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100 lines
2.2 KiB
C
100 lines
2.2 KiB
C
/* Test for fmemopen implementation.
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Copyright (C) 2000-2023 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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static char buffer[] = "foobar";
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <mcheck.h>
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static int
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do_bz18820 (void)
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{
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char ch;
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FILE *stream;
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errno = 0;
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stream = fmemopen (&ch, 1, "?");
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if (stream)
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{
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printf ("fmemopen: expected NULL, got %p\n", stream);
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fclose (stream);
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return 1;
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}
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if (errno != EINVAL)
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{
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printf ("fmemopen: got %i, expected EINVAL (%i)\n", errno, EINVAL);
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return 10;
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}
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stream = fmemopen (NULL, 42, "?");
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if (stream)
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{
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printf ("fmemopen: expected NULL, got %p\n", stream);
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fclose (stream);
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return 2;
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}
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errno = 0;
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stream = fmemopen (NULL, ~0, "w");
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if (stream)
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{
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printf ("fmemopen: expected NULL, got %p\n", stream);
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fclose (stream);
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return 3;
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}
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if (errno != ENOMEM)
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{
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printf ("fmemopen: got %i, expected ENOMEM (%i)\n", errno, ENOMEM);
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return 20;
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}
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return 0;
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}
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static int
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do_test (void)
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{
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int ch;
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FILE *stream;
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int ret = 0;
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mtrace ();
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stream = fmemopen (buffer, strlen (buffer), "r+");
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while ((ch = fgetc (stream)) != EOF)
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printf ("Got %c\n", ch);
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fputc ('1', stream);
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if (fflush (stream) != EOF || errno != ENOSPC)
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{
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printf ("fflush didn't fail with ENOSPC\n");
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ret = 1;
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}
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fclose (stream);
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return ret + do_bz18820 ();
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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