/*
 * Copyright (c) 2012, 2014 Jonas 'Sortie' Termansen.
 *
 * 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.
 *
 * string/strsignal.c
 * Convert signal number to a string.
 */

#define __SORTIX_STDLIB_REDIRECTS 0
#include <signal.h>
#include <string.h>

const char* sortix_strsignal(int signum)
{
	switch ( signum )
	{
	case SIGHUP: return "Hangup";
	case SIGINT: return "Interrupt";
	case SIGQUIT: return "Quit";
	case SIGILL: return "Invalid instruction";
	case SIGTRAP: return "Trace/breakpoint trap";
	case SIGABRT: return "Aborted";
	case SIGBUS: return "Bus Error";
	case SIGFPE: return "Floating point exception";
	case SIGKILL: return "Killed";
	case SIGUSR1: return "User defined signal 1";
	case SIGSEGV: return "Segmentation fault";
	case SIGUSR2: return "User defined signal 2";
	case SIGPIPE: return "Broken pipe";
	case SIGALRM: return "Alarm clock";
	case SIGTERM: return "Terminated";
	case SIGSYS: return "Bad system call";
	case SIGCHLD: return "Child exited";
	case SIGCONT: return "Continued";
	case SIGSTOP: return "Stopped (signal)";
	case SIGTSTP: return "Stopped";
	case SIGTTIN: return "Stopped (tty input)";
	case SIGTTOU: return "Stopped (tty output)";
	case SIGURG: return "Urgent I/O condition";
	case SIGXCPU: return "CPU time limit exceeded";
	case SIGXFSZ: return "File size limit exceeded";
	case SIGVTALRM: return "Virtual timer expired";
	case SIGPWR: return "Power Fail/Restart";
	case SIGWINCH: return "Window changed";
	default: break;
	}

	if ( SIGRTMIN <= signum && signum <= SIGRTMAX )
		return "Real-time signal";

	return "Unknown signal value";
}

char* strsignal(int signum)
{
	return (char*) sortix_strsignal(signum);
}