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getlocal cannot return the local itself, since lua_isstring and 

lua_isnumber can modify it.
This commit is contained in:
Roberto Ierusalimschy 1999-02-03 14:42:42 -02:00
parent ae29ab9858
commit 80001ab0eb
2 changed files with 9 additions and 4 deletions
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6
bugs
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@ -61,3 +61,9 @@ because "strtol" returns long, not unsigned long.
** lstrlib.c ** lstrlib.c
Mon Jan 4 10:41:40 EDT 1999 Mon Jan 4 10:41:40 EDT 1999
>> "format" does not check size of format item (such as "%00000...00000d"). >> "format" does not check size of format item (such as "%00000...00000d").
** lapi.c
Wed Feb 3 14:40:21 EDT 1999
>> getlocal cannot return the local itself, since lua_isstring and
lua_isnumber can modify it.

7
lapi.c
View File

@ -1,5 +1,5 @@
/* /*
** $Id: lapi.c,v 1.31 1999/01/15 13:11:22 roberto Exp roberto $ ** $Id: lapi.c,v 1.32 1999/01/26 15:31:17 roberto Exp roberto $
** Lua API ** Lua API
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@ -498,8 +498,7 @@ int lua_currentline (lua_Function func)
} }
lua_Object lua_getlocal (lua_Function func, int local_number, char **name) lua_Object lua_getlocal (lua_Function func, int local_number, char **name) {
{
/* check whether func is a Lua function */ /* check whether func is a Lua function */
if (lua_tag(func) != LUA_T_PROTO) if (lua_tag(func) != LUA_T_PROTO)
return LUA_NOOBJECT; return LUA_NOOBJECT;
@ -510,7 +509,7 @@ lua_Object lua_getlocal (lua_Function func, int local_number, char **name)
if (*name) { if (*name) {
/* if "*name", there must be a LUA_T_LINE */ /* if "*name", there must be a LUA_T_LINE */
/* therefore, f+2 points to function base */ /* therefore, f+2 points to function base */
return Ref((f+2)+(local_number-1)); return put_luaObject((f+2)+(local_number-1));
} }
else else
return LUA_NOOBJECT; return LUA_NOOBJECT;