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| author | mark@chromium.org <mark@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2008-09-29 22:18:01 +0000 |
|---|---|---|
| committer | mark@chromium.org <mark@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2008-09-29 22:18:01 +0000 |
| commit | 05f9b688e319fcb092be0e06f7b72d39dd3113b3 (patch) | |
| tree | 6d24be7f9b788bbebbff6b2349e51dec49034ce6 /base/rand_util_posix.cc | |
| parent | 86ec30d6710923cf1c193eb88b1e6251f831e0ef (diff) | |
| download | chromium_src-05f9b688e319fcb092be0e06f7b72d39dd3113b3.zip chromium_src-05f9b688e319fcb092be0e06f7b72d39dd3113b3.tar.gz chromium_src-05f9b688e319fcb092be0e06f7b72d39dd3113b3.tar.bz2 | |
Refactoring for portability:
- Move chrome/common/env_util to base/sys_info
- Move chrome/common/rand_util to base/rand_util (new), simplify its public
interface, and fix its implementation
Patch by Paweł Hajdan, Jr. <phajdan.jr@gmail.com>
http://codereview.chromium.org/4079
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@2697 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'base/rand_util_posix.cc')
| -rw-r--r-- | base/rand_util_posix.cc | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/base/rand_util_posix.cc b/base/rand_util_posix.cc new file mode 100644 index 0000000..392cde5 --- /dev/null +++ b/base/rand_util_posix.cc @@ -0,0 +1,27 @@ +// Copyright (c) 2008 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "base/rand_util.h" + +#include <fcntl.h> +#include <sys/stat.h> +#include <unistd.h> + +#include "base/logging.h" + +namespace base { + +uint64 RandUInt64() { + uint64 number; + + int urandom_fd = open("/dev/urandom", O_RDONLY); + CHECK(urandom_fd >= 0); + ssize_t bytes_read = read(urandom_fd, &number, sizeof(number)); + CHECK(bytes_read == sizeof(number)); + close(urandom_fd); + + return number; +} + +} // namespace base |