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sanity checks

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This commit is contained in:
rjkiv 2025-08-02 17:23:02 -07:00
parent 50adcae3dd
commit 98b45be485
1 changed files with 32 additions and 1 deletions
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33
dll/msvcrt.cpp
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@ -2,6 +2,7 @@
#include <cstdlib>
#include <cwchar>
#include <stdlib.h>
#include <string>
typedef void (*_PVFV)();
typedef int (*_PIFV)();
@ -81,7 +82,7 @@ namespace msvcrt {
if(wargc) *wargc = argc;
std::setlocale(LC_ALL, "");
std::setlocale(LC_CTYPE, "");
if(wargv){
*wargv = new wchar_t*[argc + 1]; // allocate array of our future wstrings
@ -100,6 +101,21 @@ namespace msvcrt {
}
}
(*wargv)[argc] = nullptr;
// sanity check
for (int i = 0; i < argc; i++) {
wchar_t* warg = (*wargv)[i];
size_t len = std::wcstombs(nullptr, warg, 0);
if (len != (size_t)-1) {
char* converted = new char[len + 1];
std::wcstombs(converted, warg, len + 1);
DEBUG_LOG("Input argv[%d]: %s\n", i, argv[i]);
DEBUG_LOG("Output wargv[%d]: %s\n", i, converted);
delete[] converted;
} else {
DEBUG_LOG("Bad wide arg conversion for %d!\n", i);
}
}
}
if(wenv){
@ -122,6 +138,21 @@ namespace msvcrt {
}
}
(*wenv)[count] = nullptr;
// sanity check
for (int i = 0; i < count; i++) {
wchar_t* warg = (*wenv)[i];
size_t len = std::wcstombs(nullptr, warg, 0);
if (len != (size_t)-1) {
char* converted = new char[len + 1];
std::wcstombs(converted, warg, len + 1);
DEBUG_LOG("Input env[%d]: %s\n", i, env[i]);
DEBUG_LOG("Output wenv[%d]: %s\n", i, converted);
delete[] converted;
} else {
DEBUG_LOG("Bad wide arg conversion for %d!\n", i);
}
}
}
return 0;
}