Make sure rdata differs for each program.

diff --git a/libraries/liblutil/entropy.c b/libraries/liblutil/entropy.c
index 75e321155c1b02289cc7e4d4bac253ff9894ab99..4a15a789d462e429c41ee294ab07d5380a47ecdc 100644 (file)
--- a/libraries/liblutil/entropy.c
+++ b/libraries/liblutil/entropy.c
@@ -49,8 +49,12 @@ int lutil_entropy( char *buf, int nbytes )
                static int counter = 0;
                int n;
 
-               struct {
+               struct rdata_s {
                        int counter;
+
+                       char *buf;
+                       struct rdata_s *stack;
+
                        pid_t   pid;
 
 #ifdef HAVE_GETTIMEOFDAY
@@ -61,18 +65,25 @@ int lutil_entropy( char *buf, int nbytes )
                        unsigned long   junk;
                } rdata;
 
+               /* make sure rdata differs for each process */
                rdata.pid = getpid();
-               
+
+               /* make sure rdata differs for each program */
+               rdata.buf = buf;
+               rdata.stack = &rdata;
+
                for( n = 0; n < nbytes; n += 16 ) {
                        struct lutil_MD5Context ctx;
                        char digest[16];
 
+                       /* hopefully has good resolution */
 #ifdef HAVE_GETTIMEOFDAY
                        (void) gettimeofday( &rdata.tv, sizeof( rdata.tv ) );
 #else
                        (void) time( &rdata.time );
 #endif
 
+                       /* make sure rdata differs */
                        rdata.counter = ++counter;
                        rdata.pid++;
                        rdata.junk++;