X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fmisc.h;h=dae37cd98f05a10921a5903cddb4f7e47f6db311;hb=af0d82792e21f0362b781fc671ae8b7a0642e61a;hp=59ca6e376bda6b12a736d61f3ee92b9c621d1b6e;hpb=b748b46714d5f8e0acca0a042ede1fc95e4f5190;p=stockfish

diff --git a/src/misc.h b/src/misc.h
index 59ca6e37..dae37cd9 100644
--- a/src/misc.h
+++ b/src/misc.h
@@ -66,9 +66,10 @@ std::ostream& operator<<(std::ostream&, SyncCout);
 #define sync_cout std::cout << IO_LOCK
 #define sync_endl std::endl << IO_UNLOCK
 
-// `ptr` must point to an array of size at least
-// `sizeof(T) * N + alignment` bytes, where `N` is the
-// number of elements in the array.
+
+// align_ptr_up() : get the first aligned element of an array.
+// ptr must point to an array of size at least `sizeof(T) * N + alignment` bytes,
+// where N is the number of elements in the array.
 template <uintptr_t Alignment, typename T>
 T* align_ptr_up(T* ptr)
 {
@@ -78,6 +79,12 @@ T* align_ptr_up(T* ptr)
   return reinterpret_cast<T*>(reinterpret_cast<char*>((ptrint + (Alignment - 1)) / Alignment * Alignment));
 }
 
+
+// IsLittleEndian : true if and only if the binary is compiled on a little endian machine
+static inline const union { uint32_t i; char c[4]; } Le = { 0x01020304 };
+static inline const bool IsLittleEndian = (Le.c[0] == 4);
+
+
 template <typename T>
 class ValueListInserter {
 public: