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-rw-r--r--ChangeLog4
-rw-r--r--inet/netinet/in.h8
2 files changed, 8 insertions, 4 deletions
diff --git a/ChangeLog b/ChangeLog
index 83ee634a17..4a5f136531 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+1999-05-30 Ulrich Drepper <drepper@cygnus.com>
+
+ * inet/netinet/in.h: Mark ntoh* and hton* as constant functions.
+
1999-05-30 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* manual/stdio.texi: Fix some typos.
diff --git a/inet/netinet/in.h b/inet/netinet/in.h
index ee49fd0428..fc8f169bcf 100644
--- a/inet/netinet/in.h
+++ b/inet/netinet/in.h
@@ -230,10 +230,10 @@ struct ipv6_mreq
this was a short-sighted decision since on different systems the types
may have different representations but the values are always the same. */
-extern uint32_t ntohl __P ((uint32_t __netlong));
-extern uint16_t ntohs __P ((uint16_t __netshort));
-extern uint32_t htonl __P ((uint32_t __hostlong));
-extern uint16_t htons __P ((uint16_t __hostshort));
+extern uint32_t ntohl __P ((uint32_t __netlong)) __attribute__ ((__const__));
+extern uint16_t ntohs __P ((uint16_t __netshort)) __attribute__ ((__const__));
+extern uint32_t htonl __P ((uint32_t __hostlong)) __attribute__ ((__const__));
+extern uint16_t htons __P ((uint16_t __hostshort)) __attribute__ ((__const__));
#include <endian.h>