compiler-rt/lib/builtins/eprintf.c

   1 //===---------- eprintf.c - Implements __eprintf --------------------------===//
   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 #include "int_lib.h"
  10 #include <stdio.h>
  11
  12 // __eprintf() was used in an old version of <assert.h>.
  13 // It can eventually go away, but it is needed when linking
  14 // .o files built with the old <assert.h>.
  15 //
  16 // It should never be exported from a dylib, so it is marked
  17 // visibility hidden.
  18 #ifndef DONT_DEFINE_EPRINTF
  19 #ifndef _WIN32
  20 __attribute__((visibility("hidden")))
  21 #endif
  22 COMPILER_RT_ABI void
  23 __eprintf(const char *format, const char *assertion_expression,
  24           const char *line, const char *file) {
  25   fprintf(stderr, format, assertion_expression, line, file);
  26   fflush(stderr);
  27   compilerrt_abort();
  28 }
  29 #endif