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'checkversion' implemented in the auxiliary library

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Roberto Ierusalimschy
2009-06-18 15:59:58 -03:00
parent 1d6ebce296
commit 4a818f068a
3 changed files with 16 additions and 5 deletions
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13
lauxlib.c
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@@ -1,5 +1,5 @@
/*
** $Id: lauxlib.c,v 1.185 2009/03/31 17:25:08 roberto Exp roberto $
** $Id: lauxlib.c,v 1.186 2009/04/02 19:54:06 roberto Exp roberto $
** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h
*/
@@ -649,7 +649,7 @@ static int libsize (const luaL_Reg *l) {
LUALIB_API void luaL_register (lua_State *L, const char *libname,
const luaL_Reg *l) {
lua_checkversion(L);
luaL_checkversion(L);
if (libname) {
/* check whether lib already exists */
luaL_findtable(L, LUA_REGISTRYINDEX, "_LOADED", 1);
@@ -740,3 +740,12 @@ LUALIB_API lua_State *luaL_newstate (void) {
return L;
}
LUALIB_API void luaL_checkversion_ (lua_State *L, lua_Number ver) {
const lua_Number *v = lua_version(L);
if (v != lua_version(NULL))
luaL_error(L, "application using two incompatible Lua VMs");
else if (*v != ver)
luaL_error(L, "application and Lua core using different Lua versions"
"(%d x %d)", (int)*v, (int)ver);
}