libio/test-fmemopen.c

   1 /* Test for fmemopen implementation.
   2    Copyright (C) 2000-2015 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Hanno Mueller, kontakt@hanno.de, 2000.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library 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 GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 static char buffer[] = "foobar";
  21
  22 #include <stdio.h>
  23 #include <string.h>
  24 #include <errno.h>
  25
  26 static int
  27 do_test (void)
  28 {
  29   int ch;
  30   FILE *stream;
  31   int ret = 0;
  32
  33   stream = fmemopen (buffer, strlen (buffer), "r+");
  34
  35   while ((ch = fgetc (stream)) != EOF)
  36     printf ("Got %c\n", ch);
  37
  38   fputc ('1', stream);
  39   if (fflush (stream) != EOF || errno != ENOSPC)
  40     {
  41       printf ("fflush didn't fail with ENOSPC\n");
  42       ret = 1;
  43     }
  44
  45   fclose (stream);
  46
  47   return ret;
  48 }
  49
  50 #define TEST_FUNCTION do_test ()
  51 #include "../test-skeleton.c"