87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/* Test of strsignal() function.
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Copyright (C) 2008 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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/* Written by Colin Watson <cjwatson@debian.org>, 2008. */
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#include <config.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define ASSERT(expr) \
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do \
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{ \
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if (!(expr)) \
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{ \
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fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
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fflush (stderr); \
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abort (); \
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} \
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} \
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while (0)
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#if HAVE_DECL_SYS_SIGLIST
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# define ASSERT_DESCRIPTION(got, expect)
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#else
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/* In this case, we can guarantee some signal descriptions. */
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# define ASSERT_DESCRIPTION(got, expect) ASSERT (!strcmp (got, expect))
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#endif
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int
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main (int argc, char **argv)
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{
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/* Work around bug in cygwin 1.5.25 <string.h> by declaring str as
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const char *, even though strsignal is supposed to return char *.
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At any rate, this doesn't hurt, since POSIX 200x states that "The
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string pointed to shall not be modified by the application." */
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const char *str;
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/* We try a couple of signals, since not all signals are supported
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everywhere. Notwithstanding the #ifdef for neatness, SIGINT should in
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fact be available on all platforms. */
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#ifdef SIGHUP
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str = strsignal (SIGHUP);
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ASSERT (str);
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ASSERT (*str);
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ASSERT_DESCRIPTION (str, "Hangup");
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#endif
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#ifdef SIGINT
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str = strsignal (SIGINT);
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ASSERT (str);
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ASSERT (*str);
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ASSERT_DESCRIPTION (str, "Interrupt");
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#endif
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/* Test that for out-of-range signal numbers the result is usable. */
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str = strsignal (-1);
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ASSERT (str);
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ASSERT (str != (char *) -1);
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ASSERT (strlen (str));
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str = strsignal (9249234);
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ASSERT (str);
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ASSERT (str != (char *) -1);
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ASSERT (strlen (str));
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return 0;
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}
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