diff options
Diffstat (limited to 'options.c')
| -rw-r--r-- | options.c | 28 |
1 files changed, 26 insertions, 2 deletions
@@ -29,6 +29,13 @@ * a red-black tree. */ +struct options { + RB_HEAD(options_tree, options_entry) tree; + struct options *parent; +}; + +int options_cmp(struct options_entry *, struct options_entry *); +RB_PROTOTYPE(options_tree, options_entry, entry, options_cmp); RB_GENERATE(options_tree, options_entry, entry, options_cmp); int @@ -37,11 +44,15 @@ options_cmp(struct options_entry *o1, struct options_entry *o2) return (strcmp(o1->name, o2->name)); } -void -options_init(struct options *oo, struct options *parent) +struct options * +options_create(struct options *parent) { + struct options *oo; + + oo = xcalloc(1, sizeof *oo); RB_INIT(&oo->tree); oo->parent = parent; + return (oo); } void @@ -57,6 +68,19 @@ options_free(struct options *oo) free(o->str); free(o); } + free(oo); +} + +struct options_entry * +options_first(struct options *oo) +{ + return (RB_MIN(options_tree, &oo->tree)); +} + +struct options_entry * +options_next(struct options_entry *o) +{ + return (RB_NEXT(options_tree, &oo->tree, o)); } struct options_entry * |