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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 {
char name[5];
int number;
} signals[] = {
// SUSv3 says kill must support these, and specifies the numerical values,
// http://www.opengroup.org/onlinepubs/009695399/utilities/kill.html
{"0", 0}, {"HUP", 1}, {"INT", 2}, {"QUIT", 3}, {"ABRT", 6}, {"KILL", 9},
{"ALRM", 14}, {"TERM", 15},
// And Posix adds the following:
{"ILL", SIGILL}, {"TRAP", SIGTRAP}, {"FPE", SIGFPE}, {"USR1", SIGUSR1},
{"SEGV", SIGSEGV}, {"USR2", SIGUSR2}, {"PIPE", SIGPIPE}, {"CHLD", SIGCHLD},
{"CONT", SIGCONT}, {"STOP", SIGSTOP}, {"TSTP", SIGTSTP}, {"TTIN", SIGTTIN},
{"TTOU", SIGTTOU}
};
// Convert signal name to number.
int get_signum(const char *name)
{
int i;
i = atoi(name);
if(i) return i;
for(i=0; i < sizeof(signals) / sizeof(struct signal_name); i++)
if (!strcasecmp(signals[i].name, name) ||
(!strncasecmp(signals[i].name, "SIG", 3)
&& !strcasecmp(signals[i].name+3, signals[i].name)))
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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