Move nothing when there is nothing to move
This commit is contained in:
3
lapi.c
3
lapi.c
@@ -1,5 +1,5 @@
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/*
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/*
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** $Id: lapi.c,v 1.238 2003/05/09 20:16:54 roberto Exp roberto $
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** $Id: lapi.c,v 1.239 2003/05/14 21:06:56 roberto Exp roberto $
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** Lua API
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** Lua API
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** See Copyright Notice in lua.h
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** See Copyright Notice in lua.h
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*/
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*/
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@@ -96,6 +96,7 @@ LUA_API int lua_checkstack (lua_State *L, int size) {
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LUA_API void lua_xmove (lua_State *from, lua_State *to, int n) {
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LUA_API void lua_xmove (lua_State *from, lua_State *to, int n) {
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int i;
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int i;
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if (from == to) return;
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lua_lock(to);
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lua_lock(to);
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api_checknelems(from, n);
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api_checknelems(from, n);
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from->top -= n;
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from->top -= n;
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