lib/eprintf.c

   1 /* ===---------- eprintf.c - Implements __eprintf --------------------------===
   2  *
   3  *                     The LLVM Compiler Infrastructure
   4  *
   5  * This file is dual licensed under the MIT and the University of Illinois Open
   6  * Source Licenses. See LICENSE.TXT for details.
   7  *
   8  * ===----------------------------------------------------------------------===
   9  */
  10
  11
  12
  13 #include "int_lib.h"
  14 #include <stdio.h>
  15
  16
  17 /*
  18  * __eprintf() was used in an old version of <assert.h>.
  19  * It can eventually go away, but it is needed when linking
  20  * .o files built with the old <assert.h>.
  21  *
  22  * It should never be exported from a dylib, so it is marked
  23  * visibility hidden.
  24  */
  25 __attribute__((visibility("hidden")))
  26 void __eprintf(const char* format, const char* assertion_expression,
  27                                 const char* line, const char* file)
  28 {
  29         fprintf(stderr, format, assertion_expression, line, file);
  30         fflush(stderr);
  31         compilerrt_abort();
  32 }