Core: simplify record container (#1776)

Co-authored-by: あく <alleteam@gmail.com>

lib/toolbox/m_cstr_dup.h

@@ -0,0 +1,17 @@
+#pragma once
+#include <m-core.h>
+
+#define M_INIT_DUP(a) ((a) = strdup(""))
+#define M_SET_DUP(a, b) (M_CHECK_DEFAULT_TYPE(a), free((void*)a), (a) = strdup(b))
+#define M_CLEAR_DUP(a) (free((void*)a))
+
+#define M_CSTR_DUP_OPLIST    \
+    (INIT(M_INIT_DUP),       \
+     INIT_SET(M_SET_DUP),    \
+     SET(M_SET_DUP),         \
+     CLEAR(M_CLEAR_DUP),     \
+     HASH(m_core_cstr_hash), \
+     EQUAL(M_CSTR_EQUAL),    \
+     CMP(strcmp),            \
+     TYPE(const char*),      \
+     OUT_STR(M_CSTR_OUT_STR))