X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=include%2Fbabeltrace%2Fctf%2Fmetadata.h;fp=include%2Fbabeltrace%2Fctf%2Fmetadata.h;h=e3cd325ae8aa6637b51c971541176b7f4f230a2a;hp=c197624793f932a9a3fb4495ec648c90a1760385;hb=a91a962ea08a77e07b733ada9d1eed9292bc8046;hpb=a0fe7d97d4a551665af7bd91f7571dc785a75951

diff --git a/include/babeltrace/ctf/metadata.h b/include/babeltrace/ctf/metadata.h
index c1976247..e3cd325a 100644
--- a/include/babeltrace/ctf/metadata.h
+++ b/include/babeltrace/ctf/metadata.h
@@ -179,6 +179,9 @@ struct ctf_event {
 	} field_mask;
 };
 
+#define HEADER_END		char end_field
+#define header_sizeof(type)	offsetof(typeof(type), end_field)
+
 struct metadata_packet_header {
 	uint32_t magic;			/* 0x75D11D57 */
 	uint8_t  uuid[16];		/* Unique Universal Identifier */
@@ -188,6 +191,8 @@ struct metadata_packet_header {
 	uint8_t  compression_scheme;	/* 0 if unused */
 	uint8_t  encryption_scheme;	/* 0 if unused */
 	uint8_t  checksum_scheme;	/* 0 if unused */
-} __attribute__((packed));
+	HEADER_END;
+};
+
 
 #endif /* _BABELTRACE_CTF_METADATA_H */