test/memleaktest.c

   1 /*
   2  * Copyright 2016-2017 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include <string.h>
  11 #include <openssl/bio.h>
  12 #include <openssl/crypto.h>
  13
  14 #include "testutil.h"
  15
  16 /* __has_feature is a clang-ism, while __SANITIZE_ADDRESS__ is a gcc-ism */
  17 #if defined(__has_feature)
  18 # if __has_feature(address_sanitizer)
  19 #  define __SANITIZE_ADDRESS__ 1
  20 # endif
  21 #endif
  22 /* If __SANITIZE_ADDRESS__ isn't defined, define it to be false */
  23 #ifndef __SANITIZE_ADDRESS__
  24 # define __SANITIZE_ADDRESS__ 0
  25 #endif
  26
  27 /*
  28  * We use a proper main function here instead of the custom main from the
  29  * test framework to avoid CRYPTO_mem_leaks stuff.
  30  */
  31
  32 int main(int argc, char *argv[])
  33 {
  34 #if __SANITIZE_ADDRESS__
  35     int exitcode = EXIT_SUCCESS;
  36 #else
  37     /*
  38      * When we don't sanitize, we set the exit code to what we would expect
  39      * to get when we are sanitizing.  This makes it easy for wrapper scripts
  40      * to detect that we get the result we expect.
  41      */
  42     int exitcode = EXIT_FAILURE;
  43 #endif
  44     char *lost;
  45
  46     lost = OPENSSL_malloc(3);
  47     if (!TEST_ptr(lost))
  48         return EXIT_FAILURE;
  49
  50     strcpy(lost, "ab");
  51
  52     if (argv[1] && strcmp(argv[1], "freeit") == 0) {
  53         OPENSSL_free(lost);
  54         exitcode = EXIT_SUCCESS;
  55     }
  56
  57     lost = NULL;
  58     return exitcode;
  59 }