newtRef NsGetEnv(newtRefArg rcvr, newtRefArg r)
{
if (! NewtRefIsString(r))
return NewtThrow(kNErrNotAString, r);
return NewtGetEnv(NewtRefToString(r));
}
void NewtInitSysEnv(void)
{
struct {
char * name;
newtRefVar slot;
const char * defaultValue;
} envs[] = {
{"NEWTLIB", NSSYM0(NEWTLIB), __LIBDIR__ ":."},
{"PLATFORM", NSSYM(PLATFORM), __PLATFORM__},
{"DYLIBSUFFIX", NSSYM(DYLIBSUFFIX), __DYLIBSUFFIX__},
{NULL, kNewtRefUnbind, NULL}
};
newtRefVar env;
newtRefVar proto;
newtRefVar v;
uint16_t i;
env = NcMakeFrame();
proto = NcMakeFrame();
for (i = 0; envs[i].name != NULL; i++)
{
NcSetSlot(proto, envs[i].slot, NewtMakeString(envs[i].defaultValue, true));
}
/* NEWTLIB is a special case, it can be overridden from the value in
the global variables. */
v = NewtGetEnv("NEWTLIB");
if (NewtRefIsString(v))
{
v = NcSplit(v, NewtMakeCharacter(':'));
NcSetSlot(proto, NSSYM0(NEWTLIB), v);
}
else
{
newtRefVar default_newtlib_array[] = {NSSTR(__LIBDIR__), NSSTR(".")};
newtRefVar default_newtlib = NewtMakeArray2(
kNewtRefNIL,
sizeof(default_newtlib_array) / sizeof(newtRefVar),
default_newtlib_array);
NcSetSlot(proto, NSSYM0(NEWTLIB), default_newtlib);
}
NcSetSlot(env, NSSYM0(_proto), NewtPackLiteral(proto));
NcSetSlot(GLOBALS, NSSYM0(_ENV_), env);
}
