[linux-lvm] [PATCH 1/7] thin-provisioning-tools: provide missing macros

[Mikulas Patocka]

Old glibc doesn't provide these macros, so we have to define them.

Signed-off-by: Mikulas Patocka <mpatocka at redhat.com>

---
 base/endian_utils.h |   20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

Index: thin-provisioning-tools/base/endian_utils.h
===================================================================
--- thin-provisioning-tools.orig/base/endian_utils.h	2014-11-08 00:26:05.000000000 +0100
+++ thin-provisioning-tools/base/endian_utils.h	2014-11-08 00:26:20.000000000 +0100
@@ -25,6 +25,26 @@
 
 //----------------------------------------------------------------
 
+/* An old glic doesn't provide these macros */
+#if !defined(htole16) || !defined(le16toh) || !defined(htole32) || !defined(le32toh) || !defined(htole64) || !defined(le64toh)
+#include <byteswap.h>
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define htole16(x) (x)
+#define le16toh(x) (x)
+#define htole32(x) (x)
+#define le32toh(x) (x)
+#define htole64(x) (x)
+#define le64toh(x) (x)
+#else
+#define htole16(x) __bswap_16(x)
+#define le16toh(x) __bswap_16(x)
+#define htole32(x) __bswap_32(x)
+#define le32toh(x) __bswap_32(x)
+#define htole64(x) __bswap_64(x)
+#define le64toh(x) __bswap_64(x)
+#endif
+#endif
+
 namespace base {
 
 	// These are just little wrapper types to make the compiler