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/*
* Copyright (c) 2012-2014 Todd C. Miller <Todd.Miller@sudo.ws>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* This is an open source non-commercial project. Dear PVS-Studio, please check it.
* PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
*/
#include <config.h>
#ifndef HAVE_SIG2STR
#include <sys/types.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_STRING_H
# include <string.h>
#endif /* HAVE_STRING_H */
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif /* HAVE_STRINGS_H */
#include <signal.h>
#include <unistd.h>
#include "sudo_compat.h"
#if defined(HAVE_DECL_SYS_SIGNAME) && HAVE_DECL_SYS_SIGNAME == 1
# define sudo_sys_signame sys_signame
#elif defined(HAVE_DECL__SYS_SIGNAME) && HAVE_DECL__SYS_SIGNAME == 1
# define sudo_sys_signame _sys_signame
#elif defined(HAVE_DECL_SYS_SIGABBREV) && HAVE_DECL_SYS_SIGABBREV == 1
# define sudo_sys_signame sys_sigabbrev
#else
# ifdef HAVE_SYS_SIGABBREV
/* sys_sigabbrev is not declared by glibc */
# define sudo_sys_signame sys_sigabbrev
# endif
extern const char *const sudo_sys_signame[NSIG];
#endif
/*
* Translate signal number to name.
*/
int
sudo_sig2str(int signo, char *signame)
{
#if defined(SIGRTMIN) && defined(SIGRTMAX)
/* Realtime signal support as per Solaris. */
if (signo >= SIGRTMIN && signo <= SIGRTMAX) {
snprintf(signame, SIG2STR_MAX, "RTMIN+%d", (signo - SIGRTMIN));
return 0;
}
#endif
if (signo > 0 && signo < NSIG && sudo_sys_signame[signo] != NULL) {
strlcpy(signame, sudo_sys_signame[signo], SIG2STR_MAX);
return 0;
}
errno = EINVAL;
return -1;
}
#endif /* HAVE_SIG2STR */
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