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Merge remote-tracking branch 'origin/patches-2.0'

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This commit is contained in:
Nick Mathewson 2011-08-08 22:04:46 -04:00
commit 5419803d3a
1 changed files with 12 additions and 4 deletions
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16
evutil_rand.c
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@ -56,10 +56,12 @@ evutil_secure_rng_global_setup_locks_(const int enable_locks)
return 0;
}
#ifndef _EVENT_HAVE_ARC4RANDOM_BUF
static void
arc4random_buf(void *buf, size_t n)
ev_arc4random_buf(void *buf, size_t n)
{
#ifdef _EVENT_HAVE_ARC4RANDOM_BUF
return arc4random_buf(buf, n);
#else
unsigned char *b = buf;
/* Make sure that we start out with b at a 4-byte alignment; plenty
* of CPUs care about this for 32-bit access. */
@ -79,8 +81,8 @@ arc4random_buf(void *buf, size_t n)
ev_uint32_t u = arc4random();
memcpy(b, &u, n);
}
}
#endif
}
#else /* !_EVENT_HAVE_ARC4RANDOM { */
@ -123,12 +125,18 @@ evutil_secure_rng_init(void)
return val;
}
static void
ev_arc4random_buf(void *buf, size_t n)
{
arc4random_buf(buf, n);
}
#endif /* } !_EVENT_HAVE_ARC4RANDOM */
void
evutil_secure_rng_get_bytes(void *buf, size_t n)
{
arc4random_buf(buf, n);
ev_arc4random_buf(buf, n);
}
void