test/testutil/output.h

   1 /*
   2  * Copyright 2014-2016 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 #ifndef OSSL_TESTUTIL_OUTPUT_H
  11 # define OSSL_TESTUTIL_OUTPUT_H
  12
  13 # include <stdarg.h>
  14
  15 # define ossl_test__attr__(x)
  16 # if defined(__GNUC__) && defined(__STDC_VERSION__) \
  17     && !defined(__APPLE__)
  18     /*
  19      * Because we support the 'z' modifier, which made its appearance in C99,
  20      * we can't use __attribute__ with pre C99 dialects.
  21      */
  22 #  if __STDC_VERSION__ >= 199901L
  23 #   undef ossl_test__attr__
  24 #   define ossl_test__attr__ __attribute__
  25 #   if __GNUC__*10 + __GNUC_MINOR__ >= 44
  26 #    define ossl_test__printf__ __gnu_printf__
  27 #   else
  28 #    define ossl_test__printf__ __printf__
  29 #   endif
  30 #  endif
  31 # endif
  32 /*
  33  * The basic I/O functions used internally by the test framework.  These
  34  * can be overridden when needed. Note that if one is, then all must be.
  35  */
  36 void test_open_streams(void);
  37 void test_close_streams(void);
  38 /* The following ALL return the number of characters written */
  39 int test_vprintf_stdout(const char *fmt, va_list ap)
  40     ossl_test__attr__((__format__(ossl_test__printf__, 1, 0)));
  41 int test_vprintf_stderr(const char *fmt, va_list ap)
  42     ossl_test__attr__((__format__(ossl_test__printf__, 1, 0)));
  43 /* These return failure or success */
  44 int test_flush_stdout(void);
  45 int test_flush_stderr(void);
  46
  47 /* Commodity functions.  There's no need to override these */
  48 int test_printf_stdout(const char *fmt, ...)
  49     ossl_test__attr__((__format__(ossl_test__printf__, 1, 2)));
  50 int test_printf_stderr(const char *fmt, ...)
  51     ossl_test__attr__((__format__(ossl_test__printf__, 1, 2)));
  52
  53 # undef ossl_test__printf__
  54 # undef ossl_test__attr__
  55
  56 #endif                          /* OSSL_TESTUTIL_OUTPUT_H */