libc/src/assert/assert.h

   1 //===-- Internal header for assert ------------------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef LLVM_LIBC_SRC_ASSERT_ASSERT_H
  10 #define LLVM_LIBC_SRC_ASSERT_ASSERT_H
  11
  12 #include <stddef.h>
  13
  14 namespace __llvm_libc {
  15
  16 [[noreturn]] void __assert_fail(const char *assertion, const char *file, unsigned line,
  17                   const char *function);
  18
  19 } // namespace __llvm_libc
  20
  21 #endif // LLVM_LIBC_SRC_ASSERT_ASSERT_H
  22
  23 #undef assert
  24
  25 #ifdef NDEBUG
  26 #define assert(e) (void)0
  27 #else
  28 #define assert(e)                                                              \
  29   ((e) ? (void)0 :                                                             \
  30     __llvm_libc::__assert_fail(#e, __FILE__, __LINE__, __PRETTY_FUNCTION__))
  31 #endif