/*
* Copyright (c) 1988, 1993, 1994, 2017
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* 2017-10-14 Niklas Hambüchen <mail@nh2.me>
* - Extracted signal names mapping from kill.c
*
* Copyright (C) 2014 Sami Kerola <kerolasa@iki.fi>
* Copyright (C) 2014 Karel Zak <kzak@redhat.com>
* Copyright (C) 2017 Niklas Hambüchen <mail@nh2.me>
*/
#include <ctype.h> /* for isdigit() */
#include <signames.h>
#include <signal.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include "c.h"
#include "strutils.h"
#ifdef SIGRTMIN
static int rtsig_to_signum(const char *sig)
{
int num, maxi = 0;
char *ep = NULL;
if (strncasecmp(sig, "min+", 4) == 0)
sig += 4;
else if (strncasecmp(sig, "max-", 4) == 0) {
sig += 4;
maxi = 1;
}
if (!isdigit(*sig))
return -1;
errno = 0;
num = strtol(sig, &ep, 10);
if (!ep || sig == ep || errno || num < 0)
return -1;
num = maxi ? SIGRTMAX - num : SIGRTMIN + num;
if (num < SIGRTMIN || SIGRTMAX < num)
return -1;
return num;
}
#endif
int signame_to_signum(const char *sig)
{
size_t n;
if (!strncasecmp(sig, "sig", 3))
sig += 3;
#ifdef SIGRTMIN
/* RT signals */
if (!strncasecmp(sig, "rt", 2))
return rtsig_to_signum(sig + 2);
#endif
/* Normal signals */
for (n = 0; n < ARRAY_SIZE(sys_signame); n++) {
if (!strcasecmp(sys_signame[n].name, sig))
return sys_signame[n].val;
}
return -1;
}
