summaryrefslogtreecommitdiff
path: root/net/link_local.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/link_local.c')
-rw-r--r--net/link_local.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/net/link_local.c b/net/link_local.c
index 3362863..582d011 100644
--- a/net/link_local.c
+++ b/net/link_local.c
@@ -56,6 +56,7 @@ static unsigned conflicts;
static unsigned nprobes;
static unsigned nclaims;
static int ready;
+static unsigned int seed;
static void link_local_timeout(void);
@@ -68,7 +69,7 @@ static IPaddr_t pick(void)
unsigned tmp;
do {
- tmp = rand() & IN_CLASSB_HOST;
+ tmp = rand_r(&seed) & IN_CLASSB_HOST;
} while (tmp > (IN_CLASSB_HOST - 0x0200));
return (IPaddr_t) htonl((LINKLOCAL_ADDR + 0x0100) + tmp);
}
@@ -78,7 +79,7 @@ static IPaddr_t pick(void)
*/
static inline unsigned random_delay_ms(unsigned secs)
{
- return rand() % (secs * 1000);
+ return rand_r(&seed) % (secs * 1000);
}
static void configure_wait(void)
@@ -109,7 +110,7 @@ void link_local_start(void)
}
NetOurSubnetMask = IN_CLASSB_NET;
- srand_mac();
+ seed = seed_mac();
if (ip == 0)
ip = pick();