/* vi: set sw=4 ts=4: *//* * Utility routines. * * Copyright (C) many different people.  If you wrote this, please * acknowledge your work. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * USA */#include <signal.h>#include <ctype.h>#include <string.h>#include <stdlib.h>#include <stdio.h>struct signal_name {	const char *name;	int number;};static const struct signal_name signames[] = {	/* POSIX signals */	{ "EXIT",       0 },            /* 0 */	{ "HUP",        SIGHUP },       /* 1 */	{ "INT",        SIGINT },       /* 2 */	{ "QUIT",       SIGQUIT },      /* 3 */	{ "ILL",        SIGILL },       /* 4 */	{ "ABRT",       SIGABRT },      /* 6 */	{ "FPE",        SIGFPE },       /* 8 */	{ "KILL",       SIGKILL },      /* 9 */	{ "SEGV",       SIGSEGV },      /* 11 */	{ "PIPE",       SIGPIPE },      /* 13 */	{ "ALRM",       SIGALRM },      /* 14 */	{ "TERM",       SIGTERM },      /* 15 */	{ "USR1",       SIGUSR1 },      /* 10 (arm,i386,m68k,ppc), 30 (alpha,sparc*), 16 (mips) */	{ "USR2",       SIGUSR2 },      /* 12 (arm,i386,m68k,ppc), 31 (alpha,sparc*), 17 (mips) */	{ "CHLD",       SIGCHLD },      /* 17 (arm,i386,m68k,ppc), 20 (alpha,sparc*), 18 (mips) */	{ "CONT",       SIGCONT },      /* 18 (arm,i386,m68k,ppc), 19 (alpha,sparc*), 25 (mips) */	{ "STOP",       SIGSTOP },      /* 19 (arm,i386,m68k,ppc), 17 (alpha,sparc*), 23 (mips) */	{ "TSTP",       SIGTSTP },      /* 20 (arm,i386,m68k,ppc), 18 (alpha,sparc*), 24 (mips) */	{ "TTIN",       SIGTTIN },      /* 21 (arm,i386,m68k,ppc,alpha,sparc*), 26 (mips) */	{ "TTOU",       SIGTTOU },      /* 22 (arm,i386,m68k,ppc,alpha,sparc*), 27 (mips) */	/* Miscellaneous other signals */#ifdef SIGTRAP	{ "TRAP",       SIGTRAP },      /* 5 */#endif#ifdef SIGIOT	{ "IOT",        SIGIOT },       /* 6, same as SIGABRT */#endif#ifdef SIGEMT	{ "EMT",        SIGEMT },       /* 7 (mips,alpha,sparc*) */#endif#ifdef SIGBUS	{ "BUS",        SIGBUS },       /* 7 (arm,i386,m68k,ppc), 10 (mips,alpha,sparc*) */#endif#ifdef SIGSYS	{ "SYS",        SIGSYS },       /* 12 (mips,alpha,sparc*) */#endif#ifdef SIGSTKFLT	{ "STKFLT",     SIGSTKFLT },    /* 16 (arm,i386,m68k,ppc) */#endif#ifdef SIGURG	{ "URG",        SIGURG },       /* 23 (arm,i386,m68k,ppc), 16 (alpha,sparc*), 21 (mips) */#endif#ifdef SIGIO	{ "IO",         SIGIO },        /* 29 (arm,i386,m68k,ppc), 23 (alpha,sparc*), 22 (mips) */#endif#ifdef SIGPOLL	{ "POLL",       SIGPOLL },      /* same as SIGIO */#endif#ifdef SIGCLD	{ "CLD",        SIGCLD },       /* same as SIGCHLD (mips) */#endif#ifdef SIGXCPU	{ "XCPU",       SIGXCPU },      /* 24 (arm,i386,m68k,ppc,alpha,sparc*), 30 (mips) */#endif#ifdef SIGXFSZ	{ "XFSZ",       SIGXFSZ },      /* 25 (arm,i386,m68k,ppc,alpha,sparc*), 31 (mips) */#endif#ifdef SIGVTALRM	{ "VTALRM",     SIGVTALRM },    /* 26 (arm,i386,m68k,ppc,alpha,sparc*), 28 (mips) */#endif#ifdef SIGPROF	{ "PROF",       SIGPROF },      /* 27 (arm,i386,m68k,ppc,alpha,sparc*), 29 (mips) */#endif#ifdef SIGPWR	{ "PWR",        SIGPWR },       /* 30 (arm,i386,m68k,ppc), 29 (alpha,sparc*), 19 (mips) */#endif#ifdef SIGINFO	{ "INFO",       SIGINFO },      /* 29 (alpha) */#endif#ifdef SIGLOST	{ "LOST",       SIGLOST },      /* 29 (arm,i386,m68k,ppc,sparc*) */#endif#ifdef SIGWINCH	{ "WINCH",      SIGWINCH },     /* 28 (arm,i386,m68k,ppc,alpha,sparc*), 20 (mips) */#endif#ifdef SIGUNUSED	{ "UNUSED",     SIGUNUSED },    /* 31 (arm,i386,m68k,ppc) */#endif	{0, 0}};/*	if str_sig == NULL returned signal name [*signo],	if str_sig != NULL - set *signo from signal_name,		findings with digit number or with or without SIG-prefix name	if startnum=0 flag for support finding zero signal,		but str_sig="0" always found, (hmm - standart or realize?)	if startnum<0 returned reverse signal_number  <-> signal_name	if found error - returned NULL*/const char *u_signal_names(const char *str_sig, int *signo, int startnum){	static char retstr[16];	const struct signal_name *s = signames;	static const char prefix[] = "SIG";	const char *sptr;	if(startnum)		s++;	if(str_sig==NULL) {		while (s->name != 0) {			if(s->number == *signo)				break;			s++;		}	} else {		if (isdigit(((unsigned char)*str_sig))) {			char *endp;			long int sn = strtol(str_sig, &endp, 10);			/* test correct and overflow */			if(*endp == 0 && sn >= 0 && sn < NSIG) {				*signo = (int)sn;				/* test for unnamed */				sptr = u_signal_names(0, signo, 0);				if(sptr==NULL)					return NULL;				if(sn!=0)					sptr += 3;				return sptr;			}		} else {			sptr = str_sig;			while (s->name != 0) {				if (strcasecmp(s->name, sptr) == 0) {					*signo = s->number;					if(startnum<0) {						sprintf(retstr, "%d", *signo);						return retstr;					}					break;				}				if(s!=signames && sptr == str_sig &&						strncasecmp(sptr, prefix, 3) == 0) {					sptr += 3;      /* strlen(prefix) */					continue;				}				sptr = str_sig;				s++;			}		}	}	if(s->name==0)		return NULL;	if(s!=signames)		strcpy(retstr, prefix);	 else		retstr[0] = 0;	return strcat(retstr, s->name);}