X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flibpspp%2Fhash-functions.h;h=6fb339be31acd8dbaf841178658cfc2448629a27;hb=96ccc18094e24d977bb8285143dc4c69f9caa8b4;hp=bdf3da31ab7578fa464b693fe059b91382957ee3;hpb=00682302c6f2ea7b64370105f10f010e16fe022e;p=pspp

diff --git a/src/libpspp/hash-functions.h b/src/libpspp/hash-functions.h
index bdf3da31ab..6fb339be31 100644
--- a/src/libpspp/hash-functions.h
+++ b/src/libpspp/hash-functions.h
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 1997-9, 2000, 2009, 2010 Free Software Foundation, Inc.
+   Copyright (C) 1997-9, 2000, 2009, 2010, 2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -17,13 +17,13 @@
 #ifndef LIBPSPP_HASH_FUNCTIONS_H
 #define LIBPSPP_HASH_FUNCTIONS_H 1
 
+#include "libpspp/compiler.h"
 #include <stddef.h>
 
-unsigned int hash_bytes (const void *, size_t, unsigned int basis);
-unsigned int hash_string (const char *, unsigned int basis);
-unsigned int hash_case_string (const char *, unsigned int basis);
-unsigned int hash_int (int, unsigned int basis);
-unsigned int hash_double (double, unsigned int basis);
-unsigned int hash_pointer (const void *, unsigned int basis);
+unsigned int hash_bytes (const void *, size_t, unsigned int basis) WARN_UNUSED_RESULT;
+unsigned int hash_string (const char *, unsigned int basis) WARN_UNUSED_RESULT;
+unsigned int hash_int (int, unsigned int basis) WARN_UNUSED_RESULT;
+unsigned int hash_double (double, unsigned int basis) WARN_UNUSED_RESULT;
+unsigned int hash_pointer (const void *, unsigned int basis) WARN_UNUSED_RESULT;
 
 #endif /* libpspp/hash-functions.h */