gdb/testsuite/gdb.base/checkpoint.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2005-2019 Free Software Foundation, Inc.
   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 #include <stdlib.h>
  19 #include <stdio.h>
  20 #include <unistd.h>
  21
  22 long lines = 0;
  23
  24 int 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       return 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   return 0;                     /* breakpoint 4 */
  60 }