include/ChangeLog:
* libiberty.h (CLEAR_VAR): New macro.
---
include/libiberty.h | 4
1 file changed, 4 insertions(+)
diff --git a/include/libiberty.h b/include/libiberty.h
index b33dd65..93e4131 100644
--- a/include/libiberty.h
+++ b/include/libiberty.h
@@ -699,6 +699,10 @@ extern
+/* Fill an lvalue with zero bits. */
+#define CLEAR_VAR(S) \
+ do { memset ((S), 0, sizeof (S)); } while (0)
Hmmm... I don't see the point in this. The macro is almost as long as
a bare memset() would be, and replaces a well-known function with
something unknown outside this project. It
FWIW I'm not in love with the name of the macro, but I find it useful.
In the initial version of patches 10 and 12 (state purging within gas
and ld subdirs) I didn't have this macro, and had about 30 memset
invocations.
Another option is to save the state as it was initialized, and restore
On Mon, 2015-06-01 at 17:47 -0400, DJ Delorie wrote:
+/* Fill an lvalue with zero bits. */
+#define CLEAR_VAR(S) \
+ do { memset ((S), 0, sizeof (S)); } while (0)
Hmmm... I don't see the point in this. The macro is almost as long as
a bare memset() would be, and replaces a well-known
