diff options
Diffstat (limited to 'sal/osl/unx/random.cxx')
-rw-r--r-- | sal/osl/unx/random.cxx | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/sal/osl/unx/random.cxx b/sal/osl/unx/random.cxx new file mode 100644 index 000000000..260aa61ba --- /dev/null +++ b/sal/osl/unx/random.cxx @@ -0,0 +1,46 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + */ + +#include "system.hxx" +#include <oslrandom.h> + +#include <assert.h> + +int osl_get_system_random_data(char* buffer, size_t desired_len) +{ + int fd; + + assert(buffer); + fd = open("/dev/urandom", O_RDONLY); + if (fd != -1) + { + while (desired_len) + { + ssize_t nb_read; + if ((nb_read = read(fd, buffer, desired_len)) == -1) + { + if (errno != EINTR) + { + close(fd); + return false; + } + } + else + { + buffer += nb_read; + desired_len -= nb_read; + } + } + close(fd); + return true; + } + return false; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |