summaryrefslogtreecommitdiffstats
path: root/sal/osl/unx/random.cxx
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--sal/osl/unx/random.cxx46
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..5904e7d57
--- /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: */