Improve header commenting

1 files changed, 21 insertions, 0 deletions

diff --git a/src/list.h b/src/list.h
index 069aea1..d62f41a 100644
--- a/src/list.h
+++ b/src/list.h
@@ -4,36 +4,57 @@
 #include <stdlib.h>
 #include <string.h>
 
+/* Generic list. You know what this is. */
 struct list {
   size_t len;
   size_t cap;
   void **items;
 };
 
+/* Create a list instance */
 struct list *list_create(void);
 
+/* Clean up a list, caller should clean up contents of the list first */
 void list_free(struct list *list);
 
+/* Clean up a list, calling free() on each item first */
 void list_deep_free(struct list *list);
 
+/* Append an item to the list. Automatically resizes the list if needed */
 void list_append(struct list *list, void *item);
 
+/* Grow the list's storage to a given size, useful for avoiding unneccessary
+ * reallocations prior to inserting many items
+ */
 void list_grow(struct list *list, size_t min_size);
 
+/* Remove an item from the list at a given 0-based index */
 void list_remove(struct list *list, size_t index);
 
+/* Insert an item into the list before the given index */
 void list_insert(struct list *list, size_t index, void *item);
 
+/* Empty the list. Caller should clean up the contents of the list first */
 void list_clear(struct list *list);
 
+/* Split a null-terminated string, separating by the given delimiter.
+ * Multiple consecutive delimiters count as a single delimiter, so no empty
+ * string list items are emitted
+ */
 struct list *list_from_string(const char *string, char delim);
 
+/* Returns the index of the first item to match key, determined by the cmp
+ * function
+ */
 int list_find(
     struct list *list,
     int (*cmp)(const void *item, const void *key),
     const void *key
 );
 
+/* Assumes all list items are null-terminated strings, and concatenates them
+ * separated by sep, starting at the index given by start
+ */
 char *list_to_string(struct list *list, const char *sep, size_t start);
 
 #endif