Initial commit of BoringSSL for Android.
diff --git a/src/ssl/test/malloc.cc b/src/ssl/test/malloc.cc
new file mode 100644
index 0000000..6cc0b33
--- /dev/null
+++ b/src/ssl/test/malloc.cc
@@ -0,0 +1,130 @@
+/* Copyright (c) 2014, Google Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
+
+#include <openssl/base.h>
+
+// This file isn't built on ARM or Aarch64 because we link statically in those
+// builds and trying to override malloc in a static link doesn't work.
+#if defined(__linux__) && !defined(OPENSSL_ARM) && !defined(OPENSSL_AARCH64)
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <unistd.h>
+#include <stdio.h>
+
+#include <new>
+
+
+/* This file defines overrides for the standard allocation functions that allow
+ * a given allocation to be made to fail for testing. If the program is run
+ * with MALLOC_NUMBER_TO_FAIL set to a base-10 number then that allocation will
+ * return NULL. If MALLOC_ABORT_ON_FAIL is also defined then the allocation
+ * will abort() rather than return NULL.
+ *
+ * This code is not thread safe. */
+
+static uint64_t current_malloc_count = 0;
+static uint64_t malloc_number_to_fail = 0;
+static char failure_enabled = 0, abort_on_fail = 0;
+static int in_call = 0;
+
+extern "C" {
+/* These are other names for the standard allocation functions. */
+extern void *__libc_malloc(size_t size);
+extern void *__libc_calloc(size_t num_elems, size_t size);
+extern void *__libc_realloc(void *ptr, size_t size);
+}
+
+static void exit_handler(void) {
+ if (failure_enabled && current_malloc_count > malloc_number_to_fail) {
+ _exit(88);
+ }
+}
+
+static void cpp_new_handler() {
+ // Return to try again. It won't fail a second time.
+ return;
+}
+
+/* should_fail_allocation returns true if the current allocation should fail. */
+static int should_fail_allocation() {
+ static int init = 0;
+ char should_fail;
+
+ if (in_call) {
+ return 0;
+ }
+
+ in_call = 1;
+
+ if (!init) {
+ const char *env = getenv("MALLOC_NUMBER_TO_FAIL");
+ if (env != NULL && env[0] != 0) {
+ char *endptr;
+ malloc_number_to_fail = strtoull(env, &endptr, 10);
+ if (*endptr == 0) {
+ failure_enabled = 1;
+ atexit(exit_handler);
+ std::set_new_handler(cpp_new_handler);
+ }
+ }
+ abort_on_fail = (NULL != getenv("MALLOC_ABORT_ON_FAIL"));
+ init = 1;
+ }
+
+ in_call = 0;
+
+ if (!failure_enabled) {
+ return 0;
+ }
+
+ should_fail = (current_malloc_count == malloc_number_to_fail);
+ current_malloc_count++;
+
+ if (should_fail && abort_on_fail) {
+ abort();
+ }
+ return should_fail;
+}
+
+extern "C" {
+
+void *malloc(size_t size) {
+ if (should_fail_allocation()) {
+ return NULL;
+ }
+
+ return __libc_malloc(size);
+}
+
+void *calloc(size_t num_elems, size_t size) {
+ if (should_fail_allocation()) {
+ return NULL;
+ }
+
+ return __libc_calloc(num_elems, size);
+}
+
+void *realloc(void *ptr, size_t size) {
+ if (should_fail_allocation()) {
+ return NULL;
+ }
+
+ return __libc_realloc(ptr, size);
+}
+
+} // extern "C"
+
+#endif /* defined(linux) && !ARM && !AARCH64 */