[PATCH] A few minor portability improvements

[Dan Fandrich]

Signed-off-by: Dan Fandrich <dan at coneharvesters.com>
---
 archival/libunarchive/unxz/xz_config.h |    2 ++
 include/platform.h                     |    4 ++--
 libbb/xconnect.c                       |    1 +
 networking/ipcalc.c                    |    4 ++--
 shell/hush.c                           |    2 +-
 5 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/archival/libunarchive/unxz/xz_config.h b/archival/libunarchive/unxz/xz_config.h
index ff90eff..a4141e1 100644
--- a/archival/libunarchive/unxz/xz_config.h
+++ b/archival/libunarchive/unxz/xz_config.h
@@ -32,7 +32,9 @@
 #define memeq(a, b, size) (memcmp(a, b, size) == 0)
 #define memzero(buf, size) memset(buf, 0, size)
 
+#ifndef min
 #define min(x, y) ((x) < (y) ? (x) : (y))
+#endif
 #define min_t(type, x, y) min(x, y)
 
 /*
diff --git a/include/platform.h b/include/platform.h
index e96b18d..0dadf42 100644
--- a/include/platform.h
+++ b/include/platform.h
@@ -169,10 +169,10 @@
 #if defined(__BIG_ENDIAN__) && __BIG_ENDIAN__
 # define BB_BIG_ENDIAN 1
 # define BB_LITTLE_ENDIAN 0
-#elif __BYTE_ORDER == __BIG_ENDIAN
+#elif defined(__BYTE_ORDER) && __BYTE_ORDER == __BIG_ENDIAN
 # define BB_BIG_ENDIAN 1
 # define BB_LITTLE_ENDIAN 0
-#elif __BYTE_ORDER == __LITTLE_ENDIAN
+#elif (defined(__BYTE_ORDER) && __BYTE_ORDER == __LITTLE_ENDIAN) || defined(__386__)
 # define BB_BIG_ENDIAN 0
 # define BB_LITTLE_ENDIAN 1
 #else
diff --git a/libbb/xconnect.c b/libbb/xconnect.c
index c3ee633..2de6de7 100644
--- a/libbb/xconnect.c
+++ b/libbb/xconnect.c
@@ -7,6 +7,7 @@
  * Licensed under GPLv2, see file LICENSE in this tarball for details.
  */
 
+#include <sys/types.h>
 #include <sys/socket.h> /* netinet/in.h needs it */
 #include <netinet/in.h>
 #include <net/if.h>
diff --git a/networking/ipcalc.c b/networking/ipcalc.c
index 17b2163..87f31fd 100644
--- a/networking/ipcalc.c
+++ b/networking/ipcalc.c
@@ -12,11 +12,11 @@
  * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
 
+#include "libbb.h"
+
 #include <sys/socket.h>
 #include <arpa/inet.h>
 
-#include "libbb.h"
-
 #define CLASS_A_NETMASK	ntohl(0xFF000000)
 #define CLASS_B_NETMASK	ntohl(0xFFFF0000)
 #define CLASS_C_NETMASK	ntohl(0xFFFFFF00)
diff --git a/shell/hush.c b/shell/hush.c
index 4832e2c..e64c923 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -1217,7 +1217,7 @@ static void hush_exit(int exitcode)
 
 static int check_and_run_traps(int sig)
 {
-	static const struct timespec zero_timespec = { 0, 0 };
+	static const struct timespec zero_timespec;
 	smalluint save_rcode;
 	int last_sig = 0;
 
-- 
1.5.3.2