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when possible, library functions accept nil as none

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Roberto Ierusalimschy
2002-03-27 12:30:41 -03:00
parent 405e3a4597
commit d1f220217b
5 changed files with 13 additions and 13 deletions
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6
lauxlib.c
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@@ -1,5 +1,5 @@
/*
** $Id: lauxlib.c,v 1.61 2002/03/07 18:15:10 roberto Exp roberto $
** $Id: lauxlib.c,v 1.62 2002/03/20 12:54:08 roberto Exp roberto $
** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h
*/
@@ -93,7 +93,7 @@ LUALIB_API const char *luaL_check_lstr (lua_State *L, int narg, size_t *len) {
LUALIB_API const char *luaL_opt_lstr (lua_State *L, int narg, const char *def, size_t *len) {
if (lua_isnone(L, narg)) {
if (lua_isnoneornil(L, narg)) {
if (len)
*len = (def ? strlen(def) : 0);
return def;
@@ -111,7 +111,7 @@ LUALIB_API lua_Number luaL_check_number (lua_State *L, int narg) {
LUALIB_API lua_Number luaL_opt_number (lua_State *L, int narg, lua_Number def) {
if (lua_isnone(L, narg)) return def;
if (lua_isnoneornil(L, narg)) return def;
else return luaL_check_number(L, narg);
}