X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Flibpspp%2Fhash.h;h=06e4d084ed77feb31f16496cb2b6312d5b643b54;hb=ac2f16c0421fc0d2d404f9555db5f2eb5d555a7b;hp=aa4041c4d96b2523712e9252e8606b26c05e0e79;hpb=d952b28d04934457b559e5f099db97a183561f65;p=pspp

diff --git a/src/libpspp/hash.h b/src/libpspp/hash.h
index aa4041c4d9..06e4d084ed 100644
--- a/src/libpspp/hash.h
+++ b/src/libpspp/hash.h
@@ -1,6 +1,5 @@
 /* PSPP - computes sample statistics.
    Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
-   Written by Ben Pfaff <blp@gnu.org>.
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
@@ -23,9 +22,9 @@
 #include <stddef.h>
 #include <stdbool.h>
 
-typedef int hsh_compare_func (const void *, const void *, void *aux);
-typedef unsigned hsh_hash_func (const void *, void *aux);
-typedef void hsh_free_func (void *, void *aux);
+typedef int hsh_compare_func (const void *, const void *, const void *aux);
+typedef unsigned hsh_hash_func (const void *, const void *aux);
+typedef void hsh_free_func (void *, const void *aux);
 
 /* Hash table iterator (opaque). */
 struct hsh_iterator
@@ -43,13 +42,13 @@ unsigned hsh_hash_double (double);
 /* Hash tables. */
 struct hsh_table *hsh_create (int m, hsh_compare_func *,
                               hsh_hash_func *, hsh_free_func *,
-			      void *aux);
+			      const void *aux);
 
 struct pool;
 struct hsh_table *hsh_create_pool (struct pool *pool, int m, 
 				   hsh_compare_func *,
 				   hsh_hash_func *, hsh_free_func *,
-				   void *aux);
+				   const void *aux);
 
 void hsh_clear (struct hsh_table *);
 void hsh_destroy (struct hsh_table *);