X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Fcommon%2Fmacros.h;h=8ae6535d0de57ed1878bf42b98d37163fadccb49;hb=f8f3885cc52af9d3c951da78989d6f4a25270411;hp=0e11d3c7ac2f8179ea98bda74293c91158d6b2c2;hpb=de7e372efecc2cf51921f2ac5a657337e04a39d3;p=lttng-tools.git

diff --git a/src/common/macros.h b/src/common/macros.h
index 0e11d3c7a..8ae6535d0 100644
--- a/src/common/macros.h
+++ b/src/common/macros.h
@@ -78,6 +78,8 @@ void *zmalloc(size_t len)
 #define LTTNG_HIDDEN __attribute__((visibility("hidden")))
 #endif
 
+#define member_sizeof(type, field)	sizeof(((type *) 0)->field)
+
 /*
  * lttng_strncpy returns 0 on success, or nonzero on failure.
  * It checks that the @src string fits into @dst_len before performing