diff options
Diffstat (limited to 'src/VBox/Runtime/r3/posix/rand-posix.cpp')
| -rw-r--r-- | src/VBox/Runtime/r3/posix/rand-posix.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/VBox/Runtime/r3/posix/rand-posix.cpp b/src/VBox/Runtime/r3/posix/rand-posix.cpp index f394d149..1d1725f1 100644 --- a/src/VBox/Runtime/r3/posix/rand-posix.cpp +++ b/src/VBox/Runtime/r3/posix/rand-posix.cpp @@ -4,7 +4,7 @@ */ /* - * Copyright (C) 2006-2007 Oracle Corporation + * Copyright (C) 2006-2012 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; @@ -32,7 +32,6 @@ #include <sys/stat.h> #include <sys/types.h> #include <sys/ioctl.h> -#include <sys/fcntl.h> #include <fcntl.h> #ifdef _MSC_VER # include <io.h> @@ -57,7 +56,10 @@ static DECLCALLBACK(void) rtRandAdvPosixGetBytes(PRTRANDINT pThis, uint8_t *pb, ssize_t cbRead = read(pThis->u.File.hFile, pb, cb); if ((size_t)cbRead != cb) { - ssize_t cTries = RT_MIN(cb, 256); + /* S10 has been observed returning 1040 bytes at the time from /dev/urandom. + Which means we need to do than 256 rounds to reach 668171 bytes if + that's what demanded by the caller (like tstRTMemWipe.cpp). */ + ssize_t cTries = RT_MAX(256, cb / 64); do { if (cbRead > 0) |