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