Files
sudo/compat/sig2str.c
Todd C. Miller 98ffa51545 Add guards in compat source files. Not really needed since we only
include them in the Makefile if they are needed but should not hurt
either.
2013-04-01 10:19:26 -04:00

80 lines
2.3 KiB
C

/*
* Copyright (c) 2012 Todd C. Miller <Todd.Miller@courtesan.com>
*
* 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.
*/
#include <config.h>
#ifndef HAVE_SIG2STR
#include <sys/types.h>
#include <errno.h>
#include <stdio.h>
#ifdef STDC_HEADERS
# include <stdlib.h>
# include <stddef.h>
#else
# ifdef HAVE_STDLIB_H
# include <stdlib.h>
# endif
#endif /* STDC_HEADERS */
#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 "missing.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_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
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 */