mirror of
https://github.com/decompals/wibo.git
synced 2025-10-16 07:05:11 +00:00
402 lines
12 KiB
C++
402 lines
12 KiB
C++
#include "common.h"
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#include <cstdlib>
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#include <cwchar>
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#include <stdlib.h>
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#include <string>
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typedef void (*_PVFV)();
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typedef int (*_PIFV)();
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namespace msvcrt {
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int _commode;
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int _fmode;
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wchar_t** __winitenv;
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// Stub because we're only ever a console application
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void WIN_ENTRY __set_app_type(int at) {
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}
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int* WIN_FUNC __p__fmode() {
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return &_fmode;
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}
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int* WIN_FUNC __p__commode() {
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return &_commode;
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}
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void WIN_ENTRY _initterm(const _PVFV *ppfn, const _PVFV* end) {
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for (; ppfn < end; ppfn++) {
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_PVFV func = *ppfn;
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if (func) {
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func();
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}
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}
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}
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int WIN_ENTRY _initterm_e(const _PIFV *ppfn, const _PIFV *end) {
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for (; ppfn < end; ppfn++) {
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_PIFV func = *ppfn;
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if (func) {
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int err = func();
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if (err != 0)
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return err;
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}
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}
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return 0;
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}
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int WIN_ENTRY _controlfp_s(unsigned int *currentControl, unsigned int newControl, unsigned int mask) {
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DEBUG_LOG("STUB: _controlfp_s(%p, %u, %u)\n", currentControl, newControl, mask);
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return 0;
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}
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_PIFV WIN_ENTRY _onexit(_PIFV func) {
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DEBUG_LOG("STUB: _onexit(%p)\n", func);
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return func;
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}
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// wgetmainargs references:
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// https://github.com/reactos/reactos/blob/fade0c3b8977d43f3a9e0b8887d18afcabd8e145/sdk/lib/crt/misc/getargs.c#L328
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// https://learn.microsoft.com/en-us/cpp/c-runtime-library/getmainargs-wgetmainargs?view=msvc-170
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int WIN_ENTRY __wgetmainargs(int* wargc, wchar_t*** wargv, wchar_t*** wenv, int doWildcard, int* startInfo){
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// get the regular, non-wide versions of argc/argv/env
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// argc: the number of args in argv. always >= 1
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// argv: array of null-terminated strings for command-line args.
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// argv[0] = the command to invoke the program
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// argv[1] = the first command-line arg
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// argv[argc - 1] = the last command-line arg
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// argv[argc] = NULL
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// env: array of strings for user's environment variables. always terminated by NULL entry.
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int* regular_argc = &wibo::argc;
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char*** regular_argv = &wibo::argv;
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char** regular_env = environ;
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int argc = *regular_argc;
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char** argv = *regular_argv;
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char** env = regular_env;
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DEBUG_LOG("Wildcard: %d\n", doWildcard);
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if(startInfo){
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DEBUG_LOG("Start info: %d\n", *startInfo);
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}
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if(wargc) *wargc = argc;
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std::setlocale(LC_CTYPE, "");
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if(wargv){
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*wargv = new wchar_t*[argc + 1]; // allocate array of our future wstrings
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for(int i = 0; i < argc; i++){
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const char* cur_arg = argv[i];
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size_t wSize = std::mbstowcs(nullptr, cur_arg, 0);
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if(wSize != (size_t)-1){
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wSize++; // for null terminator
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wchar_t* wStr = new wchar_t[wSize];
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std::mbstowcs(wStr, cur_arg, wSize);
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(*wargv)[i] = wStr;
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}
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else {
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DEBUG_LOG("Bad argv[%d]: %s\n", i, cur_arg);
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return -1;
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}
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}
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(*wargv)[argc] = nullptr;
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// sanity check
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// for (int i = 0; i < argc; i++) {
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// wchar_t* warg = (*wargv)[i];
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// size_t len = std::wcstombs(nullptr, warg, 0);
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// if (len != (size_t)-1) {
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// char* converted = new char[len + 1];
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// std::wcstombs(converted, warg, len + 1);
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// DEBUG_LOG("Input argv[%d]: %s\n", i, argv[i]);
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// DEBUG_LOG("Output wargv[%d]: %s\n", i, converted);
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// delete[] converted;
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// } else {
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// DEBUG_LOG("Bad wide arg conversion for %d!\n", i);
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// }
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// }
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}
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if(wenv){
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int count = 0;
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for(; env[count] != nullptr; count++);
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DEBUG_LOG("Found env count %d\n", count);
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*wenv = new wchar_t*[count + 1]; // allocate array of our future wstrings
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for(int i = 0; i < count; i++){
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const char* cur_env = env[i];
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size_t wSize = std::mbstowcs(nullptr, cur_env, 0);
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if(wSize != (size_t)-1){
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wSize++; // for null terminator
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wchar_t* wStr = new wchar_t[wSize];
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std::mbstowcs(wStr, cur_env, wSize);
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(*wenv)[i] = wStr;
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}
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else {
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DEBUG_LOG("Bad env[%d]: %s\n", i, cur_env);
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return -1;
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}
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}
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(*wenv)[count] = nullptr;
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// sanity check
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// for (int i = 0; i < count; i++) {
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// wchar_t* warg = (*wenv)[i];
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// size_t len = std::wcstombs(nullptr, warg, 0);
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// if (len != (size_t)-1) {
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// char* converted = new char[len + 1];
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// std::wcstombs(converted, warg, len + 1);
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// DEBUG_LOG("Input env[%d]: %s\n", i, env[i]);
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// DEBUG_LOG("Output wenv[%d]: %s\n", i, converted);
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// delete[] converted;
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// } else {
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// DEBUG_LOG("Bad wide arg conversion for %d!\n", i);
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// }
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// }
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__winitenv = *wenv;
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}
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return 0;
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}
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char WIN_ENTRY *setlocale(int category, const char *locale){
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DEBUG_LOG("STUB: setlocale(%d, %s)\n", category, locale);
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return (char*)"C";
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}
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int WIN_ENTRY _wdupenv_s(wchar_t **buffer, size_t *numberOfElements, const wchar_t *varname){
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if(!buffer || !varname) return -1;
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if(numberOfElements) *numberOfElements = 0;
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size_t varnamelen = wcslen(varname);
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for(wchar_t** env = __winitenv; env && *env; ++env){
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wchar_t* cur = *env;
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if(wcsncmp(cur, varname, varnamelen) == 0 && cur[varnamelen] == L'='){
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wchar_t* value = cur + varnamelen + 1;
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size_t value_len = wcslen(value);
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*buffer = (wchar_t*)malloc((value_len + 1) * sizeof(wchar_t));
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if(!*buffer) return -1;
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for(int i = 0; i <= value_len; i++){
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(*buffer)[i] = value[i];
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}
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// wscspy(*buffer, value); // y u no work
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if(numberOfElements) *numberOfElements = value_len + 1;
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return 0;
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}
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}
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return 0;
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}
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void* WIN_ENTRY malloc(size_t size){
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return std::malloc(size);
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}
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void WIN_ENTRY free(void* ptr){
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std::free(ptr);
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}
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int WIN_ENTRY _get_wpgmptr(wchar_t** pValue){
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DEBUG_LOG("STUB: _get_wpgmptr(%p)\n", pValue);
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return 0;
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}
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int WIN_ENTRY _wsplitpath_s(const wchar_t * path, wchar_t * drive, size_t driveNumberOfElements, wchar_t *dir, size_t dirNumberOfElements,
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wchar_t * fname, size_t nameNumberOfElements, wchar_t * ext, size_t extNumberOfElements){
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if(!path){
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DEBUG_LOG("no path\n");
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return -1;
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}
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{
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size_t wlen = std::wcstombs(nullptr, path, 0);
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if(wlen != (size_t)-1){
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char* converted = new char[wlen + 1];
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std::wcstombs(converted, path, wlen + 1);
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DEBUG_LOG("Path: %s\n", converted);
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delete [] converted;
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}
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else {
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DEBUG_LOG("Bad wide arg conversion for path!\n");
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}
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}
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if(drive && driveNumberOfElements) drive[0] = L'\0';
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if(dir && dirNumberOfElements) dir[0] = L'\0';
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if(fname && nameNumberOfElements) fname[0] = L'\0';
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if(ext && extNumberOfElements) ext[0] = L'\0';
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const wchar_t *slash = wcsrchr(path, L'/');
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const wchar_t *dot = wcsrchr(path, L'.');
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const wchar_t *filename_start = slash ? slash + 1 : path;
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if (dot && dot < filename_start) dot = nullptr;
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if (dir && dirNumberOfElements && slash) {
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size_t dir_len = slash - path + 1;
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if (dir_len >= dirNumberOfElements) return -1;
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wcsncpy(dir, path, dir_len);
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dir[dir_len] = L'\0';
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}
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if (fname && nameNumberOfElements) {
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size_t fname_len = dot ? (size_t)(dot - filename_start) : wcslen(filename_start);
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if (fname_len >= nameNumberOfElements) return -1;
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wcsncpy(fname, filename_start, fname_len);
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fname[fname_len] = L'\0';
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}
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if (ext && extNumberOfElements && dot) {
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size_t ext_len = wcslen(dot);
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if (ext_len >= extNumberOfElements) return -1;
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wcsncpy(ext, dot, ext_len);
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ext[ext_len] = L'\0';
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}
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if (drive && driveNumberOfElements && path[1] == L':' && path[2] == L'/') {
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if (driveNumberOfElements < 3) return -1;
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drive[0] = path[0];
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drive[1] = L':';
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drive[2] = L'\0';
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}
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return 0;
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}
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int WIN_ENTRY wcscat_s(wchar_t *strDestination, size_t numberOfElements, const wchar_t *strSource){
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if(!strDestination || !strSource || numberOfElements == 0) return -1;
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size_t dest_len = wcslen(strDestination);
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size_t src_len = wcslen(strSource);
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if(dest_len + src_len >= numberOfElements) return -1;
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for(int i = 0; i <= src_len; i++){
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strDestination[dest_len + i] = strSource[i];
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}
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return 0;
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}
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wchar_t* WIN_ENTRY _wcsdup(const wchar_t *strSource){
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if(!strSource) return nullptr;
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size_t strLen = wcslen(strSource);
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wchar_t* dup = (wchar_t*)malloc((strLen + 1) * sizeof(wchar_t));
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for(int i = 0; i <= strLen; i++){
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dup[i] = strSource[i];
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}
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return dup;
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}
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void* WIN_ENTRY memset(void *s, int c, size_t n){
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return std::memset(s, c, n);
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}
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int WIN_ENTRY wcsncpy_s(wchar_t *strDest, size_t numberOfElements, const wchar_t *strSource, size_t count){
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DEBUG_LOG("STUB: wcsncpy_s\n");
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return 0;
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}
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int WIN_ENTRY wcsncat_s(wchar_t *strDest, size_t numberOfElements, const wchar_t *strSource, size_t count){
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DEBUG_LOG("STUB: wscncat_s\n");
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return 0;
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}
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int WIN_ENTRY _itow_s(int value, wchar_t *buffer, size_t size, int radix){
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DEBUG_LOG("STUB: _itow_s\n");
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return 0;
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}
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int WIN_ENTRY _wtoi(const wchar_t* str) {
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return (int)wcstol(str, nullptr, 10);
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}
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int WIN_ENTRY wcscpy_s(wchar_t *dest, size_t dest_size, const wchar_t *src){
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DEBUG_LOG("STUB: wcscpy_s\n");
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return 0;
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}
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int* WIN_ENTRY _get_osfhandle(int fd){
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DEBUG_LOG("STUB: _get_osfhandle %d\n", fd);
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return (int*)fd;
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}
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int WIN_ENTRY _write(int fd, const void* buffer, unsigned int count) {
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return (int)write(fd, buffer, count);
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}
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void WIN_ENTRY exit(int status){
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_Exit(status);
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}
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int WIN_ENTRY wcsncmp(const wchar_t *string1, const wchar_t *string2, size_t count){
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return std::wcsncmp(string1, string2, count);
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}
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int WIN_ENTRY _vswprintf_c_l(wchar_t* buffer, size_t size, const wchar_t* format, va_list args) {
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if (!buffer || !format || size == 0)
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return -1;
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return vswprintf(buffer, size, format, args);
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}
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}
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static void *resolveByName(const char *name) {
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if (strcmp(name, "__set_app_type") == 0) return (void *) msvcrt::__set_app_type;
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if (strcmp(name, "_fmode") == 0) return (void *)&msvcrt::_fmode;
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if (strcmp(name, "_commode") == 0) return (void *)&msvcrt::_commode;
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if (strcmp(name, "__winitenv") == 0) return (void *)&msvcrt::__winitenv;
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if (strcmp(name, "__p__fmode") == 0) return (void *) msvcrt::__p__fmode;
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if (strcmp(name, "__p__commode") == 0) return (void *) msvcrt::__p__commode;
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if (strcmp(name, "_initterm") == 0) return (void *)msvcrt::_initterm;
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if (strcmp(name, "_initterm_e") == 0) return (void *)msvcrt::_initterm_e;
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if (strcmp(name, "_controlfp_s") == 0) return (void *)msvcrt::_controlfp_s;
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if (strcmp(name, "_onexit") == 0) return (void*)msvcrt::_onexit;
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if (strcmp(name, "__wgetmainargs") == 0) return (void*)msvcrt::__wgetmainargs;
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if (strcmp(name, "setlocale") == 0) return (void*)msvcrt::setlocale;
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if (strcmp(name, "_wdupenv_s") == 0) return (void*)msvcrt::_wdupenv_s;
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if (strcmp(name, "malloc") == 0) return (void*)msvcrt::malloc;
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if (strcmp(name, "free") == 0) return (void*)msvcrt::free;
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if (strcmp(name, "_get_wpgmptr") == 0) return (void*)msvcrt::_get_wpgmptr;
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if (strcmp(name, "_wsplitpath_s") == 0) return (void*)msvcrt::_wsplitpath_s;
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if (strcmp(name, "wcscat_s") == 0) return (void*)msvcrt::wcscat_s;
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if (strcmp(name, "_wcsdup") == 0) return (void*)msvcrt::_wcsdup;
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if (strcmp(name, "memset") == 0) return (void*)msvcrt::memset;
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if (strcmp(name, "wcsncpy_s") == 0) return (void*)msvcrt::wcsncpy_s;
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if (strcmp(name, "wcsncat_s") == 0) return (void*)msvcrt::wcsncat_s;
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if (strcmp(name, "_itow_s") == 0) return (void*)msvcrt::_itow_s;
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if (strcmp(name, "_wtoi") == 0) return (void*)msvcrt::_wtoi;
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if (strcmp(name, "wcscpy_s") == 0) return (void*)msvcrt::wcscpy_s;
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if (strcmp(name, "_get_osfhandle") == 0) return (void*)msvcrt::_get_osfhandle;
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if (strcmp(name, "_write") == 0) return (void*)msvcrt::_write;
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if (strcmp(name, "exit") == 0) return (void*)msvcrt::exit;
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if (strcmp(name, "wcsncmp") == 0) return (void*)msvcrt::wcsncmp;
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if (strcmp(name, "_vswprintf_c_l") == 0) return (void*)msvcrt::_vswprintf_c_l;
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return nullptr;
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}
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wibo::Module lib_msvcrt = {
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(const char *[]){
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"msvcrt",
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"msvcrt.dll",
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"msvcrt40",
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"msvcrt40.dll",
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"msvcr70",
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"msvcr70.dll",
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"msvcr100",
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"msvcr100.dll",
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nullptr,
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},
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resolveByName,
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nullptr,
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};
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