/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License, Version 1.0 only

 * (the "License").  You may not use this file except in compliance

 * with the License.

 *

 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

 * or http://www.opensolaris.org/os/licensing.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

 * If applicable, add the following below this CDDL HEADER, with the

 * fields enclosed by brackets "[]" replaced with your own identifying

 * information: Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 */

/*

 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.

 * Use is subject to license terms.

 */

#pragma ident	"%Z%%M%	%I%	%E% SMI"

/*	Copyright (c) 1988 AT&T	*/

/*	  All Rights Reserved  	*/

#pragma weak str2sig = _str2sig

#pragma weak sig2str = _sig2str

#include "synonyms.h"

#include <string.h>

#include <stdlib.h>

#include <signal.h>

#include <sys/types.h>

#include <errno.h>

typedef struct signame {

	const char *sigstr;

	const int   signum;

} signame_t;

static signame_t signames[] = {

	{ "EXIT",	0 },

	{ "HUP",	SIGHUP },

	{ "INT",	SIGINT },

	{ "QUIT",	SIGQUIT },

	{ "ILL",	SIGILL },

	{ "TRAP",	SIGTRAP },

	{ "ABRT",	SIGABRT },

	{ "IOT",	SIGIOT },

	{ "EMT",	SIGEMT },

	{ "FPE",	SIGFPE },

	{ "KILL",	SIGKILL },

	{ "BUS",	SIGBUS },

	{ "SEGV",	SIGSEGV },

	{ "SYS",	SIGSYS },

	{ "PIPE",	SIGPIPE },

	{ "ALRM",	SIGALRM },

	{ "TERM",	SIGTERM },

	{ "USR1",	SIGUSR1 },

	{ "USR2",	SIGUSR2 },

	{ "CLD",	SIGCLD },

	{ "CHLD",	SIGCHLD },

	{ "PWR",	SIGPWR },

	{ "WINCH",	SIGWINCH },

	{ "URG",	SIGURG },

	{ "POLL",	SIGPOLL },

	{ "IO",		SIGPOLL },

	{ "STOP",	SIGSTOP },

	{ "TSTP",	SIGTSTP },

	{ "CONT",	SIGCONT },

	{ "TTIN",	SIGTTIN },

	{ "TTOU",	SIGTTOU },

	{ "VTALRM",	SIGVTALRM },

	{ "PROF",	SIGPROF },

	{ "XCPU",	SIGXCPU },

	{ "XFSZ",	SIGXFSZ },

	{ "WAITING",	SIGWAITING },

	{ "LWP",	SIGLWP },

	{ "FREEZE",	SIGFREEZE },

	{ "THAW",	SIGTHAW },

	{ "CANCEL",	SIGCANCEL },

	{ "LOST",	SIGLOST },

	{ "XRES", 	SIGXRES },

	{ "JVM1",	SIGJVM1 },

	{ "JVM2",	SIGJVM2 },

	{ "RTMIN",	_SIGRTMIN },

	{ "RTMIN+1",	_SIGRTMIN+1 },

	{ "RTMIN+2",	_SIGRTMIN+2 },

	{ "RTMIN+3",	_SIGRTMIN+3 },

	{ "RTMAX-3",	_SIGRTMAX-3 },

	{ "RTMAX-2",	_SIGRTMAX-2 },

	{ "RTMAX-1",	_SIGRTMAX-1 },

	{ "RTMAX",	_SIGRTMAX },

};

#define	SIGCNT	(sizeof (signames) / sizeof (struct signame))

static int	str2long(const char *, long *);

static int

str2long(const char *p, long *val)

{

	char *q;

	int error;

	int saved_errno = errno;

	errno = 0;

	*val = strtol(p, &q, 10);

	error = ((errno != 0 || q == p || *q != '\0') ? -1 : 0);

	errno = saved_errno;

	return (error);

}

int

str2sig(const char *s, int *sigp)

{

	const struct signame *sp;

	if (*s >= '0' && *s <= '9') {

		long val;

		if (str2long(s, &val) == -1)

			return (-1);

		for (sp = signames; sp < &signames[SIGCNT]; sp++) {

			if (sp->signum == val) {

				*sigp = sp->signum;

				return (0);

			}

		}

		return (-1);

	} else {

		for (sp = signames; sp < &signames[SIGCNT]; sp++) {

			if (strcmp(sp->sigstr, s) == 0) {

				*sigp = sp->signum;

				return (0);

			}

		}

		return (-1);

	}

}

int

sig2str(int i, char *s)

{

	const struct signame *sp;

	for (sp = signames; sp < &signames[SIGCNT]; sp++) {

		if (sp->signum == i) {

			(void) strcpy(s, sp->sigstr);

			return (0);

		}

	}

	return (-1);

}