optimize ntohl etc. in terms of bswap functions

[musl] / src / network / htonl.c

diff --git a/src/network/htonl.c b/src/network/htonl.c
index b21dace..6622d16 100644 (file)
--- a/src/network/htonl.c
+++ b/src/network/htonl.c
@@ -1,10 +1,8 @@
 #include <netinet/in.h>
+#include <byteswap.h>
 
 uint32_t htonl(uint32_t n)
 {
-       union {
-               uint8_t b[4];
-               uint32_t i;
-       } u = { { n>>24, n>>16, n>>8, n } };
-       return u.i;
+       union { int i; char c; } u = { 1 };
+       return u.c ? bswap_32(n) : n;
 }