mirror of
https://github.com/sheumann/hush.git
synced 2024-12-27 01:32:08 +00:00
Oops. I forgot to commit this part of vodz' patch.
This commit is contained in:
Eric Andersen
parent
3450636169
commit
842757dc96
166
libbb/u_signal_names.c
Normal file
166
libbb/u_signal_names.c
Normal file
@ -0,0 +1,166 @@
|
||||
#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);
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user