56bc7814de
A few functions tried to dereference a ServerEnvironment nullptr by calling 'getEnv()'. This change makes use of a macro where possible. This also cleans up incorrect macro uses, with no functional difference.
68 lines
2.5 KiB
C
68 lines
2.5 KiB
C
// Luanti
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// SPDX-License-Identifier: LGPL-2.1-or-later
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// Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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/******************************************************************************/
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/******************************************************************************/
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/* WARNING!!!! do NOT add this header in any include file or any code file */
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/* not being a modapi file!!!!!!!! */
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/******************************************************************************/
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/******************************************************************************/
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#pragma once
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#include "common/c_internal.h"
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#define luamethod(class, name) {#name, class::l_##name}
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#define luamethod_dep(class, good, bad) \
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{#bad, [](lua_State *L) -> int { \
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return l_deprecated_function(L, #good, #bad, &class::l_##good); \
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}}
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#define luamethod_aliased(class, good, bad) \
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luamethod(class, good), \
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luamethod_dep(class, good, bad)
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#define API_FCT(name) registerFunction(L, #name, l_##name, top)
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// For future use
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#define MAP_LOCK_REQUIRED ((void)0)
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#define NO_MAP_LOCK_REQUIRED ((void)0)
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/* In debug mode ensure no code tries to retrieve the server env when it isn't
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* actually available (in CSM) */
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#if CHECK_CLIENT_BUILD() && !defined(NDEBUG)
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#define DEBUG_ASSERT_NO_CLIENTAPI \
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FATAL_ERROR_IF(getClient(L) != nullptr, "Tried " \
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"to retrieve ServerEnvironment on client")
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#else
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#define DEBUG_ASSERT_NO_CLIENTAPI ((void)0)
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#endif
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// Retrieve ServerEnvironment pointer as `env` (no map lock)
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#define GET_ENV_PTR_NO_MAP_LOCK \
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DEBUG_ASSERT_NO_CLIENTAPI; \
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ServerEnvironment *env = (ServerEnvironment *)getEnv(L); \
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if (!env) { \
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log_deprecated(L, "Calling this function during script init is disallowed.", 1); \
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return 0; \
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} \
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((void)0)
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// Retrieve ServerEnvironment pointer as `env`
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#define GET_ENV_PTR \
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MAP_LOCK_REQUIRED; \
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GET_ENV_PTR_NO_MAP_LOCK
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// Retrieve Environment pointer as `env` (no map lock)
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#define GET_PLAIN_ENV_PTR_NO_MAP_LOCK \
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Environment *env = getEnv(L); \
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if (env == NULL) \
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return 0
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// Retrieve Environment pointer as `env`
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#define GET_PLAIN_ENV_PTR \
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MAP_LOCK_REQUIRED; \
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GET_PLAIN_ENV_PTR_NO_MAP_LOCK
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