1 files changed, 59 insertions, 0 deletions
diff --git a/externals/breakpad/src/third_party/lss/tests/getrandom.c b/externals/breakpad/src/third_party/lss/tests/getrandom.c
new file mode 100644
index 0000000000..0ec38b3c97
--- /dev/null
+++ b/externals/breakpad/src/third_party/lss/tests/getrandom.c
@@ -0,0 +1,59 @@
+/* Copyright 2020 Google LLC
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google LLC nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "test_skel.h"
+
+#define BUFFER_SIZE 256
+
+int main(int argc, char *argv[]) {
+  char buffer[BUFFER_SIZE];
+  // Zero it out so we can check later that it's at least not all 0s.
+  memset(buffer, 0, BUFFER_SIZE);
+  bool buffer_contains_all_zeros = true;
+
+  // Don't bother passing any flags. (If we're using lss, we might not have the
+  // right header files with the flags defined anyway, and we'd have to copy
+  // this in here too, and risk getting out of sync in yet another way.)
+  const ssize_t r = sys_getrandom(buffer, BUFFER_SIZE, 0);
+
+  // Make sure it either worked, or that it's just not supported.
+  assert(r == BUFFER_SIZE || errno == ENOSYS);
+
+  if (r == BUFFER_SIZE) {
+    // If all the bytes are 0, it didn't really work.
+    for (size_t i = 0; i < BUFFER_SIZE; ++i) {
+      if (buffer[i] != 0) {
+        buffer_contains_all_zeros = false;
+      }
+    }
+    assert(!buffer_contains_all_zeros);
+  }
+
+  return 0;
+}