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 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program 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
  13    GNU 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, see <http://www.gnu.org/licenses/>.  */
  17
  18 /* Test taken from GCC.  Verify that we can print a structure containing
  19    a complex number.  */
  20
  21 #include <stdlib.h>
  22
  23 typedef __complex__ float cf;
  24 struct x { char c; cf f; } __attribute__ ((__packed__));
  25 struct unpacked_x { char c; cf f; };
  26 extern void f4 (struct unpacked_x*);
  27 extern void f3 (void);
  28 extern void f2 (struct x*);
  29 extern void f1 (void);
  30 int
  31 main (void)
  32 {
  33   f1 ();
  34   f3 ();
  35   exit (0);
  36 }
  37
  38 void
  39 f1 (void)
  40 {
  41   struct x s;
  42   s.f = 1;
  43   s.c = 42;
  44   f2 (&s);
  45 }
  46
  47 void
  48 f2 (struct x *y)
  49 {
  50   if (y->f != 1 || y->c != 42)
  51     abort ();
  52 }
  53
  54 void
  55 f3 (void)
  56 {
  57   struct unpacked_x s;
  58   s.f = 1;
  59   s.c = 42;
  60   f4 (&s);
  61 }
  62
  63 void
  64 f4 (struct unpacked_x *y)
  65 {
  66   if (y->f != 1 || y->c != 42)
  67     abort ();
  68 }