support/check.c

   1 /* Support code for reporting test results.
   2    Copyright (C) 2016-2019 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <support/check.h>
  20
  21 #include <errno.h>
  22 #include <stdarg.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <support/test-driver.h>
  26
  27 static void
  28 print_failure (const char *file, int line, const char *format, va_list ap)
  29 {
  30   int saved_errno = errno;
  31   printf ("error: %s:%d: ", file, line);
  32   vprintf (format, ap);
  33   puts ("");
  34   errno = saved_errno;
  35 }
  36
  37 int
  38 support_print_failure_impl (const char *file, int line,
  39                             const char *format, ...)
  40 {
  41   support_record_failure ();
  42   va_list ap;
  43   va_start (ap, format);
  44   print_failure (file, line, format, ap);
  45   va_end (ap);
  46   return 1;
  47 }
  48
  49 void
  50 support_exit_failure_impl (int status, const char *file, int line,
  51                            const char *format, ...)
  52 {
  53   if (status != EXIT_SUCCESS && status != EXIT_UNSUPPORTED)
  54     support_record_failure ();
  55   va_list ap;
  56   va_start (ap, format);
  57   print_failure (file, line, format, ap);
  58   va_end (ap);
  59   exit (status);
  60 }