/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#include "mt.h"
#include <unistd.h>
#include <stdio.h>
#include <stddef.h>
#include <libintl.h>
#include <stropts.h>
#include <xti.h>
#include "tx.h"

static const char __nsl_dom[]  = "SUNW_OST_NETNSL";

static char *_xti_errlist[] = {
        "No Error",                                     /*  0 */
        "Incorrect address format",                     /*  1 - TBADADDR */
        "Incorrect options format",                     /*  2 - TBADOPT */
        "Illegal permissions",                          /*  3 - TACCES */
        "Illegal file descriptor",                      /*  4 - TBADF */
        "Couldn't allocate address",                    /*  5 - TNOADDR */
        "Routine will place interface out of state",    /*  6 - TOUTSTATE */
        "Illegal called/calling sequence number",       /*  7 - TBADSEQ */
        "System error",                                 /*  8 - TSYSERR */
        "An event requires attention",                  /*  9 - TLOOK */
        "Illegal amount of data",                       /* 10 - TBADDATA */
        "Buffer not large enough",                      /* 11 - TBUFOVFLW */
        "Can't send message - (blocked)",               /* 12 - TFLOW */
        "No message currently available",               /* 13 - TNODATA */
        "Disconnect message not found",                 /* 14 - TNODIS */
        "Unitdata error message not found",             /* 15 - TNOUDERR */
        "Incorrect flags specified",                    /* 16 - TBADFLAG */
        "Orderly release message not found",            /* 17 - TNOREL */
        "Primitive not supported by provider",          /* 18 - TNOTSUPPORT */
        "State is in process of changing",              /* 19 - TSTATECHNG */

        /* Following error codes are new in XTI */

        "Unsupported structure type requested",         /* 20 - TNOSTRUCTYPE */
        "Invalid transport provider name",              /* 21 - TBADNAME */
        "Listener queue length limit is zero",          /* 22 - TBADQLEN */
        "Transport address is in use",                  /* 23 - TADDRBUSY */
        "Outstanding connection indications",           /* 24 - TINDOUT */
        "Listener-acceptor transport provider mismatch",
                                                        /* 25 - TPROVMISMATCH */
        "Connection acceptor has listen queue length limit greater than zero",
                                                        /* 26 - TRESQLEN */
"Connection acceptor-listener address not same but required by transport",
                                                        /* 27 - TRESADDR */
        "Incoming connection queue is full",            /* 28 - TQFULL */
        "Protocol error on transport primitive",        /* 29 - TPROTO */
};

static int _xti_nerr = A_CNT(_xti_errlist)-1; /* take off entry t_errno 0 */

char *
_tx_strerror(int errnum, int api_semantics)
{
        static char buf[BUFSIZ];

        if (_T_IS_XTI(api_semantics)) {
                if (errnum <= _xti_nerr && errnum >= 0)
                        return (dgettext(__nsl_dom, _xti_errlist[errnum]));
                (void) snprintf(buf, sizeof (buf), "%d: %s", errnum,
                        dgettext(__nsl_dom, "error unknown"));
                return (buf);
        }

        /* TX_TLI_API */
        /*
         * This code for TLI only. It uses "t_nerr" and "t_errlist"
         * which are exposed interfaces in the t_error() man page.
         * XTI uses different array to avoid binary compatibility
         * issues in using the exposed array. [ XTI t_error() does
         * not mention the error message list array ]
         *
         * For the moment we simply index into the t_errlist[] array.
         * When the array fills (we cannot allow it to expand in size
         * or binary compatibility will be broken), this code will need
         * modification.  See the comment in _errlst.c.
         */
        if (errnum < t_nerr && errnum >= 0)
                return (dgettext(__nsl_dom, t_errlist[errnum]));
        (void) snprintf(buf, sizeof (buf), "%d: %s", errnum,
                        dgettext(__nsl_dom, "error unknown"));
        return (buf);
}