New macro 'pushvfstring'HEADmaster

Helps to ensure that 'luaO_pushvfstring' is being called correctly,
with an error check after closing the vararg list with 'va_end'.

1 files changed, 2 insertions, 6 deletions

diff --git a/ldebug.c b/ldebug.c
index 258a4394..f4bb0a08 100644
--- a/ldebug.c
+++ b/ldebug.c
@@ -852,12 +852,8 @@ l_noret luaG_runerror (lua_State *L, const char *fmt, ...) {
   const char *msg;
   va_list argp;
   luaC_checkGC(L);  /* error message uses memory */
-  va_start(argp, fmt);
-  msg = luaO_pushvfstring(L, fmt, argp);  /* format message */
-  va_end(argp);
-  if (msg == NULL)  /* no memory to format message? */
-    luaD_throw(L, LUA_ERRMEM);
-  else if (isLua(ci)) {  /* Lua function? */
+  pushvfstring(L, argp, fmt, msg);
+  if (isLua(ci)) {  /* Lua function? */
     /* add source:line information */
     luaG_addinfo(L, msg, ci_func(ci)->p->source, getcurrentline(ci));
     setobjs2s(L, L->top.p - 2, L->top.p - 1);  /* remove 'msg' */