2017-10-13 21:31:12 -05:00
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/*
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* Copyright (c) 1988, 1993, 1994, 2017
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* 2017-10-14 Niklas Hambüchen <mail@nh2.me>
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* - Extracted signal names mapping from kill.c
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*
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* Copyright (C) 2014 Sami Kerola <kerolasa@iki.fi>
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* Copyright (C) 2014 Karel Zak <kzak@redhat.com>
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* Copyright (C) 2017 Niklas Hambüchen <mail@nh2.me>
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*/
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#include <ctype.h> /* for isdigit() */
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#include <signames.h>
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#include <signal.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include "c.h"
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#include "strutils.h"
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#ifdef SIGRTMIN
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2017-10-13 21:45:20 -05:00
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static int rtsig_to_signum(const char *sig)
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2017-10-13 21:31:12 -05:00
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{
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int num, maxi = 0;
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char *ep = NULL;
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if (strncasecmp(sig, "min+", 4) == 0)
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sig += 4;
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else if (strncasecmp(sig, "max-", 4) == 0) {
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sig += 4;
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maxi = 1;
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}
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if (!isdigit(*sig))
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return -1;
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errno = 0;
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num = strtol(sig, &ep, 10);
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if (!ep || sig == ep || errno || num < 0)
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return -1;
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num = maxi ? SIGRTMAX - num : SIGRTMIN + num;
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if (num < SIGRTMIN || SIGRTMAX < num)
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return -1;
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return num;
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}
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#endif
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2017-10-13 21:45:20 -05:00
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int signame_to_signum(const char *sig)
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2017-10-13 21:31:12 -05:00
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{
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size_t n;
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if (!strncasecmp(sig, "sig", 3))
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sig += 3;
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#ifdef SIGRTMIN
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/* RT signals */
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if (!strncasecmp(sig, "rt", 2))
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return rtsig_to_signum(sig + 2);
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#endif
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/* Normal signals */
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for (n = 0; n < ARRAY_SIZE(sys_signame); n++) {
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if (!strcasecmp(sys_signame[n].name, sig))
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return sys_signame[n].val;
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}
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return -1;
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}
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