if(POLICY CMP0022)
 	cmake_policy(SET CMP0022 NEW)
 endif()
diff --git a/src/Log.cpp b/src/Log.cpp
index 3394b07..eaa6379 100644
--- src/Log.cpp
+++ src/Log.cpp
@@ -21,7 +21,7 @@ Log::Log()
 	_logfile = "log.log";
 	_useconsole = true;
 	_usefile = true;
-	_maxLevel = 3;
+	_maxLevel = 2;
 	_mutex = new Mutex;
 }
 
diff --git a/tests/unittests.cpp b/tests/unittests.cpp
index 71822d1..0affef8 100644
--- tests/unittests.cpp
+++ tests/unittests.cpp
@@ -35,15 +35,21 @@ ASL_TEST(File)
 	bfile << int(-3) << 3.5f;
 	bfile.setEndian(ENDIAN_BIG);
 	bfile << 0x10203040;
+	bfile << 0x10203040;
 	bfile.close();
 
 	bfile.open(File::READ);
-	bfile.setEndian(ENDIAN_LITTLE);
+	bfile.setEndian(ENDIAN_NATIVE);
 	int n;
 	float x;
 	bfile >> n >> x;
 	ASL_ASSERT(n == -3 && x == 3.5f);
-	ASL_ASSERT(bfile.read<unsigned>() == 0x40302010);
+	bfile.setEndian(ENDIAN_LITTLE);
+	byte b[4];
+	bfile >> b[0] >> b[1] >> b[2] >> b[3];
+	ASL_ASSERT(b[0] == 0x10 && b[1] == 0x20 && b[2] == 0x30 && b[3] == 0x40);
+	bfile.setEndian(ENDIAN_BIG);
+	ASL_ASSERT(bfile.read<unsigned>() == 0x10203040);
 	
 	TextFile tfile("lines.txt", File::WRITE);
 	String line1 = "123";