💚 Remove template argument from single allocator

Author: kammce

conanfile.py

@@ -67,6 +67,8 @@ def _runtime_select(self):
             return "ARM_CORTEX_GCC"
         elif self._is_arm_cortex and self.options.runtime == "estell":
             return "ARM_CORTEX_ESTELL"
+        else:
+            return "ARM_CORTEX_GCC"
 
     def validate(self):
         if self.settings.get_safe("compiler.cppstd"):

src/control.cpp

@@ -46,12 +46,7 @@ std::terminate_handler get_terminate() noexcept
  *
  * This allocator can only allocates space for a single exception object at a
  * time.
- *
- * @tparam size - size of the exception object memory buffer. If this is set too
- * small (less than 128 bytes), then it is likely that the memory will not be
- * enough for any exception runtime and will result in terminate being called.
  */
-template<size_t size>
 class single_exception_allocator : public std::pmr::memory_resource
 {
 public:
@@ -87,13 +82,12 @@ class single_exception_allocator : public std::pmr::memory_resource
     return this == &other;
   }
 
-  std::array<std::uint8_t, size> m_buffer{};
+  std::array<std::uint8_t, 256> m_buffer{};
   bool m_allocated = false;
 };
 
 // TODO(#11): Add macro to IFDEF this out if the user want to save 256 bytes.
-using default_exception_allocator = single_exception_allocator<256>;
-default_exception_allocator _default_allocator{};  // NOLINT
+single_exception_allocator _default_allocator{};  // NOLINT
 std::pmr::memory_resource* _exception_allocator =
   &_default_allocator;  // NOLINT