From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:06:44 +0200 Subject: Adding upstream version 4:7.4.7. Signed-off-by: Daniel Baumann --- sal/osl/unx/random.cxx | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 sal/osl/unx/random.cxx (limited to 'sal/osl/unx/random.cxx') 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 + +#include + +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: */ -- cgit v1.2.3