Documentation: help: describe 'man.viewer' config variable

diff --git a/path-list.c b/path-list.c
index dcb4b3ac139a5a264df04d91cee17679efe55aa6..92e5cf20fe6e0891eb6cc8f230a0fcd238f2b9f8 100644 (file)
--- a/path-list.c
+++ b/path-list.c
@@ -76,16 +76,18 @@ struct path_list_item *path_list_lookup(const char *path, struct path_list *list
        return list->items + i;
 }
 
-void path_list_clear(struct path_list *list, int free_items)
+void path_list_clear(struct path_list *list, int free_util)
 {
        if (list->items) {
                int i;
-               if (free_items)
-                       for (i = 0; i < list->nr; i++) {
-                               if (list->strdup_paths)
-                                       free(list->items[i].path);
+               if (list->strdup_paths) {
+                       for (i = 0; i < list->nr; i++)
+                               free(list->items[i].path);
+               }
+               if (free_util) {
+                       for (i = 0; i < list->nr; i++)
                                free(list->items[i].util);
-                       }
+               }
                free(list->items);
        }
        list->items = NULL;
@@ -100,3 +102,33 @@ void print_path_list(const char *text, const struct path_list *p)
        for (i = 0; i < p->nr; i++)
                printf("%s:%p\n", p->items[i].path, p->items[i].util);
 }
+
+struct path_list_item *path_list_append(const char *path, struct path_list *list)
+{
+       ALLOC_GROW(list->items, list->nr + 1, list->alloc);
+       list->items[list->nr].path =
+               list->strdup_paths ? xstrdup(path) : (char *)path;
+       return list->items + list->nr++;
+}
+
+static int cmp_items(const void *a, const void *b)
+{
+       const struct path_list_item *one = a;
+       const struct path_list_item *two = b;
+       return strcmp(one->path, two->path);
+}
+
+void sort_path_list(struct path_list *list)
+{
+       qsort(list->items, list->nr, sizeof(*list->items), cmp_items);
+}
+
+int unsorted_path_list_has_path(struct path_list *list, const char *path)
+{
+       int i;
+       for (i = 0; i < list->nr; i++)
+               if (!strcmp(path, list->items[i].path))
+                       return 1;
+       return 0;
+}
+