openwrt/package/ser/patches/120-main.patch

   1 --- ser-0.8.14.orig/main.c      2004-06-28 17:41:21.000000000 +0200
   2 +++ ser-0.8.14/main.c   2005-01-07 23:24:27.000000000 +0100
   3 @@ -1447,18 +1447,20 @@
   4         /* seed the prng */
   5         /* try to use /dev/random if possible */
   6         seed=0;
   7 +/* this read call is blocking on OpenWRT, further investigations are necessary
   8         if ((rfd=open("/dev/random", O_RDONLY))!=-1){
   9  try_again:
  10                 if (read(rfd, (void*)&seed, sizeof(seed))==-1){
  11 -                       if (errno==EINTR) goto try_again; /* interrupted by signal */
  12 +                       if (errno==EINTR) goto try_again;
  13                         LOG(L_WARN, "WARNING: could not read from /dev/random (%d)\n",
  14                                                 errno);
  15                 }
  16                 DBG("read %u from /dev/random\n", seed);
  17                         close(rfd);
  18         }else{
  19 -               LOG(L_WARN, "WARNING: could not open /dev/random (%d)\n", errno);
  20 -       }
  21 +*/
  22 +               LOG(L_WARN, "WARNING: could not read from /dev/random (%d)\n", errno);
  23 +//     }
  24         seed+=getpid()+time(0);
  25         DBG("seeding PRNG with %u\n", seed);
  26         srand(seed);