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more wstr funcs

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This commit is contained in:
rjkiv
2025-09-01 14:10:25 -07:00
parent da17dd573d
commit f45dd85be3
3 changed files with 60 additions and 1 deletions
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47
dll/msvcrt.cpp
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@@ -1,5 +1,6 @@
#include "common.h"
#include <clocale>
#include <cstdint>
#include <cstdlib>
#include <cwchar>
#include <cwctype>
@@ -117,6 +118,10 @@ namespace msvcrt {
return 0;
}
char* WIN_ENTRY getenv(const char *varname){
return std::getenv(varname);
}
char* WIN_ENTRY setlocale(int category, const char *locale){
return std::setlocale(category, locale);
}
@@ -151,6 +156,34 @@ namespace msvcrt {
return 0;
}
int WIN_ENTRY _wgetenv_s(size_t* pReturnValue, uint16_t* buffer, size_t numberOfElements, const uint16_t* varname){
std::string var_str = wideStringToString(varname);
DEBUG_LOG("_wgetenv_s: var name %s\n", var_str.c_str());
if(!buffer || !varname) return 22;
size_t varnamelen = wstrlen(varname);
for(uint16_t** env = __winitenv; env && *env; ++env){
uint16_t* cur = *env;
std::string cur_str = wideStringToString(cur);
if(wstrncmp(cur, varname, varnamelen) == 0 && cur[varnamelen] == L'='){
uint16_t* value = cur + varnamelen + 1;
size_t value_len = wstrlen(value);
size_t copy_len = (value_len < numberOfElements - 1) ? value_len : numberOfElements - 1;
wstrncpy(buffer, value, copy_len);
buffer[copy_len] = 0;
if(pReturnValue) *pReturnValue = value_len + 1;
return 0;
}
}
buffer[0] = 0;
if(pReturnValue) *pReturnValue = 0;
return 0;
}
void* WIN_ENTRY malloc(size_t size){
return std::malloc(size);
}
@@ -371,10 +404,18 @@ namespace msvcrt {
return wstrstr(dest, src);
}
int WIN_ENTRY iswspace(wint_t w){
int WIN_ENTRY iswspace(uint32_t w){
return std::iswspace(w);
}
int WIN_ENTRY iswdigit(uint32_t w){
return std::iswdigit(w);
}
const uint16_t* WIN_ENTRY wcschr(const uint16_t* str, uint16_t c){
return wstrchr(str, c);
}
const uint16_t* WIN_ENTRY wcsrchr(const uint16_t *str, uint16_t c){
return wstrrchr(str, c);
}
@@ -421,6 +462,10 @@ static void *resolveByName(const char *name) {
if (strcmp(name, "iswspace") == 0) return (void*)msvcrt::iswspace;
if (strcmp(name, "wcsrchr") == 0) return (void*)msvcrt::wcsrchr;
if (strcmp(name, "wcstoul") == 0) return (void*)msvcrt::wcstoul;
if (strcmp(name, "iswdigit") == 0) return (void*)msvcrt::iswdigit;
if (strcmp(name, "wcschr") == 0) return (void*)msvcrt::wcschr;
if (strcmp(name, "getenv") == 0) return (void*)msvcrt::getenv;
if (strcmp(name, "_wgetenv_s") == 0) return (void*)msvcrt::_wgetenv_s;
return nullptr;
}