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      1 /*
      2  * Copyright 2014-2020 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(__MINGW32__) && !defined(__MINGW64__) \
     18     && !defined(__APPLE__)
     19 /*
     20  * Because we support the 'z' modifier, which made its appearance in C99,
     21  * we can't use __attribute__ with pre C99 dialects.
     22  */
     23 #if __STDC_VERSION__ >= 199901L
     24 #undef ossl_test__attr__
     25 #define ossl_test__attr__ __attribute__
     26 #if __GNUC__ * 10 + __GNUC_MINOR__ >= 44
     27 #define ossl_test__printf__ __gnu_printf__
     28 #else
     29 #define ossl_test__printf__ __printf__
     30 #endif
     31 #endif
     32 #endif
     33 /*
     34  * The basic I/O functions used internally by the test framework.  These
     35  * can be overridden when needed. Note that if one is, then all must be.
     36  */
     37 void test_open_streams(void);
     38 void test_close_streams(void);
     39 void test_adjust_streams_tap_level(int level);
     40 /* The following ALL return the number of characters written */
     41 int test_vprintf_stdout(const char *fmt, va_list ap)
     42     ossl_test__attr__((__format__(ossl_test__printf__, 1, 0)));
     43 int test_vprintf_tapout(const char *fmt, va_list ap)
     44     ossl_test__attr__((__format__(ossl_test__printf__, 1, 0)));
     45 int test_vprintf_stderr(const char *fmt, va_list ap)
     46     ossl_test__attr__((__format__(ossl_test__printf__, 1, 0)));
     47 int test_vprintf_taperr(const char *fmt, va_list ap)
     48     ossl_test__attr__((__format__(ossl_test__printf__, 1, 0)));
     49 /* These return failure or success */
     50 int test_flush_stdout(void);
     51 int test_flush_tapout(void);
     52 int test_flush_stderr(void);
     53 int test_flush_taperr(void);
     54 
     55 /* Commodity functions.  There's no need to override these */
     56 int test_printf_stdout(const char *fmt, ...)
     57     ossl_test__attr__((__format__(ossl_test__printf__, 1, 2)));
     58 int test_printf_tapout(const char *fmt, ...)
     59     ossl_test__attr__((__format__(ossl_test__printf__, 1, 2)));
     60 int test_printf_stderr(const char *fmt, ...)
     61     ossl_test__attr__((__format__(ossl_test__printf__, 1, 2)));
     62 int test_printf_taperr(const char *fmt, ...)
     63     ossl_test__attr__((__format__(ossl_test__printf__, 1, 2)));
     64 
     65 #undef ossl_test__printf__
     66 #undef ossl_test__attr__
     67 
     68 #endif /* OSSL_TESTUTIL_OUTPUT_H */
     69