NODE *
builtin_check(struct symtab *sp, NODE *a)
{
const struct bitable *bt;
if (sp->soffset < 0 ||
sp->soffset >= (int)(sizeof(bitable)/sizeof(bitable[0])))
cerror("builtin_check");
bt = &bitable[sp->soffset];
if ((bt->flags & BTNOEVE) == 0 && a != NIL)
a = eve(a);
if (((bt->flags & BTNOPROTO) == 0) && acnt(a, bt->narg, bt->tp)) {
uerror("wrong argument count to %s", bt->name);
return bcon(0);
}
return (*bt->fun)(bt, a);
}
NODE *
builtin_check(NODE *f, NODE *a)
{
const struct bitable *bt;
int i;
for (i = 0; i < (int)(sizeof(bitable)/sizeof(bitable[0])); i++) {
bt = &bitable[i];
if (strcmp(bt->name, f->n_sp->sname))
continue;
if (bt->narg >= 0 && acnt(a, bt->narg, bt->tp)) {
uerror("wrong argument count to %s", bt->name);
return bcon(0);
}
return (*bt->fun)(f, a, bt->rt);
}
return NIL;
}
