diff options
Diffstat (limited to 'src/loadlib.c')
| -rw-r--r-- | src/loadlib.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/src/loadlib.c b/src/loadlib.c index b9d76ca8..783bc12b 100644 --- a/src/loadlib.c +++ b/src/loadlib.c @@ -1,5 +1,5 @@ /* -** $Id: loadlib.c,v 1.107 2011/11/30 12:58:57 roberto Exp $ +** $Id: loadlib.c,v 1.108 2011/12/12 16:34:03 roberto Exp $ ** Dynamic library loader for Lua ** See Copyright Notice in lua.h ** @@ -615,12 +615,25 @@ static int ll_seeall (lua_State *L) { /* auxiliary mark (for internal use) */ #define AUXMARK "\1" + +/* +** return registry.LUA_NOENV as a boolean +*/ +static int noenv (lua_State *L) { + int b; + lua_getfield(L, LUA_REGISTRYINDEX, "LUA_NOENV"); + b = lua_toboolean(L, -1); + lua_pop(L, 1); /* remove value */ + return b; +} + + static void setpath (lua_State *L, const char *fieldname, const char *envname1, const char *envname2, const char *def) { const char *path = getenv(envname1); if (path == NULL) /* no environment variable? */ path = getenv(envname2); /* try alternative name */ - if (path == NULL) /* no environment variable? */ + if (path == NULL || noenv(L)) /* no environment variable? */ lua_pushstring(L, def); /* use default */ else { /* replace ";;" by ";AUXMARK;" and then AUXMARK by default path */ |