source: kBuild/trunk/src/gmake/w32/subproc/w32err.c@ 53

#include <windows.h>
#include "w32err.h"

/*
 * Description: the windows32 version of perror()
 *
 * Returns:  a pointer to a static error
 *
 * Notes/Dependencies:  I got this from 
 *      comp.os.ms-windows.programmer.win32
 */
char * 
map_windows32_error_to_string (DWORD ercode) {
/* __declspec (thread) necessary if you will use multiple threads */
__declspec (thread) static char szMessageBuffer[128];
 
        /* Fill message buffer with a default message in 
         * case FormatMessage fails 
         */
    wsprintf (szMessageBuffer, "Error %ld", ercode);

        /*
         *  Special code for winsock error handling.
         */
        if (ercode > WSABASEERR) {
                HMODULE hModule = GetModuleHandle("wsock32");
                if (hModule != NULL) {
                        FormatMessage(FORMAT_MESSAGE_FROM_HMODULE,
                                hModule,
                                ercode,
                                LANG_NEUTRAL,
                                szMessageBuffer,
                                sizeof(szMessageBuffer),
                                NULL);
                        FreeLibrary(hModule);
                } 
        } else {
                /*
                 *  Default system message handling
                 */
        FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
                  NULL,
                  ercode,
                  LANG_NEUTRAL,
                  szMessageBuffer,
                  sizeof(szMessageBuffer),
                  NULL);
        }
    return szMessageBuffer;
}