1 /* $NetBSD: errno2result.c,v 1.5 2014/12/10 04:38:01 christos Exp $ */
2
3 /*
4 * Copyright (C) 2004, 2005, 2007, 2008, 2013 Internet Systems Consortium, Inc. ("ISC")
5 * Copyright (C) 2000-2002 Internet Software Consortium.
6 *
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
12 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
13 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
14 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
15 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
16 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17 * PERFORMANCE OF THIS SOFTWARE.
18 */
19
20 /* Id: errno2result.c,v 1.17 2008/09/12 04:46:25 marka Exp */
21
22 #include <config.h>
23
24 #include <winsock2.h>
25 #include "errno2result.h"
26 #include <isc/result.h>
27 #include <isc/strerror.h>
28 #include <isc/util.h>
29
30 /*
31 * Convert a POSIX errno value into an isc_result_t. The
32 * list of supported errno values is not complete; new users
33 * of this function should add any expected errors that are
34 * not already there.
35 */
36 isc_result_t
isc__errno2resultx(int posixerrno,const char * file,int line)37 isc__errno2resultx(int posixerrno, const char *file, int line) {
38 char strbuf[ISC_STRERRORSIZE];
39
40 switch (posixerrno) {
41 case ENOTDIR:
42 case WSAELOOP:
43 case WSAEINVAL:
44 case EINVAL: /* XXX sometimes this is not for files */
45 case ENAMETOOLONG:
46 case WSAENAMETOOLONG:
47 case EBADF:
48 case WSAEBADF:
49 return (ISC_R_INVALIDFILE);
50 case ENOENT:
51 return (ISC_R_FILENOTFOUND);
52 case EACCES:
53 case WSAEACCES:
54 case EPERM:
55 return (ISC_R_NOPERM);
56 case EEXIST:
57 return (ISC_R_FILEEXISTS);
58 case EIO:
59 return (ISC_R_IOERROR);
60 case ENOMEM:
61 return (ISC_R_NOMEMORY);
62 #ifdef EOVERFLOW
63 case EOVERFLOW:
64 return (ISC_R_RANGE);
65 #endif
66 case ENFILE:
67 case EMFILE:
68 case WSAEMFILE:
69 return (ISC_R_TOOMANYOPENFILES);
70 case ERROR_CANCELLED:
71 return (ISC_R_CANCELED);
72 case ERROR_CONNECTION_REFUSED:
73 case WSAECONNREFUSED:
74 return (ISC_R_CONNREFUSED);
75 case WSAENOTCONN:
76 case ERROR_CONNECTION_INVALID:
77 return (ISC_R_NOTCONNECTED);
78 case ERROR_HOST_UNREACHABLE:
79 case WSAEHOSTUNREACH:
80 return (ISC_R_HOSTUNREACH);
81 case ERROR_NETWORK_UNREACHABLE:
82 case WSAENETUNREACH:
83 return (ISC_R_NETUNREACH);
84 case ERROR_NO_NETWORK:
85 return (ISC_R_NETUNREACH);
86 case ERROR_PORT_UNREACHABLE:
87 return (ISC_R_HOSTUNREACH);
88 case ERROR_SEM_TIMEOUT:
89 return (ISC_R_TIMEDOUT);
90 case WSAECONNRESET:
91 case WSAENETRESET:
92 case WSAECONNABORTED:
93 case WSAEDISCON:
94 case ERROR_OPERATION_ABORTED:
95 case ERROR_CONNECTION_ABORTED:
96 case ERROR_REQUEST_ABORTED:
97 return (ISC_R_CONNECTIONRESET);
98 case WSAEADDRNOTAVAIL:
99 return (ISC_R_ADDRNOTAVAIL);
100 case ERROR_NETNAME_DELETED:
101 case WSAENETDOWN:
102 return (ISC_R_NETUNREACH);
103 case WSAEHOSTDOWN:
104 return (ISC_R_HOSTUNREACH);
105 case WSAENOBUFS:
106 return (ISC_R_NORESOURCES);
107 default:
108 isc__strerror(posixerrno, strbuf, sizeof(strbuf));
109 UNEXPECTED_ERROR(file, line, "unable to convert errno "
110 "to isc_result: %d: %s", posixerrno, strbuf);
111 /*
112 * XXXDCL would be nice if perhaps this function could
113 * return the system's error string, so the caller
114 * might have something more descriptive than "unexpected
115 * error" to log with.
116 */
117 return (ISC_R_UNEXPECTED);
118 }
119 }
120