[mirror_edk2.git] / StdLib / BsdSocketLib / herror.c

/*\r
 * Copyright (c) 1987, 1993\r
 *	The Regents of the University of California.  All rights reserved.\r
 *\r
 * Portions copyright (c) 1999, 2000\r
 * Intel Corporation.\r
 * All rights reserved.\r
 * \r
 * Redistribution and use in source and binary forms, with or without\r
 * modification, are permitted provided that the following conditions\r
 * are met:\r
 * \r
 * 1. Redistributions of source code must retain the above copyright\r
 *    notice, this list of conditions and the following disclaimer.\r
 * \r
 * 2. Redistributions in binary form must reproduce the above copyright\r
 *    notice, this list of conditions and the following disclaimer in the\r
 *    documentation and/or other materials provided with the distribution.\r
 * \r
 * 3. All advertising materials mentioning features or use of this software\r
 *    must display the following acknowledgement:\r
 * \r
 *    This product includes software developed by the University of\r
 *    California, Berkeley, Intel Corporation, and its contributors.\r
 * \r
 * 4. Neither the name of University, Intel Corporation, or their respective\r
 *    contributors may be used to endorse or promote products derived from\r
 *    this software without specific prior written permission.\r
 * \r
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS, INTEL CORPORATION AND\r
 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,\r
 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS\r
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS,\r
 * INTEL CORPORATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,\r
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\r
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\r
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\r
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\r
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF\r
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
 *\r
 */\r
\r
/*\r
 * Portions Copyright (c) 1996 by Internet Software Consortium.\r
 *\r
 * Permission to use, copy, modify, and distribute this software for any\r
 * purpose with or without fee is hereby granted, provided that the above\r
 * copyright notice and this permission notice appear in all copies.\r
 *\r
 * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS\r
 * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES\r
 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE\r
 * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL\r
 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR\r
 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS\r
 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS\r
 * SOFTWARE.\r
 */\r
\r
#if defined(LIBC_SCCS) && !defined(lint)\r
static char sccsid[] = "@(#)herror.c	8.1 (Berkeley) 6/4/93";\r
static char rcsid[] = "$Id: herror.c,v 1.1.1.1 2003/11/19 01:51:28 kyu3 Exp $";\r
#endif /* LIBC_SCCS and not lint */\r
\r
#include <sys/types.h>\r
#include <sys/uio.h>\r
#include <netdb.h>\r
#include <string.h>\r
#include <stdio.h>\r
#include <unistd.h>\r
\r
const char *h_errlist[] = {\r
	"Resolver Error 0 (no error)",\r
	"Unknown host",				/* 1 HOST_NOT_FOUND */\r
	"Host name lookup failure",		/* 2 TRY_AGAIN */\r
	"Unknown server error",			/* 3 NO_RECOVERY */\r
	"No address associated with name",	/* 4 NO_ADDRESS */\r
};\r
int	h_nerr = { sizeof h_errlist / sizeof h_errlist[0] };\r
\r
int	h_errno;\r
\r
const char *\r
hstrerror(\r
  int err\r
  );\r
\r
/*\r
 * herror --\r
 *	print the error indicated by the h_errno value.\r
 */\r
void\r
herror(\r
	const char *s\r
	)\r
{\r
	struct iovec iov[4];\r
	register struct iovec *v = iov;\r
	int		i;\r
\r
	if (s && *s) {\r
		v->iov_base = (char *)s;\r
		v->iov_len = strlen(s);\r
		v++;\r
		v->iov_base = ": ";\r
		v->iov_len = 2;\r
		v++;\r
	}\r
	v->iov_base = (char *)hstrerror(h_errno);\r
	v->iov_len = strlen(v->iov_base);\r
	v++;\r
	v->iov_base = "\n";\r
	v->iov_len = 1;\r
#ifdef _ORG_FREEBSD_\r
	writev(STDERR_FILENO, iov, (v - iov) + 1);\r
#else\r
	for (i = 0; i < (v - iov) + 1; i++)\r
		fprintf( stderr, iov[i].iov_base);\r
#endif\r
\r
}\r
\r
const char *\r
hstrerror(\r
	int err\r
	)\r
{\r
	if (err < 0)\r
		return ("Resolver internal error");\r
	else if (err < h_nerr)\r
		return (h_errlist[err]);\r
	return ("Unknown resolver error");\r
}\r
Commit	Line	Data
d7ce7006	1	/*\r
	2	* Copyright (c) 1987, 1993\r
	3	* The Regents of the University of California. All rights reserved.\r
	4	*\r
	5	* Portions copyright (c) 1999, 2000\r
	6	* Intel Corporation.\r
	7	* All rights reserved.\r
	8	* \r
	9	* Redistribution and use in source and binary forms, with or without\r
	10	* modification, are permitted provided that the following conditions\r
	11	* are met:\r
	12	* \r
	13	* 1. Redistributions of source code must retain the above copyright\r
	14	* notice, this list of conditions and the following disclaimer.\r
	15	* \r
	16	* 2. Redistributions in binary form must reproduce the above copyright\r
	17	* notice, this list of conditions and the following disclaimer in the\r
	18	* documentation and/or other materials provided with the distribution.\r
	19	* \r
	20	* 3. All advertising materials mentioning features or use of this software\r
	21	* must display the following acknowledgement:\r
	22	* \r
	23	* This product includes software developed by the University of\r
	24	* California, Berkeley, Intel Corporation, and its contributors.\r
	25	* \r
	26	* 4. Neither the name of University, Intel Corporation, or their respective\r
	27	* contributors may be used to endorse or promote products derived from\r
	28	* this software without specific prior written permission.\r
	29	* \r
	30	* THIS SOFTWARE IS PROVIDED BY THE REGENTS, INTEL CORPORATION AND\r
	31	* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,\r
	32	* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS\r
	33	* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS,\r
	34	* INTEL CORPORATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,\r
	35	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\r
	36	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\r
	37	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\r
	38	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\r
	39	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF\r
	40	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
	41	*\r
	42	*/\r
	43	\r
	44	/*\r
	45	* Portions Copyright (c) 1996 by Internet Software Consortium.\r
	46	*\r
	47	* Permission to use, copy, modify, and distribute this software for any\r
	48	* purpose with or without fee is hereby granted, provided that the above\r
	49	* copyright notice and this permission notice appear in all copies.\r
	50	*\r
	51	* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS\r
	52	* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES\r
	53	* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE\r
	54	* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL\r
	55	* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR\r
	56	* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS\r
	57	* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS\r
	58	* SOFTWARE.\r
	59	*/\r
	60	\r
	61	#if defined(LIBC_SCCS) && !defined(lint)\r
	62	static char sccsid[] = "@(#)herror.c 8.1 (Berkeley) 6/4/93";\r
	63	static char rcsid[] = "$Id: herror.c,v 1.1.1.1 2003/11/19 01:51:28 kyu3 Exp $";\r
	64	#endif /* LIBC_SCCS and not lint */\r
65	\r
66	#include <sys/types.h>\r
67	#include <sys/uio.h>\r
68	#include <netdb.h>\r
69	#include <string.h>\r
70	#include <stdio.h>\r
71	#include <unistd.h>\r
72	\r
73	const char *h_errlist[] = {\r
74	"Resolver Error 0 (no error)",\r
75	"Unknown host", /* 1 HOST_NOT_FOUND */\r
76	"Host name lookup failure", /* 2 TRY_AGAIN */\r
77	"Unknown server error", /* 3 NO_RECOVERY */\r
78	"No address associated with name", /* 4 NO_ADDRESS */\r
79	};\r
80	int h_nerr = { sizeof h_errlist / sizeof h_errlist[0] };\r
81	\r
82	int h_errno;\r
83	\r
84	const char *\r
85	hstrerror(\r
86	int err\r
87	);\r
88	\r
89	/*\r
90	* herror --\r
91	* print the error indicated by the h_errno value.\r
92	*/\r
93	void\r
94	herror(\r
95	const char *s\r
96	)\r
97	{\r
98	struct iovec iov[4];\r
99	register struct iovec *v = iov;\r
100	int i;\r
101	\r
102	if (s && *s) {\r
103	v->iov_base = (char *)s;\r
104	v->iov_len = strlen(s);\r
105	v++;\r
106	v->iov_base = ": ";\r
107	v->iov_len = 2;\r
108	v++;\r
109	}\r
110	v->iov_base = (char *)hstrerror(h_errno);\r
111	v->iov_len = strlen(v->iov_base);\r
112	v++;\r
113	v->iov_base = "\n";\r
114	v->iov_len = 1;\r
115	#ifdef _ORG_FREEBSD_\r
116	writev(STDERR_FILENO, iov, (v - iov) + 1);\r
117	#else\r
118	for (i = 0; i < (v - iov) + 1; i++)\r
119	fprintf( stderr, iov[i].iov_base);\r
120	#endif\r
121	\r
122	}\r
123	\r
124	const char *\r
125	hstrerror(\r
126	int err\r
127	)\r
128	{\r
129	if (err < 0)\r
130	return ("Resolver internal error");\r
131	else if (err < h_nerr)\r
132	return (h_errlist[err]);\r
133	return ("Unknown resolver error");\r
134	}\r