gdb/testsuite/gdb.base/checkpoint.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2005, 2006, 2007, 2008, 2009, 2010, 2011
   4    Free Software Foundation, Inc.
   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 <stdlib.h>
  20 #include <stdio.h>
  21
  22 long lines = 0;
  23
  24 main()
  25 {
  26   char linebuf[128];
  27   FILE *in, *out;
  28   char *tmp = &linebuf[0];
  29   long i;
  30   int c = 0;
  31
  32   in  = fopen ("pi.txt", "r");
  33   out = fopen ("copy1.txt", "w");
  34
  35   if (!in || !out)
  36     {
  37       fprintf (stderr, "File open failed\n");
  38       exit (1);
  39     }
  40
  41   for (i = 0; ; i++)
  42     {
  43       if (ftell (in) != i)
  44         fprintf (stderr, "Input error at %ld\n", i);
  45       if (ftell (out) != i)
  46         fprintf (stderr, "Output error at %ld\n", i);
  47       c = fgetc (in);
  48       if (c == '\n')
  49         lines++;        /* breakpoint 1 */
  50       if (c == EOF)
  51         break;
  52       fputc (c, out);
  53     }
  54   printf ("Copy complete.\n");  /* breakpoint 2 */
  55   fclose (in);
  56   fclose (out);
  57   printf ("Deleting copy.\n");  /* breakpoint 3 */
  58   unlink ("copy1.txt");
  59   exit (0);                     /* breakpoint 4 */
  60 }