extern char *
cfuopt_get_help_str(cfuopt_t *context) {
cfulist_t *desc_list = NULL;
size_t max_width = 0;
char *fmt = NULL;
_help_lines_ds ds;
char *help_str = NULL;
max_width = _find_longest_help_desc(context, &desc_list);
fmt = cfustring_sprintf_c_str(" %%-%us %%s\n", max_width);
ds.fmt = fmt;
ds.list = cfulist_new();
ds.desc_list = desc_list;
cfulist_foreach(desc_list, _get_help_lines, (void *)&ds);
help_str = cfulist_join(ds.list, "\n");
cfulist_destroy_with_free_fn(ds.list, _list_simple_free_fn);
cfulist_destroy_with_free_fn(desc_list, _desc_list_free);
free(fmt);
return help_str;
}
void
cfulist_destroy(cfulist_t *list) {
if (!list) return;
if (list->free_fn) {
cfulist_destroy_with_free_fn(list, list->free_fn);
return;
}
lock_list(list);
if (list->entries) {
cfulist_entry *entry = NULL;
cfulist_entry *tmp = NULL;
entry = list->entries;
while (entry) {
tmp = entry->next;
free(entry);
entry = tmp;
}
}
unlock_list(list);
#ifdef HAVE_PTHREAD_H
pthread_mutex_destroy(&list->mutex);
#endif
free(list);
}
static int
_find_foreach_fn(void *data, size_t data_size, void *arg) {
cfuopt_list_entry_t *opt = (cfuopt_list_entry_t *)data;
_find_foreach_ds *ds = (_find_foreach_ds *)arg;
size_t this_size = 0;
cfulist_t *param_full_list = NULL;
char *desc = NULL;
_cfuopt_desc *desc_ds = CFU_OPT_ALLOC(_cfuopt_desc, 1);
if (!data) return 0;
param_full_list = cfulist_map(opt->param_names, _param_map_fn, opt);
desc = cfulist_join(param_full_list, ", ");
data_size = data_size;
cfulist_destroy_with_free_fn(param_full_list, _simple_list_free_fn);
desc_ds->desc = desc;
desc_ds->entry = opt;
cfulist_push(ds->desc_list, desc_ds);
this_size = strlen(desc);
if (this_size > ds->max_size) ds->max_size = this_size;
return 0;
}
extern void
cfuopt_destroy(cfuopt_t *context) {
if (!context) return;
cfulist_destroy_with_free_fn(context->option_list, _opt_list_free_fn);
cfuhash_destroy(context->option_map);
cfulist_destroy(context->extra);
free(context->progname);
free(context);
}
static void
_opt_list_free_fn(void *data) {
cfuopt_list_entry_t *entry = (cfuopt_list_entry_t *)data;
cfulist_destroy_with_free_fn(entry->param_names, _simple_list_free_fn);
free(data);
}
