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author | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2006-06-07 09:37:17 -0300 |
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committer | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2006-06-07 09:37:17 -0300 |
commit | fad7582c9a3cab032c3989a1b36a2ecdf5aaa3c0 (patch) | |
tree | 302b6a58505843180ceb446cff13c6bd5f675996 | |
parent | a62fca1ebb0798676a11c5bda2406e36de654b6e (diff) | |
download | lua-github-fad7582c9a3cab032c3989a1b36a2ecdf5aaa3c0.tar.gz |
explicit test for common error (due to compatibility issue)
-rw-r--r-- | lapi.c | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -1,5 +1,5 @@ /* -** $Id: lapi.c,v 2.53 2006/01/10 12:50:00 roberto Exp roberto $ +** $Id: lapi.c,v 2.54 2006/06/02 15:34:00 roberto Exp roberto $ ** Lua API ** See Copyright Notice in lua.h */ @@ -199,6 +199,9 @@ LUA_API void lua_insert (lua_State *L, int idx) { LUA_API void lua_replace (lua_State *L, int idx) { StkId o; lua_lock(L); + /* explicit test for incompatible code */ + if (idx == LUA_ENVIRONINDEX && L->ci == L->base_ci) + luaG_runerror(L, "no calling environment"); api_checknelems(L, 1); o = index2adr(L, idx); api_checkvalidindex(L, o); |