xref: /freebsd/contrib/llvm-project/compiler-rt/lib/builtins/eprintf.c (revision fe75646a0234a261c0013bf1840fdac4acaf0cec)
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
30