return r;
}
+/* Take a list consisting of a closure and some other things. Apply the
+ closure to the other things, and return the resulting list */
+static list_t *map(closure_t *self, struct cloc loc, dict_t *context,
+ list_t *args)
+{
+ list_t *r=NULL, *al;
+ item_t *ci;
+ closure_t *cl;
+ list_t se;
+
+ ci=list_elem(args,0);
+ if (ci && ci->type==t_closure) {
+ cl=ci->data.closure;
+ if (!cl->apply) {
+ cfgfatal(loc,"map","closure cannot be applied\n");
+ }
+ for (al=args->next; al; al=al->next) {
+ /* Construct a single-element list */
+ se.next=NULL;
+ se.item=al->item;
+ /* Invoke the closure, append its result to the output */
+ r=list_append_list(r,cl->apply(cl,loc,context,&se));
+ }
+ } else {
+ cfgfatal(loc,"map","you must supply a closure as the "
+ "first argument\n");
+ }
+ return r;
+}
+
/* Read a file and turn it into a string */
static list_t *readfile(closure_t *self, struct cloc loc,
dict_t *context, list_t *args)
add_closure(root,"makelist",makelist);
add_closure(root,"readfile",readfile);
+ add_closure(root,"map",map);
init_builtin_modules(root);
return NULL;
}
+uint32_t list_length(list_t *a)
+{
+ uint32_t l=0;
+ list_t *i;
+ for (i=a; i; i=i->next) l++;
+ return l;
+}
+
+list_t *list_copy(list_t *a)
+{
+ list_t *r, *i, *b, *l;
+
+ if (!a) return NULL;
+ l=NULL;
+ r=NULL;
+ for (i=a; i; i=i->next) {
+ b=safe_malloc(sizeof(*b),"list_copy");
+ if (l) l->next=b; else r=b;
+ l=b;
+ b->item=i->item;
+ b->next=NULL;
+ }
+ return r;
+}
+
list_t *list_append_list(list_t *a, list_t *b)
{
list_t *i;
+ b=list_copy(b);
if (!a) return b;
for (i=a; i->next; i=i->next);
i->next=b;
}
s.prefix=(a<<24)|(b<<16)|(c<<8)|(d);
s.mask=(~0UL << (32-n));
+ s.len=n;
if (s.prefix & ~s.mask) {
cfgfatal(i->loc,desc,"\"%s\": prefix not fully contained "
"in mask\n",i->data.string);
}
}
+uint32_t string_to_word(string_t s, struct cloc loc,
+ struct flagstr *f, string_t desc)
+{
+ struct flagstr *j;
+ for (j=f; j->name; j++)
+ if (strcmp(s,j->name)==0)
+ return j->value;
+ cfgfatal(loc,desc,"option \"%s\" not known\n",s);
+ return 0;
+}
+
+uint32_t string_list_to_word(list_t *l, struct flagstr *f, string_t desc)
+{
+ list_t *i;
+ uint32_t r=0;
+ struct flagstr *j;
+
+ for (i=l; i; i=i->next) {
+ if (i->item->type!=t_string) {
+ cfgfatal(i->item->loc,desc,"all elements of list must be "
+ "strings\n");
+ }
+ for (j=f; j->name; j++)
+ r|=string_to_word(i->item->data.string,i->item->loc,f,desc);
+ }
+ return r;
+}
+
dict_t *read_conffile(char *name)
{
FILE *conffile;