Writing metadata xattr on directories with sticky bit set, FR#94

[netatalk.git] / libevent / evutil_rand.c

diff --git a/libevent/evutil_rand.c b/libevent/evutil_rand.c
index 07ad2ea67ddf27d03706cd3fc2ca04e9affb88c6..3cc163d30e62a0bd86021a3b2e6c7df15aa54a2d 100644 (file)
--- a/libevent/evutil_rand.c
+++ b/libevent/evutil_rand.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007-2010 Niels Provos and Nick Mathewson
+ * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -49,11 +49,18 @@ evutil_secure_rng_init(void)
        (void) arc4random();
        return 0;
 }
+int
+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. */
@@ -73,8 +80,8 @@ arc4random_buf(void *buf, size_t n)
                ev_uint32_t u = arc4random();
                memcpy(b, &u, n);
        }
-}
 #endif
+}
 
 #else /* !_EVENT_HAVE_ARC4RANDOM { */
 
@@ -84,7 +91,9 @@ arc4random_buf(void *buf, size_t n)
 #define ARC4RANDOM_EXPORT static
 #define _ARC4_LOCK() EVLOCK_LOCK(arc4rand_lock, 0)
 #define _ARC4_UNLOCK() EVLOCK_UNLOCK(arc4rand_lock, 0)
+#ifndef _EVENT_DISABLE_THREAD_SUPPORT
 static void *arc4rand_lock;
+#endif
 
 #define ARC4RANDOM_UINT32 ev_uint32_t
 #define ARC4RANDOM_NOSTIR
@@ -93,13 +102,19 @@ static void *arc4rand_lock;
 
 #include "./arc4random.c"
 
+#ifndef _EVENT_DISABLE_THREAD_SUPPORT
+int
+evutil_secure_rng_global_setup_locks_(const int enable_locks)
+{
+       EVTHREAD_SETUP_GLOBAL_LOCK(arc4rand_lock, 0);
+       return 0;
+}
+#endif
+
 int
 evutil_secure_rng_init(void)
 {
        int val;
-       if (!arc4rand_lock) {
-               EVTHREAD_ALLOC_LOCK(arc4rand_lock, 0);
-       }
 
        _ARC4_LOCK();
        if (!arc4_seeded_ok)
@@ -109,12 +124,18 @@ 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