Author: kevlo
Date: Wed Aug 22 00:59:17 2012
New Revision: 239549
URL: http://svn.freebsd.org/changeset/base/239549
Log:
MFC r239345:
Make 'junk' volatile so that compilers won't be tempted to optimize
Reviewed by: ache
Modified:
stable/9/lib/libc/stdlib/random.c
Directory Properties:
stable/9/lib/libc/ (props changed)
Modified: stable/9/lib/libc/stdlib/random.c
==============================================================================
--- stable/9/lib/libc/stdlib/random.c Tue Aug 21 23:55:29 2012
(r239548)
+++ stable/9/lib/libc/stdlib/random.c Wed Aug 22 00:59:17 2012
(r239549)
@@ -315,7 +315,7 @@ srandomdev()
if (!done) {
struct timeval tv;
- unsigned long junk;
+ volatile unsigned long junk;
gettimeofday(&tv, NULL);
srandom((getpid() << 16) ^ tv.tv_sec ^ tv.tv_usec ^ junk);
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