ERRMSG.C

/****************************************************************************\ 
*  errmsg.c -- sample program demonstrating NWLink. 
* 
*       Original code from Micro Computer Systems, Inc. 
*       Copyright(c) 1992  All Rights Reserved. 
*       Microsoft Developer Support 
*       Copyright 1992 - 1998 Microsoft Corporation 
* 
*  Demonstrates basic sockets programming with the Windows Sockets API 
*  using the NWLink transport. 
*  
****************************************************************************/ 
#include <windows.h> 
#include "externs.h" 
 
/* 
*   Messages we return if there was no error or we didn't have it 
*   in our list. 
*/ 
 
char msg_no_error[19] =      "No error occurred!"; 
char msg_unknown_error[14] = "Unknown error"; 
 
/* 
*   Error structures - Windows error number (from winsock header) and 
*   the corresponding description string. 
*/ 
 
ERROR_STRUCT errlist[] = { 
    {WSAEINTR,           "WSAEINTR - Interrupted"}, 
    {WSAEBADF, "WSAEBADF - Bad file number"},            
    {WSAEFAULT,   "WSAEFAULT - Bad address"},           
    {WSAEINVAL,          "WSAEINVAL - Invalid argument"},           
    {WSAEMFILE,          "WSAEMFILE - Too many open files"},           
 
/* 
*    Windows Sockets definitions of regular Berkeley error constants 
*/ 
 
    {WSAEWOULDBLOCK,   "WSAEWOULDBLOCK - Socket marked as non-blocking"}, 
    {WSAEINPROGRESS,     "WSAEINPROGRESS - Blocking call in progress"}, 
    {WSAEALREADY,        "WSAEALREADY - Command already completed"}, 
    {WSAENOTSOCK,        "WSAENOTSOCK - Descriptor is not a socket"}, 
    {WSAEDESTADDRREQ,    "WSAEDESTADDRREQ - Destination address required"},   
    {WSAEMSGSIZE,        "WSAEMSGSIZE - Data size too large"},      
    {WSAEPROTOTYPE,      "WSAEPROTOTYPE - Protocol is of wrong type for this socket"},    
    {WSAENOPROTOOPT,     "WSAENOPROTOOPT - Protocol option not supported for this socket type"},   
    {WSAEPROTONOSUPPORT, "WSAEPROTONOSUPPORT - Protocol is not supported"}, 
    {WSAESOCKTNOSUPPORT, "WSAESOCKTNOSUPPORT - Socket type not supported by this address family"}, 
    {WSAEOPNOTSUPP,      "WSAEOPNOTSUPP - Option not supported"},    
    {WSAEPFNOSUPPORT,    "WSAEPFNOSUPPORT - "},  
    {WSAEAFNOSUPPORT,    "WSAEAFNOSUPPORT - Address family not supported by this protocol"}, 
    {WSAEADDRINUSE,      "WSAEADDRINUSE - Address is in use"},    
    {WSAEADDRNOTAVAIL,   "WSAEADDRNOTAVAIL - Address not available from local machine"}, 
    {WSAENETDOWN,        "WSAENETDOWN - Network subsystem is down"},      
    {WSAENETUNREACH,     "WSAENETUNREACH - Network cannot be reached"},   
    {WSAENETRESET,       "WSAENETRESET - Connection has been dropped"},     
    {WSAECONNABORTED,    "WSAECONNABORTED - "},  
    {WSAECONNRESET,      "WSAECONNRESET - "},    
    {WSAENOBUFS,         "WSAENOBUFS - No buffer space available"},       
    {WSAEISCONN,         "WSAEISCONN - Socket is already connected"},       
    {WSAENOTCONN,        "WSAENOTCONN - Socket is not connected"},      
    {WSAESHUTDOWN,       "WSAESHUTDOWN - Socket has been shut down"},     
    {WSAETOOMANYREFS,    "WSAETOOMANYREFS - "},  
    {WSAETIMEDOUT,       "WSAETIMEDOUT - Command timed out"},     
    {WSAECONNREFUSED,    "WSAECONNREFUSED - Connection refused"},  
    {WSAELOOP,           "WSAELOOP - "},         
    {WSAENAMETOOLONG,    "WSAENAMETOOLONG - "},  
    {WSAEHOSTDOWN,       "WSAEHOSTDOWN - "},     
    {WSAEHOSTUNREACH,    "WSAEHOSTUNREACH - "},  
    {WSAENOTEMPTY,       "WSAENOTEMPTY - "},     
    {WSAEPROCLIM,        "WSAEPROCLIM - "},      
    {WSAEUSERS,          "WSAEUSERS - "},        
    {WSAEDQUOT,          "WSAEDQUOT - "},        
    {WSAESTALE,          "WSAESTALE - "},        
    {WSAEREMOTE,         "WSAEREMOTE - "},       
                         
/* 
*    Extended Windows Sockets error constant definitions 
*/ 
 
    {WSASYSNOTREADY,     "WSASYSNOTREADY - Network subsystem not ready"},   
    {WSAVERNOTSUPPORTED, "WSAVERNOTSUPPORTED - Version not supported"}, 
    {WSANOTINITIALISED,  "WSANOTINITIALISED - WSAStartup() has not been successfully called"}, 
 
/* 
*    Other error constants. 
*/ 
  
    {WSAHOST_NOT_FOUND,  "WSAHOST_NOT_FOUND - Host not found"}, 
    {WSATRY_AGAIN,       "WSATRY_AGAIN - Host not found or SERVERFAIL"}, 
    {WSANO_RECOVERY,     "WSANO_RECOVERY - Non-recoverable error"}, 
    {WSANO_DATA,         "WSANO_DATA - (or WSANO_ADDRESS) - No data record of requested type"}, 
    {-1, NULL} 
};