Seeding random number generator

1 files changed, 10 insertions, 0 deletions

diff --git a/src/akcom-udpechod.c b/src/akcom-udpechod.c
index 8f71f3a..5ac7fca 100644
--- a/src/akcom-udpechod.c
+++ b/src/akcom-udpechod.c
@@ -192,6 +192,8 @@ int main(int argc, char * argv[])
    int                       c;
    int                       opts;
    int                       s;
+   unsigned                  seed;
+   struct timespec           ts;
 
    // determines program name
    cnf.prog_name = argv[0];
@@ -282,6 +284,14 @@ int main(int argc, char * argv[])
    signal(SIGQUIT, my_sighandler);
    signal(SIGTERM, my_sighandler);
 
+   // seed psuedo random number generator
+   clock_gettime(CLOCK_REALTIME, &ts);
+   seed  = (int)ts.tv_sec;
+   seed += (int)ts.tv_nsec;
+   seed += (int)getpid();
+   seed += (int)getppid();
+   srand(seed);
+
    // open syslog
    opts = LOG_PID;
    if ((cnf.verbose))