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TP-Link_XR500v_v2-6/m4-1.4.13/tests/test-strsignal.c
2016-11-30 09:03:17 +08:00

87 lines
2.5 KiB
C

/* Test of strsignal() function.
Copyright (C) 2008 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, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
/* Written by Colin Watson <cjwatson@debian.org>, 2008. */
#include <config.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define ASSERT(expr) \
do \
{ \
if (!(expr)) \
{ \
fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
fflush (stderr); \
abort (); \
} \
} \
while (0)
#if HAVE_DECL_SYS_SIGLIST
# define ASSERT_DESCRIPTION(got, expect)
#else
/* In this case, we can guarantee some signal descriptions. */
# define ASSERT_DESCRIPTION(got, expect) ASSERT (!strcmp (got, expect))
#endif
int
main (int argc, char **argv)
{
/* 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;
}