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herror.c
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C/C++ Source or Header
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1996-09-28
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4KB
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102 lines
/*
* Copyright (c) 1987 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)herror.c 6.6 (Berkeley) 2/24/91";
#endif /* LIBC_SCCS and not lint */
#define _KERNEL
#include "ixnet.h"
#include <stdio.h>
#include <sys/uio.h>
#include <netdb.h>
#include <unistd.h>
#include <string.h>
#include <amitcp/socketbasetags.h>
char *h_errlist[] = {
"Error 0",
"Unknown host", /* 1 HOST_NOT_FOUND */
"Host name lookup failure", /* 2 TRY_AGAIN */
"Unknown server error", /* 3 NO_RECOVERY */
"No address associated with name", /* 4 NO_ADDRESS */
};
int h_nerr = { sizeof(h_errlist)/sizeof(h_errlist[0]) };
/*
* herror --
* print the error indicated by the h_errno value.
*/
void
herror(const char *s) {
struct iovec iov[4];
register struct ixnet *p = (struct ixnet *)u.u_ixnet;
register struct iovec *v = iov;
if (p->u_networkprotocol == IX_NETWORK_AMITCP) {
char *err;
struct TagItem list[] = {
{SBTM_GETREF(SBTC_HERRNOSTRPTR), (ULONG)&h_errno},
{TAG_END}
};
err = (char *)TCP_SocketBaseTagList(list);
if (s) {
fputs(s, stderr);
fputs(": ", stderr);
}
fputs(err, stderr);
fputc('\n', stderr);
fflush(stderr);
return;
}
if (s && *s) {
v->iov_base = (char *)s;
v->iov_len = strlen(s);
v++;
v->iov_base = ": ";
v->iov_len = 2;
v++;
}
v->iov_base = (u_int)h_errno < h_nerr ?
h_errlist[h_errno] : "Unknown error";
v->iov_len = strlen(v->iov_base);
v++;
v->iov_base = "\n";
v->iov_len = 1;
writev(STDERR_FILENO, iov, (v - iov) + 1);
}