(msymbol__fini): Don't free symbols here.

(msymbol__free_table): New function.
(msymbol_is_managing_key): New function.

diff --git a/src/symbol.c b/src/symbol.c
index ae11459..2dd32d3 100644 (file)
--- a/src/symbol.c
+++ b/src/symbol.c
@@ -148,8 +148,7 @@ void
 msymbol__fini ()
 {
   int i;
-  MSymbol sym, next;
-  int freed_symbols = 0;
+  MSymbol sym;
 
   for (i = 0; i < SYMBOL_TABLE_SIZE; i++)
     for (sym = symbol_table[i]; sym; sym = sym->next)
@@ -158,7 +157,17 @@ msymbol__fini ()
          if (sym->plist.key->managing_key)
            M17N_OBJECT_UNREF (sym->plist.val);
          M17N_OBJECT_UNREF (sym->plist.next);
+         sym->plist.key = Mnil;
        }
+}
+
+void
+msymbol__free_table ()
+{
+  int i;
+  MSymbol sym, next;
+  int freed_symbols = 0;
+
   for (i = 0; i < SYMBOL_TABLE_SIZE; i++)
     {
       for (sym = symbol_table[i]; sym; sym = next)
@@ -469,6 +478,23 @@ msymbol_as_managing_key (const char *name)
 /*=*/
 
 /***en
+    @brief Check if a symbol is a managing key.
+
+    The msymbol_is_managing_key () function checks if the sysmbol
+    $SYMBOL is a managing key or not.
+
+    @return Return 1 if the symbol is a managing key.  Otherwise,
+    return 0.  */
+
+int
+msymbol_is_managing_key (MSymbol symbol)
+{
+  return (symbol->managing_key == 1);
+}
+
+/*=*/
+
+/***en
     @brief Search for a symbol that has a specified name.
 
     The msymbol_exist () function searches for the symbol whose name