error: update memory structure

lib/include/irritator/error.hpp

@@ -49,10 +49,6 @@ struct unknown_error {};
 //! component with bad @c registered_id, @c dir_path_id or @c file_path_id.
 struct undefined_error {};
 
-//! Memory error to report a error during the allocation process. Often add a
-//! e_memory structure to report memory request.
-struct memory_error {};
-
 //! Report an error in the argument pass to a function. Must be rarely used,
 //! prefer @c irt_assert to @c std::abort the application and fix the source
 //! code.
@@ -84,14 +80,16 @@ struct e_errno {
     int value;
 };
 
+/** To report a error during the allocation process. */
 struct e_memory {
-    long long unsigned int capacity{}; //!< Current capacity in bytes.
-    long long unsigned int request{};  //!< Requested capacity in bytes.
-};
+    std::size_t request{};  //!< Requested capacity in bytes.
+    std::size_t capacity{}; //!< Current capacity in bytes. Can be nul if
+                            //!< current capacity is not available. */
 
-struct e_allocator {
-    size_t needed{};
-    size_t capacity{};
+    e_memory(std::integral auto req, std::integral auto cap) noexcept
+      : request{ static_cast<size_t>(req) }
+      , capacity{ static_cast<size_t>(cap) }
+    {}
 };
 
 struct e_json {

lib/src/project.cpp

@@ -1149,9 +1149,7 @@ status project::set(modeling& mod, simulation& sim, component& compo) noexcept
         if (std::cmp_greater_equal(numbers.tree_node_nb, tree_nodes.capacity()))
             return new_error(
               tree_node_error{},
-              e_memory{
-                static_cast<long long unsigned int>(numbers.model_nb),
-                static_cast<long long unsigned int>(tree_nodes.capacity()) });
+              e_memory{ numbers.model_nb, tree_nodes.capacity() });
     }
 
     irt_check(make_component_cache(*this, mod));
@@ -1160,8 +1158,7 @@ status project::set(modeling& mod, simulation& sim, component& compo) noexcept
     sim.destroy();
 
     if (not sim.m_alloc.can_alloc_bytes(smr.global_b))
-        return new_error(simulation::model_error{},
-                         e_allocator{ smr.global_b });
+        return new_error(simulation::model_error{}, e_memory(smr.global_b, 0));
 
     sim.realloc(smr);