endian: add constant versions.

[ccan] / ccan / strmap / strmap.h

diff --git a/ccan/strmap/strmap.h b/ccan/strmap/strmap.h
index e85b8c8f898f599d9d292f8367d1dcf3d7468fdd..8fabc359acc64e2d4a4603e7097cfe93b3b2be17 100644 (file)
--- a/ccan/strmap/strmap.h
+++ b/ccan/strmap/strmap.h
@@ -77,7 +77,7 @@ static inline bool strmap_empty_(const struct strmap *map)
  * @map: the typed strmap to search.
  * @member: the string to search for.
  *
- * Returns the value, or NULL if it isn't in the map.
+ * Returns the value, or NULL if it isn't in the map (and sets errno = ENOENT).
  *
  * Example:
  *     int *val = strmap_get(&map, "hello");
@@ -118,7 +118,9 @@ bool strmap_add_(struct strmap *map, const char *member, const void *value);
  * @member: the string to remove from the map.
  * @valuep: the value (if non-NULL)
  *
- * This returns the string which was passed to strmap_map(), or NULL.
+ * This returns the string which was passed to strmap_map(), or NULL if
+ * it was not in the map (and sets errno = ENOENT).
+ *
  * This means that if you allocated a string (eg. using strdup()), you
  * can free it here.  Similarly, the value is returned in @valuep if
  * @valuep is not NULL.
@@ -154,7 +156,7 @@ void strmap_clear_(struct strmap *map);
  * @handle's prototype should be:
  *     bool @handle(const char *member, type value, typeof(arg) arg)
  *
- * If @handle returns true, the iteration will stop.
+ * If @handle returns false, the iteration will stop.
  * You should not alter the map within the @handle function!
  *
  * Example:
@@ -165,9 +167,9 @@ void strmap_clear_(struct strmap *map);
  *     {
  *             // Only dump out num nodes.
  *             if (*(num--) == 0)
- *                     return true;
+ *                     return false;
  *             printf("%s=>%i\n", member, *value);
- *             return false;
+ *             return true;
  *     }
  *
  *     static void dump_map(const struct strmap_intp *map)
@@ -187,8 +189,8 @@ void strmap_clear_(struct strmap *map);
                                                  __typeof__(arg)), (handle)), \
                        (arg))
 void strmap_iterate_(const struct strmap *map,
-                    bool (*handle)(const char *, void *, void *), void *data);
-
+                    bool (*handle)(const char *, void *, void *),
+                    const void *data);
 
 /**
  * strmap_prefix - return a submap matching a prefix