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author | Kaz Kylheku <kaz@kylheku.com> | 2016-04-28 06:37:55 -0700 |
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committer | Kaz Kylheku <kaz@kylheku.com> | 2016-04-28 06:37:55 -0700 |
commit | 2e0639abc56dcad0ce4b5933604d0c8657ac094b (patch) | |
tree | d9026314af4543560e9178061191e267dd612335 /rand.c | |
parent | e435700d50234e9cc1121858b194462110db9dba (diff) | |
download | txr-2e0639abc56dcad0ce4b5933604d0c8657ac094b.tar.gz txr-2e0639abc56dcad0ce4b5933604d0c8657ac094b.tar.bz2 txr-2e0639abc56dcad0ce4b5933604d0c8657ac094b.zip |
Only use getpid for rand seed if HAVE_UNISTD_H.
* rand.c (make_random_state): Don't use getpid
if we aren't on something that looks like Unix.
Diffstat (limited to 'rand.c')
-rw-r--r-- | rand.c | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -140,7 +140,9 @@ val make_random_state(val seed) val time = time_sec_usec(); r->state[0] = convert(rand32_t, c_num(car(time))); r->state[1] = convert(rand32_t, c_num(cdr(time))); +#if HAVE_UNISTD_H r->state[2] = convert(rand32_t, getpid()); +#endif memset(r->state + 3, 0xAA, sizeof r->state - 3 * sizeof r->state[0]); } else if (random_state_p(seed)) { struct rand_state *rseed = coerce(struct rand_state *, |