Windows: fix some heap corruptions, fix msvc not building with unicode flags, fix os.getwd, fix mscrazy using a less recent installation
Emily Hudson
Alexander Medvednikov
parent
0bbefca875
commit
32aae80a64
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@ -7,3 +7,7 @@
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*.exe
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*.o
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.*.c
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*.obj
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*.pdb
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@ -32,25 +32,24 @@ struct MsvcResult {
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struct FindResult {
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sdk_ver int
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windows_sdk_root byteptr
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windows_sdk_um_library_path byteptr
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windows_sdk_ucrt_library_path byteptr
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vs_exe_path byteptr
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vs_library_path byteptr
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windows_sdk_root *u16
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windows_sdk_um_library_path *u16
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windows_sdk_ucrt_library_path *u16
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vs_exe_path *u16
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vs_library_path *u16
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}
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fn C.find_visual_studio_and_windows_sdk() *FindResult
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fn C.wide_string_to_narrow_temp(byteptr) byteptr
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fn find_msvc() *MsvcResult {
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$if windows {
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r := C.find_visual_studio_and_windows_sdk()
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windows_sdk_root := tos_clone(C.wide_string_to_narrow_temp(r.windows_sdk_root))
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ucrt_lib_folder := tos_clone(C.wide_string_to_narrow_temp(r.windows_sdk_ucrt_library_path))
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um_lib_folder := tos_clone(C.wide_string_to_narrow_temp(r.windows_sdk_um_library_path))
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vs_lib_folder := tos_clone(C.wide_string_to_narrow_temp(r.vs_library_path))
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exe_folder := tos_clone(C.wide_string_to_narrow_temp(r.vs_exe_path))
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windows_sdk_root := string_from_wide(r.windows_sdk_root)
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ucrt_lib_folder := string_from_wide(r.windows_sdk_ucrt_library_path)
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um_lib_folder := string_from_wide(r.windows_sdk_um_library_path)
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vs_lib_folder := string_from_wide(r.vs_library_path)
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exe_folder := string_from_wide(r.vs_exe_path)
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mut ucrt_include_folder := ucrt_lib_folder.replace('Lib', 'Include')
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mut vs_include_folder := vs_lib_folder.replace('lib', 'include')
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@ -88,7 +87,7 @@ fn find_msvc() *MsvcResult {
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pub fn cc_msvc(v *V) {
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r := find_msvc()
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mut a := ['-w', '/volatile:ms'] // arguments for the C compiler
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mut a := ['-w', '/volatile:ms', '/D_UNICODE', '/DUNICODE'] // arguments for the C compiler
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// cl.exe is stupid so these are in a different order to the ones below!
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@ -274,6 +273,6 @@ fn build_thirdparty_obj_file_with_msvc(flag string) {
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println('$cfiles')
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res := os.exec('""$msvc.exe_path\\cl.exe" /volatile:ms /Z7 $include_string /c $cfiles /Fo"$obj_path""')
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res := os.exec('""$msvc.exe_path\\cl.exe" /volatile:ms /Z7 $include_string /c $cfiles /Fo"$obj_path" /D_UNICODE /DUNICODE"')
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println(res)
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}
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@ -1,24 +1,3 @@
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#define MICROSOFT_CRAZINESS_IMPLEMENTATION
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#include "microsoft_craziness.h"
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#ifdef _WIN32
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// Never hang around to a pointer from this function
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// This is not thread safe
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char *wide_string_to_narrow_temp(wchar_t *wc) {
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static char buffer[10000][10];
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static int counter = 0;
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char *cur_buffer = buffer[counter++];
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int len = wcslen(wc);
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int c = wcstombs(cur_buffer, wc, len);
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cur_buffer[c] = 0;
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// something assert len == c
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return cur_buffer;
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}
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#endif
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#include "microsoft_craziness.h"
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@ -338,6 +338,7 @@ wchar_t *find_windows_kit_root_with_key(HKEY key, wchar_t *version) {
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DWORD length =
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required_length + 2; // The +2 is for the maybe optional zero later on.
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// Probably we are over-allocating.
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wchar_t *value = (wchar_t *)malloc(length);
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if (!value)
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return NULL;
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@ -350,8 +351,8 @@ wchar_t *find_windows_kit_root_with_key(HKEY key, wchar_t *version) {
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// The documentation says that if the string for some reason was not stored
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// with zero-termination, we need to manually terminate it. Sigh!!
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if (value[length]) {
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value[length + 1] = 0;
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if (value[required_length / 2 - 1]) {
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value[required_length / 2] = 0;
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}
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return value;
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@ -521,6 +522,13 @@ bool find_visual_studio_2017_by_fighting_through_microsoft_craziness(
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if (!instances)
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return false;
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// SetupInstance will return the installations in the order they were made
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// - this results in 2017 being got before 2019 and we dont want this
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// so get all the installations first, parse the versions and pick the best
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BSTR best_path = NULL;
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Version_Data best_version;
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best_version.best_name = NULL;
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bool found_visual_studio_2017 = false;
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while (1) {
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ULONG found = 0;
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@ -529,81 +537,95 @@ bool find_visual_studio_2017_by_fighting_through_microsoft_craziness(
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if (hr != S_OK)
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break;
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BSTR vs_version;
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hr = CALL_STDMETHOD(instance, GetInstallationVersion, &vs_version);
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win10_best(vs_version, vs_version, &best_version);
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BSTR bstr_inst_path;
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hr = CALL_STDMETHOD(instance, GetInstallationPath, &bstr_inst_path);
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CALL_STDMETHOD_(instance, Release);
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if (hr != S_OK)
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continue;
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wchar_t *tools_filename = concat2(
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bstr_inst_path,
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L"\\VC\\Auxiliary\\Build\\Microsoft.VCToolsVersion.default.txt");
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SysFreeString(bstr_inst_path);
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FILE *f;
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errno_t open_result = _wfopen_s(&f, tools_filename, L"rt");
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free(tools_filename);
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if (open_result != 0)
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continue;
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if (!f)
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// Do this here to get instance->Release() called
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if (lstrcmpW(best_version.best_name, vs_version))
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continue;
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LARGE_INTEGER tools_file_size;
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HANDLE file_handle = (HANDLE)_get_osfhandle(_fileno(f));
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BOOL success = GetFileSizeEx(file_handle, &tools_file_size);
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if (!success) {
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fclose(f);
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continue;
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}
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uint64_t version_bytes =
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(tools_file_size.QuadPart + 1) *
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2; // Warning: This multiplication by 2 presumes there is no
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// variable-length encoding in the wchars (wacky characters in the
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// file could betray this expectation).
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wchar_t *version = (wchar_t *)malloc(version_bytes);
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wchar_t *read_result = fgetws(version, version_bytes, f);
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fclose(f);
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if (!read_result)
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continue;
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wchar_t *version_tail = wcschr(version, '\n');
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if (version_tail)
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*version_tail = 0; // Stomp the data, because nobody cares about it.
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wchar_t *library_path =
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concat4(bstr_inst_path, L"\\VC\\Tools\\MSVC\\", version, L"\\lib\\x64");
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wchar_t *library_file =
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concat2(library_path,
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L"\\vcruntime.lib"); // @Speed: Could have library_path point to
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// this string, with a smaller count, to
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// save on memory flailing!
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if (os_file_exists(library_file)) {
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wchar_t *link_exe_path = concat4(bstr_inst_path, L"\\VC\\Tools\\MSVC\\",
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version, L"\\bin\\Hostx64\\x64");
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free(version);
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result->vs_exe_path = link_exe_path;
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result->vs_library_path = library_path;
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found_visual_studio_2017 = true;
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break;
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}
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free(version);
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/*
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Ryan Saunderson said:
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"Clang uses the 'SetupInstance->GetInstallationVersion' /
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ISetupHelper->ParseVersion to find the newest version and then reads the
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tools file to define the tools path - which is definitely better than
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what i did."
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So... @Incomplete: Should probably pick the newest version...
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*/
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best_path = bstr_inst_path;
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}
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if (best_path == NULL)
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goto failed;
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// result->vs_root_path = _wcsdup(best_path);
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wchar_t *tools_filename =
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concat2(best_path,
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L"\\VC\\Auxiliary\\Build\\Microsoft.VCToolsVersion.default.txt");
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FILE *f;
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errno_t open_result = _wfopen_s(&f, tools_filename, L"rt");
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free(tools_filename);
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if (open_result != 0)
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return false;
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if (!f)
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return false;
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LARGE_INTEGER tools_file_size;
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HANDLE file_handle = (HANDLE)_get_osfhandle(_fileno(f));
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BOOL success = GetFileSizeEx(file_handle, &tools_file_size);
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if (!success) {
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fclose(f);
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return false;
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}
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uint64_t version_bytes =
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(tools_file_size.QuadPart + 1) *
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2; // Warning: This multiplication by 2 presumes there is no
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// variable-length encoding in the wchars (wacky characters in the file
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// could betray this expectation).
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wchar_t *version = (wchar_t *)malloc(version_bytes);
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wchar_t *read_result = fgetws(version, version_bytes, f);
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fclose(f);
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if (!read_result)
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return false;
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wchar_t *version_tail = wcschr(version, '\n');
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if (version_tail)
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*version_tail = 0; // Stomp the data, because nobody cares about it.
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wchar_t *library_path =
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concat4(best_path, L"\\VC\\Tools\\MSVC\\", version, L"\\lib\\x64");
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wchar_t *library_file = concat2(
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library_path, L"\\vcruntime.lib"); // @Speed: Could have library_path
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// point to this string, with a smaller
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// count, to save on memory flailing!
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if (os_file_exists(library_file)) {
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wchar_t *link_exe_path = concat4(best_path, L"\\VC\\Tools\\MSVC\\", version,
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L"\\bin\\Hostx64\\x64");
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result->vs_exe_path = link_exe_path;
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result->vs_library_path = library_path;
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found_visual_studio_2017 = true;
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}
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free(version);
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SysFreeString(best_path);
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/*
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Ryan Saunderson said:
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"Clang uses the 'SetupInstance->GetInstallationVersion' /
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ISetupHelper->ParseVersion to find the newest version and then reads the
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tools file to define the tools path - which is definitely better than what
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i did." So... @Incomplete: Should probably pick the newest version...
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*/
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failed:
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CALL_STDMETHOD_(instances, Release);
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return found_visual_studio_2017;
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}
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@ -703,9 +703,9 @@ pub fn chdir(path string) {
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pub fn getwd() string {
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$if windows {
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max := 512 // MAX_PATH * sizeof(wchar_t)
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max := 1024 // MAX_PATH * sizeof(wchar_t)
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buf := &u16(malloc(max))
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if C._wgetcwd(buf, max) == 0 {
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if C._wgetcwd(buf, max/2) == 0 {
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return ''
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}
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return string_from_wide(buf)
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