GETERROR.C

/****************************************************************************\ 
*  geterror.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 <stdio.h> 
#include "externs.h" 
 
#define WSAERRGAP1 28 
#define WSAERRGAP2 19 
  
extern ERROR_STRUCT errlist[]; 
 
/**************************************************************************** 
* 
*    FUNCTION:  get_error_text( int error ) 
* 
*    PURPOSE:   Gets the text string explaining the error number passed in. 
*       If the error number is 0, or is not found, a respective 
*message is returned. 
* 
*    ARGUMENTS:interror number to look up 
*                 
* RETURNS:   LPCSTR=> char string having error message 
* 
*\***************************************************************************/ 
LPCSTR get_error_text(int error) 
{ 
    int search = 0; 
 
 
    /* 
    *   No error 
    */ 
 
    if (!error) 
        return (LPCSTR)msg_no_error; 
 
    /*  
    *   Search through our array of error number / string pairs 
    *   until we find a matching error number or get to the end 
    *   of our list.  If we found a matching error number,  
    *   return a LPSTR to the corresponding string. 
    */ 
 
    while (errlist[search].errstr) { 
        if (error == errlist[search].errnum) 
            return errlist[search].errstr; 
        search++; 
    } 
 
    /* 
    * If we didn't have the error in our list, return unkown  
    */ 
 
    return (LPCSTR)msg_unknown_error; 
}