external/bsd/ntp/dist/lib/isc/win32/errno2result.c

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (C) 2004, 2005, 2007, 2008  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
  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         case ENFILE:
  63         case EMFILE:
  64         case WSAEMFILE:
  65                 return (ISC_R_TOOMANYOPENFILES);
  66         case ERROR_CANCELLED:
  67                 return (ISC_R_CANCELED);
  68         case ERROR_CONNECTION_REFUSED:
  69         case WSAECONNREFUSED:
  70                 return (ISC_R_CONNREFUSED);
  71         case WSAENOTCONN:
  72         case ERROR_CONNECTION_INVALID:
  73                 return (ISC_R_NOTCONNECTED);
  74         case ERROR_HOST_UNREACHABLE:
  75         case WSAEHOSTUNREACH:
  76                 return (ISC_R_HOSTUNREACH);
  77         case ERROR_NETWORK_UNREACHABLE:
  78         case WSAENETUNREACH:
  79                 return (ISC_R_NETUNREACH);
  80         case ERROR_NO_NETWORK:
  81                 return (ISC_R_NETUNREACH);
  82         case ERROR_PORT_UNREACHABLE:
  83                 return (ISC_R_HOSTUNREACH);
  84         case ERROR_SEM_TIMEOUT:
  85                 return (ISC_R_TIMEDOUT);
  86         case WSAECONNRESET:
  87         case WSAENETRESET:
  88         case WSAECONNABORTED:
  89         case WSAEDISCON:
  90         case ERROR_OPERATION_ABORTED:
  91         case ERROR_CONNECTION_ABORTED:
  92         case ERROR_REQUEST_ABORTED:
  93                 return (ISC_R_CONNECTIONRESET);
  94         case WSAEADDRNOTAVAIL:
  95                 return (ISC_R_ADDRNOTAVAIL);
  96         case ERROR_NETNAME_DELETED:
  97         case WSAENETDOWN:
  98                 return (ISC_R_NETUNREACH);
  99         case WSAEHOSTDOWN:
 100                 return (ISC_R_HOSTUNREACH);
 101         case WSAENOBUFS:
 102                 return (ISC_R_NORESOURCES);
 103         default:
 104                 isc__strerror(posixerrno, strbuf, sizeof(strbuf));
 105                 UNEXPECTED_ERROR(file, line, "unable to convert errno "
 106                                  "to isc_result: %d: %s", posixerrno, strbuf);
 107                 /*
 108                  * XXXDCL would be nice if perhaps this function could
 109                  * return the system's error string, so the caller
 110                  * might have something more descriptive than "unexpected
 111                  * error" to log with.
 112                  */
 113                 return (ISC_R_UNEXPECTED);
 114         }
 115 }