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| author | Vsevolod Stakhov <vsevolod@highsecure.ru> | 2021-03-15 20:19:48 +0000 |
|---|---|---|
| committer | Vsevolod Stakhov <vsevolod@highsecure.ru> | 2021-03-15 20:19:48 +0000 |
| commit | 92f20993f94c91ad03213c5fcc2984ee3b487a67 (patch) | |
| tree | a7394303404fa53efa61e3bd0d01c8853d19a1fe /src/libutil | |
| parent | e264bccde335bfd0f5c0f31cb33f3d52ac50682b (diff) | |
| download | rspamd-92f20993f94c91ad03213c5fcc2984ee3b487a67.tar.gz rspamd-92f20993f94c91ad03213c5fcc2984ee3b487a67.zip | |
[Minor] Automatically init xoroshifto PRG
Diffstat (limited to 'src/libutil')
| -rw-r--r-- | src/libutil/util.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/src/libutil/util.c b/src/libutil/util.c index 47856f716..49d61e87e 100644 --- a/src/libutil/util.c +++ b/src/libutil/util.c @@ -1766,7 +1766,19 @@ rspamd_random_double (void) } -static guint64 xorshifto_seed[4]; +static guint64* +xorshifto_seed (void) +{ + static guint64 xorshifto_seed[4]; + static bool initialized = false; + + if (G_UNLIKELY(!initialized)) { + ottery_rand_bytes((void *)xorshifto_seed, sizeof (xorshifto_seed)); + initialized = true; + } + + return xorshifto_seed; +} static inline guint64 xoroshiro_rotl (const guint64 x, int k) { @@ -1776,7 +1788,7 @@ xoroshiro_rotl (const guint64 x, int k) { gdouble rspamd_random_double_fast (void) { - return rspamd_random_double_fast_seed (xorshifto_seed); + return rspamd_random_double_fast_seed (xorshifto_seed()); } /* xoshiro256+ */ @@ -1822,13 +1834,13 @@ rspamd_random_uint64_fast_seed (guint64 seed[4]) guint64 rspamd_random_uint64_fast (void) { - return rspamd_random_uint64_fast_seed (xorshifto_seed); + return rspamd_random_uint64_fast_seed (xorshifto_seed()); } void rspamd_random_seed_fast (void) { - ottery_rand_bytes (xorshifto_seed, sizeof (xorshifto_seed)); + (void)xorshifto_seed(); } gdouble |