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73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
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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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#include <stdio.h>
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#include <string.h>
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#include <wchar.h>
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static int
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do_test (void)
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{
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FILE *f = popen ("echo test", "r");
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int result = 0, ret;
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char *line = NULL;
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size_t len = 0;
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if (f == NULL)
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{
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printf ("popen failed %m");
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return 1;
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}
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/* POSIX says that pipe streams are byte-oriented. */
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if (fwide (f, 0) >= 0)
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{
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puts ("popen did not return byte-oriented stream");
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result = 1;
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}
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if (getline (&line, &len, f) != 5)
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{
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puts ("could not read line from popen");
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result = 1;
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}
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else if (strcmp (line, "test\n") != 0)
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{
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printf ("read \"%s\"\n", line);
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result = 1;
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}
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if (getline (&line, &len, f) != -1)
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{
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puts ("second getline did not return -1");
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result = 1;
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}
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ret = pclose (f);
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if (ret != 0)
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{
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printf ("pclose returned %d\n", ret);
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result = 1;
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}
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return result;
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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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