fixed #109: fast inc/dec was trying to break ro protection

git-svn-id: svn://svn.lighttpd.net/xcache/branches/1.2@432 c26eb9a1-5813-0410-bd6c-c2e55f420ca7

ChangeLog

@@ -4,6 +4,7 @@
 
 == ChangeLog ==
  * #86: remove/edit variable in admin page
+ * fixed #109: fast inc/dec was trying to break ro protection
  * fixed #101, #105: Fixed compatibility issue for apache 1.x
  * fixed #94: Garbage collector disabled when xcache.cacher set to off
  * fixed #92: Zend Optimizer compatibility issue

xcache.c

@@ -2001,6 +2001,7 @@ static inline void xc_var_inc_dec(int inc, INTERNAL_FUNCTION_PARAMETERS) /* {{{
 				/* do it in place */
 				stored_var = stored_xce->data.var;
 				if (Z_TYPE_P(stored_var->value) == IS_LONG) {
+					zval *zv;
 					stored_xce->ctime = XG(request_time);
 					stored_xce->ttl   = xce.ttl;
 #ifdef DEBUG
@@ -2009,7 +2010,9 @@ static inline void xc_var_inc_dec(int inc, INTERNAL_FUNCTION_PARAMETERS) /* {{{
 					value = Z_LVAL_P(stored_var->value);
 					value += (inc == 1 ? count : - count);
 					RETVAL_LONG(value);
-					Z_LVAL_P(stored_var->value) = value;
+
+					zv = (zval *) xce.cache->shm->handlers->to_readwrite(xce.cache->shm, (char *) stored_var->value);
+					Z_LVAL_P(zv) = value;
 					break; /* leave lock */
 				}
 				else {