gdb/testsuite/gdb.base/complex.c

   1 /* Copyright 2002, 2003, 2004, 2007 Free Software Foundation, Inc.
   2
   3    This file is part of GDB.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 2 of the License, or (at
   8    your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful, but
  11    WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software
  17    Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 /* Test taken from GCC.  Verify that we can print a structure containing
  21    a complex number.  */
  22
  23 #include <stdlib.h>
  24
  25 typedef __complex__ float cf;
  26 struct x { char c; cf f; } __attribute__ ((__packed__));
  27 struct unpacked_x { char c; cf f; };
  28 extern void f4 (struct unpacked_x*);
  29 extern void f3 (void);
  30 extern void f2 (struct x*);
  31 extern void f1 (void);
  32 int
  33 main (void)
  34 {
  35   f1 ();
  36   f3 ();
  37   exit (0);
  38 }
  39
  40 void
  41 f1 (void)
  42 {
  43   struct x s;
  44   s.f = 1;
  45   s.c = 42;
  46   f2 (&s);
  47 }
  48
  49 void
  50 f2 (struct x *y)
  51 {
  52   if (y->f != 1 || y->c != 42)
  53     abort ();
  54 }
  55
  56 void
  57 f3 (void)
  58 {
  59   struct unpacked_x s;
  60   s.f = 1;
  61   s.c = 42;
  62   f4 (&s);
  63 }
  64
  65 void
  66 f4 (struct unpacked_x *y)
  67 {
  68   if (y->f != 1 || y->c != 42)
  69     abort ();
  70 }