1 files changed, 70 insertions, 0 deletions
diff --git a/Build/source/libs/poppler/poppler-0.22.0/goo/grandom.cc b/Build/source/libs/poppler/poppler-0.22.0/goo/grandom.cc
new file mode 100644
index 00000000000..1237175420b
--- /dev/null
+++ b/Build/source/libs/poppler/poppler-0.22.0/goo/grandom.cc
@@ -0,0 +1,70 @@
+/*
+ * grandom.cc
+ *
+ * This file is licensed under the GPLv2 or later
+ *
+ * Pseudo-random number generation
+ *
+ * Copyright (C) 2012 Fabio D'Urso <fabiodurso@hotmail.it>
+ */
+
+#include <config.h>
+#include "grandom.h"
+#include "gtypes.h"
+
+#ifdef HAVE_RAND_R // rand_r backend (POSIX)
+
+static GBool initialized = gFalse;
+
+#include <stdlib.h>
+#include <time.h>
+static unsigned int seed;
+
+static void initialize() {
+  if (!initialized) {
+    seed = time(NULL);
+    initialized = gTrue;
+  }
+}
+
+void grandom_fill(Guchar *buff, int size)
+{
+  initialize();
+  while (size--)
+    *buff++ = rand_r(&seed) % 256;
+}
+
+double grandom_double()
+{
+  initialize();
+  return rand_r(&seed) / (1 + (double)RAND_MAX);
+}
+
+#else // srand+rand backend (unsafe, because it may interfere with the application)
+
+static GBool initialized = gFalse;
+
+#include <stdlib.h>
+#include <time.h>
+
+static void initialize() {
+  if (!initialized) {
+    srand(time(NULL));
+    initialized = gTrue;
+  }
+}
+
+void grandom_fill(Guchar *buff, int size)
+{
+  initialize();
+  while (size--)
+    *buff++ = rand() % 256;
+}
+
+double grandom_double()
+{
+  initialize();
+  return rand() / (1 + (double)RAND_MAX);
+}
+
+#endif