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/* Test of strsignal() function.
Copyright (C) 2008-2022 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <https://www.gnu.org/licenses/>. */
/* Written by Colin Watson <cjwatson@debian.org>, 2008. */
#include <config.h>
#include <string.h>
#include "signature.h"
SIGNATURE_CHECK (strsignal, char *, (int));
#include <signal.h>
#include "macros.h"
#if HAVE_DECL_SYS_SIGLIST
# define ASSERT_DESCRIPTION(actual, expected)
#else
/* In this case, we can guarantee some signal descriptions.
But allow the actual result to be longer than the expected result. */
# define ASSERT_DESCRIPTION(actual, expected) \
ASSERT (strncmp (actual, expected, strlen (expected)) == 0)
#endif
int
main (void)
{
/* Work around bug in cygwin 1.5.25 <string.h> by declaring str as
const char *, even though strsignal is supposed to return char *.
At any rate, this doesn't hurt, since POSIX 200x states that "The
string pointed to shall not be modified by the application." */
const char *str;
/* We try a couple of signals, since not all signals are supported
everywhere. Notwithstanding the #ifdef for neatness, SIGINT should in
fact be available on all platforms. */
#ifdef SIGHUP
str = strsignal (SIGHUP);
ASSERT (str);
ASSERT (*str);
ASSERT_DESCRIPTION (str, "Hangup");
#endif
#ifdef SIGINT
str = strsignal (SIGINT);
ASSERT (str);
ASSERT (*str);
ASSERT_DESCRIPTION (str, "Interrupt");
#endif
/* Test that for out-of-range signal numbers the result is usable. */
str = strsignal (-1);
ASSERT (str);
ASSERT (str != (char *) -1);
ASSERT (strlen (str));
str = strsignal (9249234);
ASSERT (str);
ASSERT (str != (char *) -1);
ASSERT (strlen (str));
return 0;
}
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