/*
 * msvcp100 specific functions
 *
 * Copyright 2011 Austin English
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "config.h"

#include <stdarg.h>

#include "msvcp.h"

#include "windef.h"
#include "winbase.h"
#include "wine/debug.h"

WINE_DEFAULT_DEBUG_CHANNEL(msvcp);

#ifdef __i386__

#define DEFINE_VTBL_WRAPPER(off)            \
    __ASM_GLOBAL_FUNC(vtbl_wrapper_ ## off, \
        "popl %eax\n\t"                     \
        "popl %ecx\n\t"                     \
        "pushl %eax\n\t"                    \
        "movl 0(%ecx), %eax\n\t"            \
        "jmp *" #off "(%eax)\n\t")

DEFINE_VTBL_WRAPPER(0);
DEFINE_VTBL_WRAPPER(4);
DEFINE_VTBL_WRAPPER(8);
DEFINE_VTBL_WRAPPER(12);
DEFINE_VTBL_WRAPPER(16);
DEFINE_VTBL_WRAPPER(20);
DEFINE_VTBL_WRAPPER(24);
DEFINE_VTBL_WRAPPER(28);
DEFINE_VTBL_WRAPPER(32);
DEFINE_VTBL_WRAPPER(36);
DEFINE_VTBL_WRAPPER(40);
DEFINE_VTBL_WRAPPER(44);
DEFINE_VTBL_WRAPPER(48);
DEFINE_VTBL_WRAPPER(52);
DEFINE_VTBL_WRAPPER(56);

#endif

void* (__cdecl *MSVCRT_operator_new)(MSVCP_size_t);
void (__cdecl *MSVCRT_operator_delete)(void*);
void* (__cdecl *MSVCRT_set_new_handler)(void*);

static void init_cxx_funcs(void)
{
    HMODULE hmod = GetModuleHandleA("msvcrt.dll");

    if (sizeof(void *) > sizeof(int))  /* 64-bit has different names */
    {
        MSVCRT_operator_new = (void*)GetProcAddress(hmod, "??2@YAPEAX_K@Z");
        MSVCRT_operator_delete = (void*)GetProcAddress(hmod, "??3@YAXPEAX@Z");
        MSVCRT_set_new_handler = (void*)GetProcAddress(hmod, "?_set_new_handler@@YAP6AH_K@ZP6AH0@Z@Z");
    }
    else
    {
        MSVCRT_operator_new = (void*)GetProcAddress(hmod, "??2@YAPAXI@Z");
        MSVCRT_operator_delete = (void*)GetProcAddress(hmod, "??3@YAXPAX@Z");
        MSVCRT_set_new_handler = (void*)GetProcAddress(hmod, "?_set_new_handler@@YAP6AHI@ZP6AHI@Z@Z");
    }
}

/* _Container_base0 is used by apps compiled without iterator checking
 * (i.e. with _ITERATOR_DEBUG_LEVEL=0 ).
 * It provides empty versions of methods used by visual c++'s stl's
 * iterator checking.
 * msvcr100 has to provide them in case apps are compiled with /Od
 * or the optimizer fails to inline those (empty) calls.
 */

/* ?_Orphan_all@_Container_base0@std@@QAEXXZ */
/* ?_Orphan_all@_Container_base0@std@@QEAAXXZ */
DEFINE_THISCALL_WRAPPER(Container_base0_Orphan_all, 4)
void __thiscall Container_base0_Orphan_all(void *this)
{
}

/* ?_Swap_all@_Container_base0@std@@QAEXAAU12@@Z */
/* ?_Swap_all@_Container_base0@std@@QEAAXAEAU12@@Z */
DEFINE_THISCALL_WRAPPER(Container_base0_Swap_all, 8)
void __thiscall Container_base0_Swap_all(void *this, void *that)
{
}

BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
    TRACE("(0x%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);

    switch (fdwReason)
    {
        case DLL_WINE_PREATTACH:
            return FALSE;  /* prefer native version */
        case DLL_PROCESS_ATTACH:
            init_cxx_funcs();
            init_lockit();
            init_io();
            break;
        case DLL_PROCESS_DETACH:
            free_io();
            free_locale();
            free_lockit();
            break;
    }

    return TRUE;
}

/* ?_BADOFF@std@@3JB -> long const std::_BADOFF */
/* ?_BADOFF@std@@3_JB -> __int64 const std::_BADOFF */
const streamoff std_BADOFF = -1;