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authorNick Clifton <nickc@redhat.com>2006-12-06 14:36:41 +0000
committerNick Clifton <nickc@redhat.com>2006-12-06 14:36:41 +0000
commit017b276a7623b6bdd1d3d0310c83d208114fb0d1 (patch)
tree3c284857000bd5a564edc8243f27534ea5a0949c /include/ansidecl.h
parentbf8ea306ec8956f8ffc245e5f8efef58a44eebca (diff)
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Define ATTRIBUTE_PACKED and use as necessary.
Diffstat (limited to 'include/ansidecl.h')
-rw-r--r--include/ansidecl.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/ansidecl.h b/include/ansidecl.h
index a1a765d..793b1e6 100644
--- a/include/ansidecl.h
+++ b/include/ansidecl.h
@@ -361,6 +361,12 @@ So instead we use the macro below and test it against specific values. */
# endif /* GNUC >= 3.0 */
#endif /* ATTRIBUTE_ALIGNED_ALIGNOF */
+/* Useful for structures whoes layout must much some binary specification
+ regardless of the alignment and padding qualities of the compiler. */
+#ifndef ATTRIBUTE_PACKED
+# define ATTRIBUTE_PACKED __attribute__ ((packed))
+#endif
+
/* We use __extension__ in some places to suppress -pedantic warnings
about GCC extensions. This feature didn't work properly before
gcc 2.8. */