Move getentropy/getrandom into own file

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

1 files changed, 0 insertions, 57 deletions

diff --git a/winsup/cygwin/miscfuncs.cc b/winsup/cygwin/miscfuncs.cc
index 044d72787..a84c587ce 100644
--- a/winsup/cygwin/miscfuncs.cc
+++ b/winsup/cygwin/miscfuncs.cc
@@ -14,7 +14,6 @@ details. */
 #include <alloca.h>
 #include <limits.h>
 #include <sys/param.h>
-#include <sys/random.h>
 #include <wchar.h>
 #include "cygtls.h"
 #include "ntdll.h"
@@ -235,62 +234,6 @@ check_iovec (const struct iovec *iov, int iovcnt, bool forwrite)
   return -1;
 }
 
-extern "C" int
-getentropy (void *ptr, size_t len)
-{
-  /* Per BSD man page: The maximum buffer size permitted is 256 bytes.
-     If buflen exceeds this, an error of EIO will be indicated. */
-  if (len > 256)
-    {
-      debug_printf ("len (%U) > 256", len);
-      set_errno (EIO);
-      return -1;
-    }
-  __try
-    {
-      if (!RtlGenRandom (ptr, len))
-	{
-	  debug_printf ("RtlGenRandom() = FALSE");
-	  set_errno (EIO);
-	  return -1;
-	}
-    }
-  __except (EFAULT)
-    {
-      return -1;
-    }
-  __endtry
-  return 0;
-}
-
-extern "C" ssize_t
-getrandom (void *ptr, size_t len, unsigned int flags)
-{
-  if (flags & ~(GRND_NONBLOCK | GRND_RANDOM))
-    {
-      debug_printf ("invalid flags: %y", flags);
-      set_errno (EINVAL);
-      return -1;
-    }
-  /* Max. bytes returned by Linux call. */
-  len = MAX (len, (flags & GRND_RANDOM) ? 512 : 33554431);
-  __try
-    {
-      if (!RtlGenRandom (ptr, len))
-	{
-	  debug_printf ("RtlGenRandom() = FALSE");
-	  set_errno (EIO);
-	  return -1;
-	}
-    }
-  __except (EFAULT)
-    {
-      return -1;
-    }
-  __endtry
-  return len;
-}
-
 /* Try hard to schedule another thread.  
    Remember not to call this in a lock condition or you'll potentially
    suffer starvation.  */