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This commit is contained in:
Roberto Ierusalimschy 2005-08-09 09:30:19 -03:00
parent 680fc88cc2
commit f01a95d4a0
1 changed files with 3 additions and 2 deletions
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5
lauxlib.c
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@ -1,5 +1,5 @@
/* /*
** $Id: lauxlib.c,v 1.140 2005/07/12 14:32:48 roberto Exp roberto $ ** $Id: lauxlib.c,v 1.141 2005/07/13 19:02:42 roberto Exp roberto $
** Auxiliary functions for building Lua libraries ** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@ -42,7 +42,8 @@
LUALIB_API int luaL_argerror (lua_State *L, int narg, const char *extramsg) { LUALIB_API int luaL_argerror (lua_State *L, int narg, const char *extramsg) {
lua_Debug ar; lua_Debug ar;
lua_getstack(L, 0, &ar); if (!lua_getstack(L, 0, &ar)) /* no stack frame? */
return luaL_error(L, "bad argument #%d (%s)", narg, extramsg);
lua_getinfo(L, "n", &ar); lua_getinfo(L, "n", &ar);
if (strcmp(ar.namewhat, "method") == 0) { if (strcmp(ar.namewhat, "method") == 0) {
narg--; /* do not count `self' */ narg--; /* do not count `self' */