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/* vi: set sw=4 ts=4: */
/*
* Signal name/number conversion routines.
*
* Copyright 2006 Rob Landley <rob@landley.net>
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include "libbb.h"
static const struct signal_name {
int number;
char name[5];
} signals[] = {
// SUSv3 says kill must support these, and specifies the numerical values,
// http://www.opengroup.org/onlinepubs/009695399/utilities/kill.html
// TODO: "[SIG]EXIT" shouldn't work for kill, right?
{0, "EXIT"}, {1, "HUP"}, {2, "INT"}, {3, "QUIT"}, {6, "ABRT"}, {9, "KILL"},
{14, "ALRM"}, {15, "TERM"},
// And Posix adds the following:
{SIGILL, "ILL"}, {SIGTRAP, "TRAP"}, {SIGFPE, "FPE"}, {SIGUSR1, "USR1"},
{SIGSEGV, "SEGV"}, {SIGUSR2, "USR2"}, {SIGPIPE, "PIPE"}, {SIGCHLD, "CHLD"},
{SIGCONT, "CONT"}, {SIGSTOP, "STOP"}, {SIGTSTP, "TSTP"}, {SIGTTIN, "TTIN"},
{SIGTTOU, "TTOU"}
};
// Convert signal name to number.
int get_signum(const char *name)
{
int i;
i = bb_strtou(name, NULL, 10);
if (!errno) return i;
for (i = 0; i < sizeof(signals) / sizeof(struct signal_name); i++)
if (strcasecmp(name, signals[i].name) == 0
|| (strncasecmp(name, "SIG", 3) == 0
&& strcasecmp(&name[3], signals[i].name) == 0))
return signals[i].number;
return -1;
}
// Convert signal number to name
const char *get_signame(int number)
{
int i;
static char buf[8];
for (i=0; i < sizeof(signals) / sizeof(struct signal_name); i++) {
if (number == signals[i].number) {
return signals[i].name;
}
}
itoa_to_buf(number, buf, 8);
return buf;
}
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