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      1 /* This testcase is part of GDB, the GNU debugger.
      2 
      3    Copyright (C) 2013-2024 Free Software Foundation, Inc.
      4    Contributed by Hui Zhu  <hui (at) codesourcery.com>
      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 #include <stdio.h>
     20 #include <stdlib.h>
     21 
     22 #include "unbuffer_output.c"
     23 
     24 static int g;
     25 
     26 void
     27 foo (int arg)
     28 {
     29   g += arg;
     30   g *= 2; /* set dprintf 1 here */
     31   g /= 2.5; /* set breakpoint 1 here */
     32 }
     33 
     34 int
     35 main (int argc, char *argv[])
     36 {
     37   int loc = 1234;
     38 
     39   gdb_unbuffer_output ();
     40 
     41   /* Ensure these functions are available.  */
     42   printf ("kickoff %d\n", loc);
     43   fprintf (stderr, "also to stderr %d\n", loc);
     44 
     45   foo (loc++);
     46   foo (loc++);
     47   foo (loc++);
     48   return g;
     49 }
     50 
     51 /* Make sure function 'malloc' is linked into program.  On some bare-metal
     52    port, if we don't use 'malloc', it will not be linked in program.  'malloc'
     53    is needed, otherwise we'll see such error message
     54    evaluation of this expression requires the program to have a function
     55    "malloc".  */
     56 
     57 void
     58 bar (void)
     59 {
     60   void *p = malloc (16);
     61 
     62   free (p);
     63 }
     64