79 lines
2.9 KiB
C
79 lines
2.9 KiB
C
/* $OpenBSD: gai_strerror.c,v 1.8 2015/09/14 07:38:38 guenther Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1997-1999, Craig Metz, 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 Craig Metz and
|
|
* by other contributors.
|
|
* 4. Neither the name of the author nor the names of 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.
|
|
*/
|
|
|
|
/* gai_strerror() v1.38 */
|
|
|
|
#include <sys/types.h>
|
|
#include <netdb.h>
|
|
#include <errno.h>
|
|
|
|
const char *
|
|
gai_strerror(int errnum)
|
|
{
|
|
switch (errnum) {
|
|
case 0:
|
|
return "no error";
|
|
case EAI_BADFLAGS:
|
|
return "invalid value for ai_flags";
|
|
case EAI_NONAME:
|
|
return "name or service is not known";
|
|
case EAI_AGAIN:
|
|
return "temporary failure in name resolution";
|
|
case EAI_FAIL:
|
|
return "non-recoverable failure in name resolution";
|
|
case EAI_NODATA:
|
|
return "no address associated with name";
|
|
case EAI_FAMILY:
|
|
return "ai_family not supported";
|
|
case EAI_SOCKTYPE:
|
|
return "ai_socktype not supported";
|
|
case EAI_SERVICE:
|
|
return "service not supported for ai_socktype";
|
|
case EAI_ADDRFAMILY:
|
|
return "address family for name not supported";
|
|
case EAI_MEMORY:
|
|
return "memory allocation failure";
|
|
case EAI_SYSTEM:
|
|
return "system error";
|
|
case EAI_BADHINTS:
|
|
return "invalid value for hints";
|
|
case EAI_PROTOCOL:
|
|
return "resolved protocol is unknown";
|
|
case EAI_OVERFLOW:
|
|
return "argument buffer overflow";
|
|
default:
|
|
return "unknown/invalid error";
|
|
}
|
|
}
|
|
DEF_WEAK(gai_strerror);
|