svn commit: r350902 - head/sys/powerpc/include
Leandro Lupori
luporl at FreeBSD.org
Mon Aug 12 17:18:21 UTC 2019
Author: luporl
Date: Mon Aug 12 17:18:20 2019
New Revision: 350902
URL: https://svnweb.freebsd.org/changeset/base/350902
Log:
[ppc] avoid empty mdproc struct
Avoid empty structs, that have undefined behavior in C99 and
make compilers complain about it
(empty struct has size 0 in C, size 1 in C++).
Reviewed by: jhibbits
Differential Revision: https://reviews.freebsd.org/D21231
Modified:
head/sys/powerpc/include/proc.h
Modified: head/sys/powerpc/include/proc.h
==============================================================================
--- head/sys/powerpc/include/proc.h Mon Aug 12 15:54:30 2019 (r350901)
+++ head/sys/powerpc/include/proc.h Mon Aug 12 17:18:20 2019 (r350902)
@@ -46,6 +46,11 @@ struct mdthread {
};
struct mdproc {
+ /* Avoid empty structs, that have undefined behavior in C99 and
+ * make compilers complain about it
+ * (empty struct has size 0 in C, size 1 in C++).
+ */
+ long md_spare;
};
#ifdef __powerpc64__
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