Remove unused gmcmd attributes.

use the at_deprecated feature that was built for this purpose.
remove final external dependency on a_free in the code.

src/modules/gmcmd.c

@@ -35,16 +35,6 @@
 
 /* util includes */
 #include <util/attrib.h>
-#include <util/base36.h>
-#include <util/event.h>
-#include <util/goodies.h>
-#include <util/language.h>
-#include <util/lists.h>
-#include <util/log.h>
-#include <util/umlaut.h>
-#include <util/parser.h>
-#include <util/rng.h>
-
 #include <storage.h>
 
 /* libc includes */
@@ -56,18 +46,11 @@
 static int read_permissions(attrib * a, void *owner, struct storage *store)
 {
   attrib *attr = NULL;
-  a_read(store, &attr, NULL);
-  a_free(attr);
+  a_read(store, &attr, owner);
+  a_remove(&attr, a);
   return AT_READ_OK;
 }
 
-struct attrib_type at_permissions = {
-  "GM:permissions",
-  NULL, NULL, NULL,
-  NULL, read_permissions,
-  ATF_UNIQUE
-};
-
 static int read_gmcreate(attrib * a, void *owner, struct storage *store)
 {
   char zText[32];
@@ -75,15 +58,8 @@ static int read_gmcreate(attrib * a, void *owner, struct storage *store)
   return AT_READ_OK;
 }
 
-/* at_gmcreate specifies that the owner can create items of a particular type */
-attrib_type at_gmcreate = {
-  "GM:create",
-  NULL, NULL, NULL,
-  NULL, read_gmcreate
-};
-
 void register_gmcmd(void)
 {
-  at_register(&at_gmcreate);
-  at_register(&at_permissions);
+    at_deprecate("GM:create", read_gmcreate);
+    at_deprecate("GM:permissions", read_permissions);
 }

src/util/attrib.c

@@ -151,14 +151,6 @@ attrib *a_add(attrib ** pa, attrib * a)
     return a;
 }
 
-void a_free(attrib * a)
-{
-    const attrib_type *at = a->type;
-    if (at->finalize)
-        at->finalize(a);
-    free(a);
-}
-
 static int a_unlink(attrib ** pa, attrib * a)
 {
     attrib **pnexttype = pa;
@@ -197,6 +189,14 @@ static int a_unlink(attrib ** pa, attrib * a)
     return 0;
 }
 
+static void a_free(attrib * a)
+{
+    const attrib_type *at = a->type;
+    if (at->finalize)
+        at->finalize(a);
+    free(a);
+}
+
 int a_remove(attrib ** pa, attrib * a)
 {
     int ok;

src/util/attrib.h

@@ -73,7 +73,6 @@ extern "C" {
     extern int a_remove(attrib ** pa, attrib * at);
     extern void a_removeall(attrib ** a, const attrib_type * at);
     extern attrib *a_new(const attrib_type * at);
-    extern void a_free(attrib * a);
 
     extern int a_age(attrib ** attribs);
     extern int a_read(struct storage *store, attrib ** attribs, void *owner);

src/util/attrib.test.c

@@ -12,7 +12,8 @@ static void test_attrib_new(CuTest * tc)
     CuAssertPtrEquals(tc, 0, a->next);
     CuAssertPtrEquals(tc, 0, a->nexttype);
     CuAssertPtrEquals(tc, (void *)a->type, (void *)&at_test);
-    a_free(a);
+    a_remove(&a, a);
+    CuAssertPtrEquals(tc, 0, a);
 }