From b77595688b752c40cc50a33471aa0e4de08da0c6 Mon Sep 17 00:00:00 2001
From: "Stephen M. Cameron" <stephenmcameron@gmail.com>
Date: Fri, 24 Feb 2012 08:17:31 +0100
Subject: [PATCH] fio: factor out endian_check

Signed-off-by: Stephen M. Cameron <stephenmcameron@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 Makefile       |  3 ++-
 endian_check.c | 33 +++++++++++++++++++++++++++++++++
 endian_check.h |  6 ++++++
 fio.c          | 31 +------------------------------
 4 files changed, 42 insertions(+), 31 deletions(-)
 create mode 100644 endian_check.c
 create mode 100644 endian_check.h

diff --git a/Makefile b/Makefile
index 888715ed..434ad704 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,8 @@ SOURCE := gettime.c fio.c ioengines.c init.c stat.c log.c time.c filesetup.c \
 		rbtree.c smalloc.c filehash.c profile.c debug.c lib/rand.c \
 		lib/num2str.c lib/ieee754.c $(wildcard crc/*.c) engines/cpu.c \
 		engines/mmap.c engines/sync.c engines/null.c engines/net.c \
-		memalign.c server.c client.c iolog.c backend.c libfio.c flow.c
+		memalign.c server.c client.c iolog.c backend.c libfio.c flow.c \
+		endian_check.c
 
 ifeq ($(UNAME), Linux)
   SOURCE += diskutil.c fifo.c blktrace.c helpers.c cgroup.c trim.c \
diff --git a/endian_check.c b/endian_check.c
new file mode 100644
index 00000000..c6fc3e2f
--- /dev/null
+++ b/endian_check.c
@@ -0,0 +1,33 @@
+#include <stdint.h>
+#include "os/os.h"
+
+int endian_check(void)
+{
+	union {
+		uint8_t c[8];
+		uint64_t v;
+	} u;
+	int le = 0, be = 0;
+
+	u.v = 0x12;
+	if (u.c[7] == 0x12)
+		be = 1;
+	else if (u.c[0] == 0x12)
+		le = 1;
+
+#if defined(FIO_LITTLE_ENDIAN)
+	if (be)
+		return 1;
+#elif defined(FIO_BIG_ENDIAN)
+	if (le)
+		return 1;
+#else
+	return 1;
+#endif
+
+	if (!le && !be)
+		return 1;
+
+	return 0;
+}
+
diff --git a/endian_check.h b/endian_check.h
new file mode 100644
index 00000000..2e06c3b9
--- /dev/null
+++ b/endian_check.h
@@ -0,0 +1,6 @@
+#ifndef ENDIAN_CHECK_H
+#define ENDIAN_CHECK_H
+
+int endian_check(void);
+
+#endif 
diff --git a/fio.c b/fio.c
index 2ca4fe69..99d6209a 100644
--- a/fio.c
+++ b/fio.c
@@ -36,40 +36,11 @@
 #include "memalign.h"
 #include "client.h"
 #include "server.h"
+#include "endian_check.h"
 
 unsigned long page_mask;
 unsigned long page_size;
 
-static int endian_check(void)
-{
-	union {
-		uint8_t c[8];
-		uint64_t v;
-	} u;
-	int le = 0, be = 0;
-
-	u.v = 0x12;
-	if (u.c[7] == 0x12)
-		be = 1;
-	else if (u.c[0] == 0x12)
-		le = 1;
-
-#if defined(FIO_LITTLE_ENDIAN)
-	if (be)
-		return 1;
-#elif defined(FIO_BIG_ENDIAN)
-	if (le)
-		return 1;
-#else
-	return 1;
-#endif
-
-	if (!le && !be)
-		return 1;
-
-	return 0;
-}
-
 int main(int argc, char *argv[], char *envp[])
 {
 	long ps;
-- 
2.25.1