diff options
Diffstat (limited to 'lib/skiplist.h')
| -rw-r--r-- | lib/skiplist.h | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/lib/skiplist.h b/lib/skiplist.h index 2ab37331c..a106a455d 100644 --- a/lib/skiplist.h +++ b/lib/skiplist.h @@ -68,7 +68,7 @@ struct skiplist { * Returns -1 if val1 < val2, 0 if equal?, 1 if val1 > val2. * Used as definition of sorted for listnode_add_sort */ - int (*cmp)(void *val1, void *val2); + int (*cmp)(const void *val1, const void *val2); /* callback to free user-owned data when listnode is deleted. supplying * this callback is very much encouraged! @@ -81,8 +81,9 @@ struct skiplist { extern struct skiplist * skiplist_new(/* encouraged: set list.del callback on new lists */ int flags, - int (*cmp)(void *key1, void *key2), /* NULL => default cmp */ - void (*del)(void *val)); /* NULL => no auto val free */ + int (*cmp)(const void *key1, + const void *key2), /* NULL => default cmp */ + void (*del)(void *val)); /* NULL => no auto val free */ extern void skiplist_free(struct skiplist *); @@ -96,12 +97,12 @@ extern int skiplist_search(register struct skiplist *l, register void *key, void **valuePointer); extern int skiplist_first_value(register struct skiplist *l, /* in */ - register void *key, /* in */ - void **valuePointer, /* in/out */ + register const void *key, /* in */ + void **valuePointer, /* in/out */ void **cursor); /* out */ extern int skiplist_next_value(register struct skiplist *l, /* in */ - register void *key, /* in */ + register const void *key, /* in */ void **valuePointer, /* in/out */ void **cursor); /* in/out */ |