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[v15,03/18] trace-cmd: Add implementations of htonll() and ntohll()

Message ID 20191128085409.289684-4-tz.stoyanov@gmail.com (mailing list archive)
State Superseded
Headers show
Series Timestamp synchronization of host - guest tracing session | expand

Commit Message

Tzvetomir Stoyanov (VMware) Nov. 28, 2019, 8:53 a.m. UTC 
From: Tzvetomir Stoyanov <tstoyanov@vmware.com>

Implementations of htonll() and ntohll() are added as
macros, if they are not already defined.

Signed-off-by: Tzvetomir Stoyanov <tstoyanov@vmware.com>
---
 include/trace-cmd/trace-msg.h | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/include/trace-cmd/trace-msg.h b/include/trace-cmd/trace-msg.h
index aab8a69..654ca43 100644
--- a/include/trace-cmd/trace-msg.h
+++ b/include/trace-cmd/trace-msg.h
@@ -12,4 +12,14 @@ 
 
 extern unsigned int page_size;
 
+#ifndef htonll
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+#define htonll(x) __bswap_64(x)
+#define ntohll(x) __bswap_64(x)
+#else
+#define htonll(x) (x)
+#define ntohll(x) (x)
+#endif
+#endif
+
 #endif /* _TRACE_MSG_H_ */