expect.h
Go to the documentation of this file.
1 /*
2  * SPDX-FileCopyrightText: 2020 Kaspar Schleiser <kaspar@schleiser.de>
3  * SPDX-FileCopyrightText: 2015 INRIA
4  * SPDX-FileCopyrightText: 2016 Freie Universität Berlin
5  * SPDX-License-Identifier: LGPL-2.1-only
6  */
7 
8 #pragma once
9 
24 #include <stdio.h>
25 #include "compiler_hints.h"
26 #include "panic.h"
27 
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31 
42 NORETURN static inline void _expect_failure(const char *file, unsigned line)
43 {
44  printf("%s:%u => failed condition\n", file, line);
45  core_panic(PANIC_EXPECT_FAIL, "CONDITION FAILED.");
46 }
47 
76 #define expect(cond) (likely(cond) ? (void)0 : _expect_failure(__FILE__, __LINE__))
77 
78 #ifdef __cplusplus
79 }
80 #endif
81 
compiler_hints.h
Common macros and compiler attributes/pragmas configuration.
NORETURN
#define NORETURN
The NORETURN keyword tells the compiler to assume that the function cannot return.
Definition: compiler_hints.h:36
printf
#define printf(...)
A wrapper for the printf() function that passes arguments through unmodified, but fails to compile if...
Definition: stdio.h:57
_expect_failure
static NORETURN void _expect_failure(const char *file, unsigned line)
Function to handle failed expectation.
Definition: expect.h:42
panic.h
Crash handling header.
core_panic
NORETURN void core_panic(core_panic_t crash_code, const char *message)
Handle an unrecoverable error by halting or rebooting the system.