/*
 * Copyright 2002-2011, Haiku, Inc. All rights reserved.
 * Distributed under the terms of the MIT license.
 *
 * Author:
 *              Daniel Reinhold (danielre@users.sf.net)
 *              Ingo Weinhold, ingo_weinhold@gmx.de
 */


#include <string.h>

#include <errno.h>
#include <signal.h>
#include <stdio.h>

#include <errno_private.h>
#include <signal_defs.h>


static const char* const kInvalidSignalNumberText = "Bogus signal number";


const char * const
sys_siglist[NSIG] = {
        /*  0 */                                "Signal 0",
        /*  1 - SIGHUP */               "Hangup",
        /*  2 - SIGINT  */              "Interrupt",
        /*  3 - SIGQUIT */              "Quit",
        /*  4 - SIGILL */               "Illegal instruction",
        /*  5 - SIGCHLD */              "Child exited",
        /*  6 - SIGABRT */              "Abort",
        /*  7 - SIGPIPE */              "Broken pipe",
        /*  8 - SIGFPE */               "Floating point exception",
        /*  9 - SIGKILL */              "Killed (by death)",
        /* 10 - SIGSTOP */              "Stopped",
        /* 11 - SIGSEGV */              "Segmentation violation",
        /* 12 - SIGCONT */              "Continued",
        /* 13 - SIGTSTP */              "Stopped (tty output)",
        /* 14 - SIGALRM */              "Alarm",
        /* 15 - SIGTERM */              "Termination requested",
        /* 16 - SIGTTIN */              "Stopped (tty input)",
        /* 17 - SIGTTOU */              "Stopped (tty output)",
        /* 18 - SIGUSR1 */              "User defined signal 1",
        /* 19 - SIGUSR2 */              "User defined signal 2",
        /* 20 - SIGWINCH */             "Window size changed",
        /* 21 - SIGKILLTHR */   "Kill Thread",
        /* 22 - SIGTRAP */              "Trace/breakpoint trap",
        /* 23 - SIGPOLL */              "Pollable event",
        /* 24 - SIGPROF */              "Profiling timer expired",
        /* 25 - SIGSYS */               "Bad system call",
        /* 26 - SIGURG */               "High bandwidth data is available at socket",
        /* 27 - SIGVTALRM */    "Virtual timer expired",
        /* 28 - SIGXCPU */              "CPU time limit exceeded",
        /* 29 - SIGXFSZ */              "File size limit exceeded",
        /* 30 - SIGBUS */               "Bus error",
        /* 31 - SIGRESERVED1 */ "Reserved signal 1",
        /* 32 - SIGRESERVED2 */ "Reserved signal 2",
        /* 33 - realtime 1 */   "Realtime signal 1",
        /* 34 - realtime 2 */   "Realtime signal 2",
        /* 35 - realtime 3 */   "Realtime signal 3",
        /* 36 - realtime 4 */   "Realtime signal 4",
        /* 37 - realtime 5 */   "Realtime signal 5",
        /* 38 - realtime 6 */   "Realtime signal 6",
        /* 39 - realtime 7 */   "Realtime signal 7",
        /* 40 - realtime 8 */   "Realtime signal 8",
        /* 41 - invalid */              kInvalidSignalNumberText,
        /* 42 - invalid */              kInvalidSignalNumberText,
        /* 43 - invalid */              kInvalidSignalNumberText,
        /* 44 - invalid */              kInvalidSignalNumberText,
        /* 45 - invalid */              kInvalidSignalNumberText,
        /* 46 - invalid */              kInvalidSignalNumberText,
        /* 47 - invalid */              kInvalidSignalNumberText,
        /* 48 - invalid */              kInvalidSignalNumberText,
        /* 49 - invalid */              kInvalidSignalNumberText,
        /* 50 - invalid */              kInvalidSignalNumberText,
        /* 51 - invalid */              kInvalidSignalNumberText,
        /* 52 - invalid */              kInvalidSignalNumberText,
        /* 53 - invalid */              kInvalidSignalNumberText,
        /* 54 - invalid */              kInvalidSignalNumberText,
        /* 55 - invalid */              kInvalidSignalNumberText,
        /* 56 - invalid */              kInvalidSignalNumberText,
        /* 57 - invalid */              kInvalidSignalNumberText,
        /* 58 - invalid */              kInvalidSignalNumberText,
        /* 59 - invalid */              kInvalidSignalNumberText,
        /* 60 - invalid */              kInvalidSignalNumberText,
        /* 61 - invalid */              kInvalidSignalNumberText,
        /* 62 - invalid */              kInvalidSignalNumberText,
        /* 63 - invalid */              kInvalidSignalNumberText,
        /* 64 - invalid */              kInvalidSignalNumberText
};


const char*
strsignal(int sig)
{
        if (sig < 0 || sig > __MAX_SIGNO)
                return kInvalidSignalNumberText;

        return sys_siglist[sig];
}