gnulib/tst-gcc.c

   1 /* Test program for the gcc interface.
   2    Copyright (C) 2000-2013 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Ulrich Drepper <drepper@cygnus.com>.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #include <stdio.h>
  21
  22 #define __no_type_class         -1
  23 #define __void_type_class        0
  24 #define __integer_type_class     1
  25 #define __char_type_class        2
  26 #define __enumeral_type_class    3
  27 #define __boolean_type_class     4
  28 #define __pointer_type_class     5
  29 #define __reference_type_class   6
  30 #define __offset_type_class      7
  31 #define __real_type_class        8
  32 #define __complex_type_class     9
  33 #define __function_type_class   10
  34 #define __method_type_class     11
  35 #define __record_type_class     12
  36 #define __union_type_class      13
  37 #define __array_type_class      14
  38 #define __string_type_class     15
  39 #define __set_type_class        16
  40 #define __file_type_class       17
  41 #define __lang_type_class       18
  42
  43
  44 #define TEST(var) \
  45   ({ int wrong = (__builtin_classify_type (__##var##_type)                    \
  46                   != __##var##_type_class);                                   \
  47      printf ("%-15s is %d: %s\n",                                             \
  48              #var, __builtin_classify_type (__##var##_type),                  \
  49              wrong ? "WRONG" : "OK");                                         \
  50      wrong;                                                                   \
  51   })
  52
  53
  54 int
  55 main (void)
  56 {
  57   int result = 0;
  58   int __integer_type;
  59   void *__pointer_type;
  60   double __real_type;
  61   __complex__ double __complex_type;
  62   struct { int a; } __record_type;
  63   union { int a; int b; } __union_type;
  64
  65   result |= TEST (integer);
  66   result |= TEST (pointer);
  67   result |= TEST (real);
  68   result |= TEST (complex);
  69   result |= TEST (record);
  70   result |= TEST (union);
  71
  72   return result;
  73 }