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Diffstat (limited to 'util.h')
-rw-r--r--util.h37
1 files changed, 11 insertions, 26 deletions
diff --git a/util.h b/util.h
index 3baec91..b4c139d 100644
--- a/util.h
+++ b/util.h
@@ -69,6 +69,14 @@
#define MAC_ZERO ((uint8_t [ETH_ALEN]){ 0 })
#define MAC_IS_ZERO(addr) (!memcmp((addr), MAC_ZERO, ETH_ALEN))
+#if __BYTE_ORDER == __BIG_ENDIAN
+#define htons_constant(x) (x)
+#define htonl_constant(x) (x)
+#else
+#define htons_constant(x) (__bswap_constant_16(x))
+#define htonl_constant(x) (__bswap_constant_32(x))
+#endif
+
#define IN4_IS_ADDR_UNSPECIFIED(a) \
((a)->s_addr == htonl(INADDR_ANY))
#define IN4_IS_ADDR_BROADCAST(a) \
@@ -79,13 +87,8 @@
(IN_MULTICAST(ntohl((a)->s_addr)))
#define IN4_ARE_ADDR_EQUAL(a, b) \
(((struct in_addr *)(a))->s_addr == ((struct in_addr *)b)->s_addr)
-#if __BYTE_ORDER == __BIG_ENDIAN
-#define IN4ADDR_LOOPBACK_INIT \
- { .s_addr = INADDR_LOOPBACK }
-#else
#define IN4ADDR_LOOPBACK_INIT \
- { .s_addr = __bswap_constant_32(INADDR_LOOPBACK) }
-#endif
+ { .s_addr = htonl_constant(INADDR_LOOPBACK) }
#define NS_FN_STACK_SIZE (RLIMIT_STACK_VAL * 1024 / 8)
int do_clone(int (*fn)(void *), char *stack_area, size_t stack_size, int flags,
@@ -99,37 +102,19 @@ int do_clone(int (*fn)(void *), char *stack_area, size_t stack_size, int flags,
(void *)(arg)); \
} while (0)
-#if __BYTE_ORDER == __BIG_ENDIAN
-#define L2_BUF_ETH_IP4_INIT \
- { \
- .h_dest = { 0 }, \
- .h_source = { 0 }, \
- .h_proto = ETH_P_IP, \
- }
-#else
#define L2_BUF_ETH_IP4_INIT \
{ \
.h_dest = { 0 }, \
.h_source = { 0 }, \
- .h_proto = __bswap_constant_16(ETH_P_IP), \
+ .h_proto = htons_constant(ETH_P_IP), \
}
-#endif
-#if __BYTE_ORDER == __BIG_ENDIAN
-#define L2_BUF_ETH_IP6_INIT \
- { \
- .h_dest = { 0 }, \
- .h_source = { 0 }, \
- .h_proto = ETH_P_IPV6, \
- }
-#else
#define L2_BUF_ETH_IP6_INIT \
{ \
.h_dest = { 0 }, \
.h_source = { 0 }, \
- .h_proto = __bswap_constant_16(ETH_P_IPV6), \
+ .h_proto = htons_constant(ETH_P_IPV6), \
}
-#endif
#define L2_BUF_IP4_INIT(proto) \
{ \