gai_strerror Shim for Luasocket static lib (compiled with MinGW)

gai_strerror_shim.c

/*
  Specify the following options for the linker:
  -Wl,--enable-stdcall-fixup
*/

#include "ws2tcpip.h"

char *
gai_strerrorA(
    _In_ int ecode)
{
    DWORD dwMsgLen;
    static char buff[GAI_STRERROR_BUFFER_SIZE + 1];

    dwMsgLen = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM
                             |FORMAT_MESSAGE_IGNORE_INSERTS
                             |FORMAT_MESSAGE_MAX_WIDTH_MASK,
                              NULL,
                              ecode,
                              MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
                              (LPSTR)buff,
                              GAI_STRERROR_BUFFER_SIZE,
                              NULL);

    return buff;
}


WCHAR *
gai_strerrorW(
    _In_ int ecode
    )
{
    DWORD dwMsgLen;
    static WCHAR buff[GAI_STRERROR_BUFFER_SIZE + 1];

    dwMsgLen = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM
                             |FORMAT_MESSAGE_IGNORE_INSERTS
                             |FORMAT_MESSAGE_MAX_WIDTH_MASK,
                              NULL,
                              ecode,
                              MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
                              (LPWSTR)buff,
                              GAI_STRERROR_BUFFER_SIZE,
                              NULL);

    return buff;
}