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/* -*- 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 <oslrandom.h>
#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.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: */
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