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lua_getuserdata must return NULL if object is not userdata; 

small BUG: wrong error message for a=b[1] (b not a table)
This commit is contained in:
Roberto Ierusalimschy 1997-04-02 14:44:18 -03:00
parent 4355e1afcd
commit f29fbf2bf6
1 changed files with 12 additions and 4 deletions
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16
opcode.c
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@ -3,7 +3,7 @@
** TecCGraf - PUC-Rio
*/
char *rcs_opcode="$Id: opcode.c,v 3.89 1997/03/31 20:59:09 roberto Exp roberto $";
char *rcs_opcode="$Id: opcode.c,v 3.90 1997/04/01 19:02:43 roberto Exp roberto $";
#include <setjmp.h>
#include <stdio.h>
@ -332,7 +332,7 @@ static void pushsubscript (void)
}
}
else { /* object is not a table, and/or has a specific "gettable" method */
if (im)
if (ttype(im) != LUA_T_NIL)
callIM(im, 2, 1);
else
lua_error("indexed expression not a table");
@ -821,10 +821,18 @@ char *lua_getstring (lua_Object object)
void *lua_getbinarydata (lua_Object object)
{
if (object == LUA_NOOBJECT || ttype(Address(object)) != LUA_T_USERDATA)
lua_error("getbinarydata: object is not binary data");
return svalue(Address(object));
return NULL;
else return svalue(Address(object));
}
void *lua_getuserdata (lua_Object object)
{
void *add = lua_getbinarydata(object);
if (add == NULL) return NULL;
else return *(void **)add;
}
int lua_getbindatasize (lua_Object object)
{
if (object == LUA_NOOBJECT || ttype(Address(object)) != LUA_T_USERDATA)