Applying patch #5562

[pspp-builds.git] / src / libpspp / hash.h

diff --git a/src/libpspp/hash.h b/src/libpspp/hash.h
index aa4041c4d96b2523712e9252e8606b26c05e0e79..af1cdacdc82ae8417c37b8c2abd298d3b93d6125 100644 (file)
--- a/src/libpspp/hash.h
+++ b/src/libpspp/hash.h
@@ -23,9 +23,9 @@
 #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 +43,13 @@ 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 *);