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better error messages for luaL_checkversion

This commit is contained in:
Roberto Ierusalimschy 2009-06-19 11:21:57 -03:00
parent 02504d86d3
commit 47c562435b
1 changed files with 5 additions and 4 deletions
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9
lauxlib.c
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@ -1,5 +1,5 @@
/* /*
** $Id: lauxlib.c,v 1.186 2009/04/02 19:54:06 roberto Exp roberto $ ** $Id: lauxlib.c,v 1.187 2009/06/18 18:59:58 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
*/ */
@ -744,8 +744,9 @@ LUALIB_API lua_State *luaL_newstate (void) {
LUALIB_API void luaL_checkversion_ (lua_State *L, lua_Number ver) { LUALIB_API void luaL_checkversion_ (lua_State *L, lua_Number ver) {
const lua_Number *v = lua_version(L); const lua_Number *v = lua_version(L);
if (v != lua_version(NULL)) if (v != lua_version(NULL))
luaL_error(L, "application using two incompatible Lua VMs"); luaL_error(L, "multiple Lua VMs detected");
else if (*v != ver) else if (*v != ver)
luaL_error(L, "application and Lua core using different Lua versions" luaL_error(L, "version mismatch: app. needs %d, Lua core provides %f",
"(%d x %d)", (int)*v, (int)ver); ver, *v);
} }