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Fix leak and possible segfault in minetest.set_mapgen_params

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This commit is contained in:
kwolekr
2013-12-08 01:37:41 -05:00
parent 83cc882335
commit 3cc45fd8ad
1 changed files with 42 additions and 40 deletions
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4
src/script/lua_api/l_mapgen.cpp
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@@ -167,7 +167,7 @@ int ModApiMapgen::l_set_mapgen_params(lua_State *L)
return 0; return 0;
EmergeManager *emerge = getServer(L)->getEmergeManager(); EmergeManager *emerge = getServer(L)->getEmergeManager();
if (emerge->mapgen.size()) if (!emerge || emerge->mapgen.size())
return 0; return 0;
MapgenParams *oparams = new MapgenParams; MapgenParams *oparams = new MapgenParams;
@@ -205,6 +205,8 @@ int ModApiMapgen::l_set_mapgen_params(lua_State *L)
} }
} }
delete emerge->luaoverride_params;
emerge->luaoverride_params = oparams; emerge->luaoverride_params = oparams;
emerge->luaoverride_params_modified = paramsmodified; emerge->luaoverride_params_modified = paramsmodified;
emerge->luaoverride_flagmask = flagmask; emerge->luaoverride_flagmask = flagmask;