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inet: fix: possible unaligned access in packed structure (inet/inet6)
[lttng-tools.git]
/
src
/
common
/
macros.h
diff --git
a/src/common/macros.h
b/src/common/macros.h
index 9637a383013629baf868dfca60dc15a65da05757..e2d0fcf3eae8e61fd1c7030e5f807e3d1b92bdf6 100644
(file)
--- a/
src/common/macros.h
+++ b/
src/common/macros.h
@@
-87,6
+87,13
@@
void *zmalloc(size_t len)
#define member_sizeof(type, field) sizeof(((type *) 0)->field)
#define member_sizeof(type, field) sizeof(((type *) 0)->field)
+/*
+ * Get an aligned pointer to a value. This is meant
+ * as a helper to pass an aligned pointer to a member in a packed structure
+ * to a function.
+ */
+#define ALIGNED_CONST_PTR(value) (((const typeof(value) []) { value }))
+
/*
* lttng_strncpy returns 0 on success, or nonzero on failure.
* It checks that the @src string fits into @dst_len before performing
/*
* lttng_strncpy returns 0 on success, or nonzero on failure.
* It checks that the @src string fits into @dst_len before performing
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