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better error message for dostring (2nd argument)

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Roberto Ierusalimschy
1997-06-20 16:19:09 -03:00
parent 27b6bbdcf3
commit 6402bfb1f8
1 changed files with 3 additions and 1 deletions
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4
inout.c
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@@ -5,7 +5,7 @@
** Also provides some predefined lua functions. ** Also provides some predefined lua functions.
*/ */
char *rcs_inout="$Id: inout.c,v 2.64 1997/06/19 18:04:34 roberto Exp roberto $"; char *rcs_inout="$Id: inout.c,v 2.65 1997/06/19 18:49:40 roberto Exp roberto $";
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
@@ -152,6 +152,8 @@ static void lua_internaldostring (void)
{ {
lua_Object err = lua_getparam(2); lua_Object err = lua_getparam(2);
if (err != LUA_NOOBJECT) { /* set new error method */ if (err != LUA_NOOBJECT) { /* set new error method */
luaL_arg_check(lua_isnil(err) || lua_isfunction(err), 2,
"must be a valid error handler");
lua_pushobject(err); lua_pushobject(err);
err = lua_seterrormethod(); err = lua_seterrormethod();
} }