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Code Issues Releases Wiki Activity

1405. [func] Use arc4random() if available.

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from: jakob@crt.se
reviewed: marka
This commit is contained in:
Mark Andrews
2002-12-04 01:19:28 +00:00
parent 297a2cb41e
commit 5b76a09697
6 changed files with 43 additions and 5 deletions
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10
lib/dns/rdataset.c
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@@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: rdataset.c,v 1.63 2002/04/02 06:06:29 marka Exp $ */
/* $Id: rdataset.c,v 1.64 2002/12/04 01:19:28 marka Exp $ */
#include <config.h>
@@ -370,7 +370,11 @@ towiresorted(dns_rdataset_t *rdataset, dns_name_t *owner_name,
*/
for (i = 0; i < count; i++) {
dns_rdata_t rdata;
#ifndef HAVE_ARC4RANDOM
choice = i + (((u_int)rand()>>3) % (count - i));
#else
choice = i + (((u_int)arc4random()>>3) % (count - i));
#endif
rdata = shuffled[i];
shuffled[i] = shuffled[choice];
shuffled[choice] = rdata;
@@ -385,7 +389,11 @@ towiresorted(dns_rdataset_t *rdataset, dns_name_t *owner_name,
/*
* "Cyclic" order.
*/
#ifndef HAVE_ARC4RANDOM
unsigned int j = (((unsigned int)rand()) >> 3) % count;
#else
unsigned int j = (((unsigned int)arc4random()) >> 3) % count;
#endif
for (i = 0; i < count; i++) {
if (order != NULL)
sorted[j].key = (*order)(&shuffled[i],