gdb/testsuite/gdb.base/complex.c

   1 /* Copyright 2002, 2003, 2004, 2007, 2008, 2009, 2010, 2011
   2 Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program 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
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 /* Test taken from GCC.  Verify that we can print a structure containing
  20    a complex number.  */
  21
  22 #include <stdlib.h>
  23
  24 typedef __complex__ float cf;
  25 struct x { char c; cf f; } __attribute__ ((__packed__));
  26 struct unpacked_x { char c; cf f; };
  27 extern void f4 (struct unpacked_x*);
  28 extern void f3 (void);
  29 extern void f2 (struct x*);
  30 extern void f1 (void);
  31 int
  32 main (void)
  33 {
  34   f1 ();
  35   f3 ();
  36   exit (0);
  37 }
  38
  39 void
  40 f1 (void)
  41 {
  42   struct x s;
  43   s.f = 1;
  44   s.c = 42;
  45   f2 (&s);
  46 }
  47
  48 void
  49 f2 (struct x *y)
  50 {
  51   if (y->f != 1 || y->c != 42)
  52     abort ();
  53 }
  54
  55 void
  56 f3 (void)
  57 {
  58   struct unpacked_x s;
  59   s.f = 1;
  60   s.c = 42;
  61   f4 (&s);
  62 }
  63
  64 void
  65 f4 (struct unpacked_x *y)
  66 {
  67   if (y->f != 1 || y->c != 42)
  68     abort ();
  69 }