mirror of
https://github.com/decompals/wibo.git
synced 2025-10-16 07:05:11 +00:00
487 lines
15 KiB
C++
487 lines
15 KiB
C++
#include "common.h"
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#include <clocale>
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#include <cstdint>
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#include <cstdlib>
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#include <cwchar>
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#include <cwctype>
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#include <stdlib.h>
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#include <string>
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#include "strutil.h"
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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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uint16_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, uint16_t*** wargv, uint16_t*** wenv, int doWildcard, int* startInfo){
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DEBUG_LOG("__wgetmainargs\n");
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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 uint16_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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std::vector<uint16_t> wStr = stringToWideString(cur_arg);
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(*wargv)[i] = wStr.data();
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}
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(*wargv)[argc] = nullptr;
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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 uint16_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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DEBUG_LOG("Adding env %s\n", cur_env);
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std::vector<uint16_t> wStr = stringToWideString(cur_env);
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(*wenv)[i] = wStr.data();
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}
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(*wenv)[count] = nullptr;
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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 getenv(const char *varname){
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return std::getenv(varname);
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}
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char* WIN_ENTRY setlocale(int category, const char *locale){
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return std::setlocale(category, locale);
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}
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int WIN_ENTRY _wdupenv_s(uint16_t **buffer, size_t *numberOfElements, const uint16_t *varname){
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std::string var_str = wideStringToString(varname);
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DEBUG_LOG("_wdupenv_s: var name %s\n", var_str.c_str());
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if(!buffer || !varname) return 22;
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*buffer = nullptr;
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if(numberOfElements) *numberOfElements = 0;
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size_t varnamelen = wstrlen(varname);
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for(uint16_t** env = __winitenv; env && *env; ++env){
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uint16_t* cur = *env;
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std::string cur_str = wideStringToString(cur);
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if(wstrncmp(cur, varname, varnamelen) == 0 && cur[varnamelen] == L'='){
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uint16_t* value = cur + varnamelen + 1;
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size_t value_len = wstrlen(value);
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uint16_t* copy = (uint16_t*)malloc((value_len + 1) * sizeof(uint16_t));
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if(!copy) return 12;
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wstrncpy(copy, value, value_len + 1);
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*buffer = copy;
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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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int WIN_ENTRY _wgetenv_s(size_t* pReturnValue, uint16_t* buffer, size_t numberOfElements, const uint16_t* varname){
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std::string var_str = wideStringToString(varname);
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DEBUG_LOG("_wgetenv_s: var name %s\n", var_str.c_str());
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if(!buffer || !varname) return 22;
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size_t varnamelen = wstrlen(varname);
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for(uint16_t** env = __winitenv; env && *env; ++env){
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uint16_t* cur = *env;
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std::string cur_str = wideStringToString(cur);
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if(wstrncmp(cur, varname, varnamelen) == 0 && cur[varnamelen] == L'='){
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uint16_t* value = cur + varnamelen + 1;
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size_t value_len = wstrlen(value);
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size_t copy_len = (value_len < numberOfElements - 1) ? value_len : numberOfElements - 1;
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wstrncpy(buffer, value, copy_len);
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buffer[copy_len] = 0;
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if(pReturnValue) *pReturnValue = value_len + 1;
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return 0;
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}
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}
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buffer[0] = 0;
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if(pReturnValue) *pReturnValue = 0;
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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(uint16_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 uint16_t * path, uint16_t * drive, size_t driveNumberOfElements, uint16_t *dir, size_t dirNumberOfElements,
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uint16_t * fname, size_t nameNumberOfElements, uint16_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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else {
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std::string path_str = wideStringToString(path);
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DEBUG_LOG("path: %s\n", path_str.c_str());
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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 uint16_t *slash = wstrrchr(path, L'/');
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const uint16_t *dot = wstrrchr(path, L'.');
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const uint16_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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wstrncpy(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) : wstrlen(filename_start);
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if (fname_len >= nameNumberOfElements) return -1;
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wstrncpy(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 = wstrlen(dot);
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if (ext_len >= extNumberOfElements) return -1;
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wstrncpy(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(uint16_t *strDestination, size_t numberOfElements, const uint16_t *strSource){
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std::string dst_str = wideStringToString(strDestination);
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std::string src_str = wideStringToString(strSource);
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DEBUG_LOG("wcscat_s %s %d %s", dst_str.c_str(), numberOfElements, src_str.c_str());
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if(!strDestination || !strSource || numberOfElements == 0) return 22;
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size_t dest_len = wstrlen(strDestination);
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size_t src_len = wstrlen(strSource);
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if(dest_len + src_len + 1 > numberOfElements){
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if(strDestination && numberOfElements > 0) strDestination[0] = L'\0';
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return 34;
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}
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wstrcat(strDestination, strSource);
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dst_str = wideStringToString(strDestination);
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DEBUG_LOG(" --> %s\n", dst_str.c_str());
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return 0;
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}
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uint16_t* WIN_ENTRY _wcsdup(const uint16_t *strSource){
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std::string src_str = wideStringToString(strSource);
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DEBUG_LOG("_wcsdup: %s", src_str.c_str());
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if(!strSource) return nullptr;
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size_t strLen = wstrlen(strSource);
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uint16_t* dup = (uint16_t*)malloc((strLen + 1) * sizeof(uint16_t));
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if(!dup) return nullptr;
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for(size_t i = 0; i <= strLen; i++){
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dup[i] = strSource[i];
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}
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std::string dst_str = wideStringToString(dup);
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DEBUG_LOG(" --> %s\n", dst_str.c_str());
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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(uint16_t *strDest, size_t numberOfElements, const uint16_t *strSource, size_t count){
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std::string src_str = wideStringToString(strSource);
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DEBUG_LOG("wcsncpy_s dest size %d, src str %s, src size %d", numberOfElements, src_str.c_str(), count);
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if(!strDest || !strSource || numberOfElements == 0){
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if(strDest && numberOfElements > 0) strDest[0] = L'\0';
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return 1;
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}
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if(count == (size_t)-1) count = wstrlen(strSource);
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if(count >= numberOfElements){
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strDest[0] = L'\0';
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return 1;
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}
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wstrncpy(strDest, strSource, count);
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strDest[count] = L'\0';
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std::string dst_str = wideStringToString(strDest);
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DEBUG_LOG(" --> %s\n", dst_str.c_str());
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return 0;
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}
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int WIN_ENTRY wcsncat_s(uint16_t *strDest, size_t numberOfElements, const uint16_t *strSource, size_t count){
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std::string dst_str = wideStringToString(strDest);
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std::string src_str = wideStringToString(strSource);
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DEBUG_LOG("wscncat_s dest str %s, dest size %d, src str %s, src size %d", dst_str.c_str(), numberOfElements, src_str.c_str(), count);
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if(!strDest || !strSource || numberOfElements == 0){
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if(strDest && numberOfElements > 0) strDest[0] = L'\0';
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return 1;
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}
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size_t dest_len = wstrlen(strDest);
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size_t src_len = (count == (size_t)-1) ? wstrlen(strSource) : wstrnlen(strSource, count);
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if(dest_len + src_len + 1 > numberOfElements){
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strDest[0] = L'\0';
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return 1;
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}
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wstrncat(strDest, strSource, src_len);
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dst_str = wideStringToString(strDest);
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DEBUG_LOG(" --> %s\n", dst_str.c_str());
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return 0;
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}
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int WIN_ENTRY _itow_s(int value, uint16_t *buffer, size_t size, int radix){
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DEBUG_LOG("_itow_s value %d, size %d, radix %d\n", value, size, radix);
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if (!buffer || size == 0) return -1;
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assert(radix == 10); // only base 10 supported for now
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std::string str = std::to_string(value);
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std::vector<uint16_t> wstr = stringToWideString(str.c_str());
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wstrcpy(buffer, wstr.data());
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return 0;
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}
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int WIN_ENTRY _wtoi(const uint16_t* str) {
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DEBUG_LOG("_wtoi\n");
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return wstrtol(str, nullptr, 10);
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}
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int WIN_ENTRY wcscpy_s(uint16_t *dest, size_t dest_size, const uint16_t *src){
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std::string src_str = wideStringToString(src);
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DEBUG_LOG("wcscpy_s %s\n", src_str.c_str());
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if (!dest || !src || dest_size == 0) {
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return -1;
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}
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size_t src_len = 0;
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while (src[src_len] != 0) src_len++;
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if (src_len + 1 > dest_size) {
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dest[0] = 0;
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return -1;
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}
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wstrcpy(dest, src);
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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 uint16_t *string1, const uint16_t *string2, size_t count){
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return wstrncmp(string1, string2, count);
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}
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int WIN_ENTRY _vswprintf_c_l(uint16_t* buffer, size_t size, const uint16_t* format, va_list args) {
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if (!buffer || !format || size == 0)
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return -1;
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DEBUG_LOG("STUB: _vswprintf_c_l\n");
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return 0;
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// return vswprintf(buffer, size, format, args); this doesn't work because on this architecture, wchar_t is size 4, instead of size 2
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}
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const uint16_t* WIN_ENTRY wcsstr( const uint16_t *dest, const uint16_t *src ){
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return wstrstr(dest, src);
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}
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int WIN_ENTRY iswspace(uint32_t w){
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return std::iswspace(w);
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}
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int WIN_ENTRY iswdigit(uint32_t w){
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return std::iswdigit(w);
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}
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const uint16_t* WIN_ENTRY wcschr(const uint16_t* str, uint16_t c){
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return wstrchr(str, c);
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}
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const uint16_t* WIN_ENTRY wcsrchr(const uint16_t *str, uint16_t c){
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return wstrrchr(str, c);
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}
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unsigned long WIN_ENTRY wcstoul(const uint16_t *strSource, uint16_t **endptr, int base){
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return wstrtoul(strSource, endptr, base);
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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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if (strcmp(name, "wcsstr") == 0) return (void*)msvcrt::wcsstr;
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if (strcmp(name, "iswspace") == 0) return (void*)msvcrt::iswspace;
|
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if (strcmp(name, "wcsrchr") == 0) return (void*)msvcrt::wcsrchr;
|
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if (strcmp(name, "wcstoul") == 0) return (void*)msvcrt::wcstoul;
|
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if (strcmp(name, "iswdigit") == 0) return (void*)msvcrt::iswdigit;
|
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if (strcmp(name, "wcschr") == 0) return (void*)msvcrt::wcschr;
|
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if (strcmp(name, "getenv") == 0) return (void*)msvcrt::getenv;
|
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if (strcmp(name, "_wgetenv_s") == 0) return (void*)msvcrt::_wgetenv_s;
|
|
return nullptr;
|
|
}
|
|
|
|
wibo::Module lib_msvcrt = {
|
|
(const char *[]){
|
|
"msvcrt",
|
|
"msvcrt.dll",
|
|
"msvcrt40",
|
|
"msvcrt40.dll",
|
|
"msvcr70",
|
|
"msvcr70.dll",
|
|
"msvcr100",
|
|
"msvcr100.dll",
|
|
nullptr,
|
|
},
|
|
resolveByName,
|
|
nullptr,
|
|
};
|