optimize ntohl etc. in terms of bswap functions

[musl] / src / network / htons.c

diff --git a/src/network/htons.c b/src/network/htons.c
index 522504a..03a3a1d 100644 (file)
--- a/src/network/htons.c
+++ b/src/network/htons.c
@@ -1,10 +1,8 @@
 #include <netinet/in.h>
+#include <byteswap.h>
 
 uint16_t htons(uint16_t n)
 {
-       union {
-               uint8_t b[2];
-               uint16_t s;
-       } u = { { n>>8, n } };
-       return u.s;
+       union { int i; char c; } u = { 1 };
+       return u.c ? bswap_16(n) : n;
 }