components/esp_common/include/esp_assert.h (ESP-IDF)

/* * SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #ifndef __ESP_ASSERT_H__ #define __ESP_ASSERT_H__ #include "assert.h" /* Since IDF v5.0, C17 standard is used, which supports both _Static_assert and static_assert syntax */ /* Please do not use `_Static_assert` for C++ compatibility */ #define ESP_STATIC_ASSERT static_assert /* Assert at compile time if possible, runtime otherwise */ #ifndef __cplusplus /* __builtin_choose_expr() is only in C, makes this a lot cleaner */ #define TRY_STATIC_ASSERT(CONDITION, MSG) do { \ ESP_STATIC_ASSERT(__builtin_choose_expr(__builtin_constant_p(CONDITION), (CONDITION), 1), #MSG); \ assert(#MSG && (CONDITION)); \ } while(0) #else /* for C++, use __attribute__((error)) - works almost as well as ESP_STATIC_ASSERT */ #define TRY_STATIC_ASSERT(CONDITION, MSG) do { \ if (__builtin_constant_p(CONDITION) && !(CONDITION)) { \ extern __attribute__((error(#MSG))) void failed_compile_time_assert(void); \ failed_compile_time_assert(); \ } \ assert(#MSG && (CONDITION)); \ } while(0) #endif /* __cplusplus */ #endif /* __ESP_ASSERT_H__ */