Mark htonll() as "const" function

- htonll() is a pure "const" function as it only manipulates the
  value passed to it and only calls htonl() functions which are
  also const.
- Also fix up the function prototype formatting

1 files changed, 3 insertions, 1 deletions

diff --git a/lib/header.c b/lib/header.c
index 144ed9bcb..f2253fe68 100644
--- a/lib/header.c
+++ b/lib/header.c
@@ -101,7 +101,9 @@ static const size_t headerMaxbytes = (32*1024*1024);
 #define	ENTRY_IN_REGION(_e)	((_e)->info.offset < 0)
 
 /* Convert a 64bit value to network byte order. */
-static uint64_t htonll( uint64_t n ) {
+RPM_GNUC_CONST
+static uint64_t htonll(uint64_t n)
+{
     uint32_t *i = (uint32_t*)&n;
     uint32_t b = i[0];
     i[0] = htonl(i[1]);