353 lines
12 KiB
C++
353 lines
12 KiB
C++
/*
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* Copyright (c) 2018 Andrew Kelley
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*
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* This file is part of zig, which is MIT licensed.
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* See http://opensource.org/licenses/MIT
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*/
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#include "windows_sdk.h"
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#if defined(_WIN32)
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#include "windows_com.hpp"
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#include <inttypes.h>
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#include <assert.h>
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struct ZigWindowsSDKPrivate {
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ZigWindowsSDK base;
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};
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enum NativeArch {
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NativeArchArm,
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NativeArchi386,
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NativeArchx86_64,
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};
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#if defined(_M_ARM) || defined(__arm_)
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static const NativeArch native_arch = NativeArchArm;
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#endif
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#if defined(_M_IX86) || defined(__i386__)
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static const NativeArch native_arch = NativeArchi386;
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#endif
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#if defined(_M_X64) || defined(__x86_64__)
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static const NativeArch native_arch = NativeArchx86_64;
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#endif
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void zig_free_windows_sdk(struct ZigWindowsSDK *sdk) {
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if (sdk == nullptr) {
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return;
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}
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free((void*)sdk->path10_ptr);
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free((void*)sdk->version10_ptr);
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free((void*)sdk->path81_ptr);
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free((void*)sdk->version81_ptr);
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free((void*)sdk->msvc_lib_dir_ptr);
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}
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static ZigFindWindowsSdkError find_msvc_lib_dir(ZigWindowsSDKPrivate *priv) {
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//COM Smart Pointers requires explicit scope
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{
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HRESULT rc = CoInitializeEx(NULL, COINIT_MULTITHREADED);
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if (rc != S_OK && rc != S_FALSE) {
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goto com_done;
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}
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//This COM class is installed when a VS2017
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ISetupConfigurationPtr setup_config;
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rc = setup_config.CreateInstance(__uuidof(SetupConfiguration));
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if (rc != S_OK) {
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goto com_done;
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}
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IEnumSetupInstancesPtr all_instances;
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rc = setup_config->EnumInstances(&all_instances);
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if (rc != S_OK) {
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goto com_done;
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}
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ISetupInstance* curr_instance;
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ULONG found_inst;
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while ((rc = all_instances->Next(1, &curr_instance, &found_inst) == S_OK)) {
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BSTR bstr_inst_path;
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rc = curr_instance->GetInstallationPath(&bstr_inst_path);
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if (rc != S_OK) {
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goto com_done;
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}
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//BSTRs are UTF-16 encoded, so we need to convert the string & adjust the length
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//TODO call an actual function to do this
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UINT bstr_path_len = *((UINT*)bstr_inst_path - 1);
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ULONG tmp_path_len = bstr_path_len / 2 + 1;
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char* conv_path = (char*)bstr_inst_path;
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// TODO don't use alloca
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char *tmp_path = (char*)alloca(tmp_path_len);
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memset(tmp_path, 0, tmp_path_len);
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uint32_t c = 0;
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for (uint32_t i = 0; i < bstr_path_len; i += 2) {
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tmp_path[c] = conv_path[i];
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++c;
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assert(c != tmp_path_len);
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}
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char output_path[4096];
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output_path[0] = 0;
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char *out_append_ptr = output_path;
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out_append_ptr += sprintf(out_append_ptr, "%s\\", tmp_path);
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char tmp_buf[4096];
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sprintf(tmp_buf, "%s%s", output_path, "VC\\Auxiliary\\Build\\Microsoft.VCToolsVersion.default.txt");
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FILE* tools_file = fopen(tmp_buf, "rb");
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if (!tools_file) {
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goto com_done;
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}
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memset(tmp_path, 0, tmp_path_len);
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fgets(tmp_path, tmp_path_len, tools_file);
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strtok(tmp_path, " \r\n");
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fclose(tools_file);
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out_append_ptr += sprintf(out_append_ptr, "VC\\Tools\\MSVC\\%s\\lib\\", tmp_path);
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switch (native_arch) {
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case NativeArchi386:
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out_append_ptr += sprintf(out_append_ptr, "x86\\");
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break;
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case NativeArchx86_64:
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out_append_ptr += sprintf(out_append_ptr, "x64\\");
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break;
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case NativeArchArm:
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out_append_ptr += sprintf(out_append_ptr, "arm\\");
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break;
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}
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sprintf(tmp_buf, "%s%s", output_path, "vcruntime.lib");
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if (GetFileAttributesA(tmp_buf) != INVALID_FILE_ATTRIBUTES) {
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priv->base.msvc_lib_dir_ptr = strdup(output_path);
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if (priv->base.msvc_lib_dir_ptr == nullptr) {
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return ZigFindWindowsSdkErrorOutOfMemory;
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}
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priv->base.msvc_lib_dir_len = strlen(priv->base.msvc_lib_dir_ptr);
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return ZigFindWindowsSdkErrorNone;
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}
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}
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}
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com_done:;
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HKEY key;
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HRESULT rc = RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\VisualStudio\\SxS\\VS7", 0,
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KEY_QUERY_VALUE | KEY_WOW64_32KEY, &key);
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if (rc != ERROR_SUCCESS) {
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return ZigFindWindowsSdkErrorNotFound;
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}
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DWORD dw_type = 0;
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DWORD cb_data = 0;
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rc = RegQueryValueEx(key, "14.0", NULL, &dw_type, NULL, &cb_data);
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if ((rc == ERROR_FILE_NOT_FOUND) || (REG_SZ != dw_type)) {
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return ZigFindWindowsSdkErrorNotFound;
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}
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char tmp_buf[4096];
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RegQueryValueExA(key, "14.0", NULL, NULL, (LPBYTE)tmp_buf, &cb_data);
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// RegQueryValueExA returns the length of the string INCLUDING the null terminator
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char *tmp_buf_append_ptr = tmp_buf + (cb_data - 1);
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tmp_buf_append_ptr += sprintf(tmp_buf_append_ptr, "VC\\Lib\\");
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switch (native_arch) {
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case NativeArchi386:
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//x86 is in the root of the Lib folder
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break;
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case NativeArchx86_64:
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tmp_buf_append_ptr += sprintf(tmp_buf_append_ptr, "amd64\\");
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break;
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case NativeArchArm:
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tmp_buf_append_ptr += sprintf(tmp_buf_append_ptr, "arm\\");
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break;
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}
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char *output_path = strdup(tmp_buf);
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if (output_path == nullptr) {
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return ZigFindWindowsSdkErrorOutOfMemory;
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}
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tmp_buf_append_ptr += sprintf(tmp_buf_append_ptr, "vcruntime.lib");
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if (GetFileAttributesA(tmp_buf) != INVALID_FILE_ATTRIBUTES) {
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priv->base.msvc_lib_dir_ptr = output_path;
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priv->base.msvc_lib_dir_len = strlen(output_path);
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return ZigFindWindowsSdkErrorNone;
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} else {
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free(output_path);
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return ZigFindWindowsSdkErrorNotFound;
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}
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}
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static ZigFindWindowsSdkError find_10_version(ZigWindowsSDKPrivate *priv) {
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if (priv->base.path10_ptr == nullptr)
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return ZigFindWindowsSdkErrorNone;
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char sdk_lib_dir[4096];
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int n = snprintf(sdk_lib_dir, 4096, "%s\\Lib\\*", priv->base.path10_ptr);
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if (n < 0 || n >= 4096) {
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return ZigFindWindowsSdkErrorPathTooLong;
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}
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// enumerate files in sdk path looking for latest version
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WIN32_FIND_DATA ffd;
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HANDLE hFind = FindFirstFileA(sdk_lib_dir, &ffd);
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if (hFind == INVALID_HANDLE_VALUE) {
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return ZigFindWindowsSdkErrorNotFound;
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}
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int v0 = 0, v1 = 0, v2 = 0, v3 = 0;
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for (;;) {
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if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
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int c0 = 0, c1 = 0, c2 = 0, c3 = 0;
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sscanf(ffd.cFileName, "%d.%d.%d.%d", &c0, &c1, &c2, &c3);
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if (c0 == 10 && c1 == 0 && c2 == 10240 && c3 == 0) {
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// Microsoft released 26624 as 10240 accidentally.
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// https://developer.microsoft.com/en-us/windows/downloads/sdk-archive
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c2 = 26624;
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}
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if ((c0 > v0) || (c1 > v1) || (c2 > v2) || (c3 > v3)) {
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v0 = c0, v1 = c1, v2 = c2, v3 = c3;
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free((void*)priv->base.version10_ptr);
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priv->base.version10_ptr = strdup(ffd.cFileName);
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if (priv->base.version10_ptr == nullptr) {
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FindClose(hFind);
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return ZigFindWindowsSdkErrorOutOfMemory;
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}
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}
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}
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if (FindNextFile(hFind, &ffd) == 0) {
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FindClose(hFind);
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break;
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}
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}
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priv->base.version10_len = strlen(priv->base.version10_ptr);
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return ZigFindWindowsSdkErrorNone;
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}
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static ZigFindWindowsSdkError find_81_version(ZigWindowsSDKPrivate *priv) {
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if (priv->base.path81_ptr == nullptr)
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return ZigFindWindowsSdkErrorNone;
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char sdk_lib_dir[4096];
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int n = snprintf(sdk_lib_dir, 4096, "%s\\Lib\\winv*", priv->base.path81_ptr);
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if (n < 0 || n >= 4096) {
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return ZigFindWindowsSdkErrorPathTooLong;
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}
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// enumerate files in sdk path looking for latest version
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WIN32_FIND_DATA ffd;
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HANDLE hFind = FindFirstFileA(sdk_lib_dir, &ffd);
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if (hFind == INVALID_HANDLE_VALUE) {
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return ZigFindWindowsSdkErrorNotFound;
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}
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int v0 = 0, v1 = 0;
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for (;;) {
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if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
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int c0 = 0, c1 = 0;
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sscanf(ffd.cFileName, "winv%d.%d", &c0, &c1);
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if ((c0 > v0) || (c1 > v1)) {
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v0 = c0, v1 = c1;
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free((void*)priv->base.version81_ptr);
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priv->base.version81_ptr = strdup(ffd.cFileName);
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if (priv->base.version81_ptr == nullptr) {
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FindClose(hFind);
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return ZigFindWindowsSdkErrorOutOfMemory;
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}
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}
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}
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if (FindNextFile(hFind, &ffd) == 0) {
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FindClose(hFind);
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break;
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}
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}
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priv->base.version81_len = strlen(priv->base.version81_ptr);
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return ZigFindWindowsSdkErrorNone;
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}
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ZigFindWindowsSdkError zig_find_windows_sdk(struct ZigWindowsSDK **out_sdk) {
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ZigWindowsSDKPrivate *priv = (ZigWindowsSDKPrivate*)calloc(1, sizeof(ZigWindowsSDKPrivate));
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if (priv == nullptr) {
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return ZigFindWindowsSdkErrorOutOfMemory;
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}
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HKEY key;
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HRESULT rc;
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rc = RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows Kits\\Installed Roots", 0,
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KEY_QUERY_VALUE | KEY_WOW64_32KEY | KEY_ENUMERATE_SUB_KEYS, &key);
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if (rc != ERROR_SUCCESS) {
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zig_free_windows_sdk(&priv->base);
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return ZigFindWindowsSdkErrorNotFound;
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}
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{
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DWORD tmp_buf_len = MAX_PATH;
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priv->base.path10_ptr = (const char *)calloc(tmp_buf_len, 1);
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if (priv->base.path10_ptr == nullptr) {
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zig_free_windows_sdk(&priv->base);
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return ZigFindWindowsSdkErrorOutOfMemory;
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}
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rc = RegQueryValueEx(key, "KitsRoot10", NULL, NULL, (LPBYTE)priv->base.path10_ptr, &tmp_buf_len);
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if (rc == ERROR_SUCCESS) {
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priv->base.path10_len = tmp_buf_len - 1;
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if (priv->base.path10_ptr[priv->base.path10_len - 1] == '\\') {
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priv->base.path10_len -= 1;
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}
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} else {
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free((void*)priv->base.path10_ptr);
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priv->base.path10_ptr = nullptr;
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}
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}
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{
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DWORD tmp_buf_len = MAX_PATH;
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priv->base.path81_ptr = (const char *)calloc(tmp_buf_len, 1);
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if (priv->base.path81_ptr == nullptr) {
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zig_free_windows_sdk(&priv->base);
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return ZigFindWindowsSdkErrorOutOfMemory;
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}
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rc = RegQueryValueEx(key, "KitsRoot81", NULL, NULL, (LPBYTE)priv->base.path81_ptr, &tmp_buf_len);
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if (rc == ERROR_SUCCESS) {
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priv->base.path81_len = tmp_buf_len - 1;
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if (priv->base.path81_ptr[priv->base.path81_len - 1] == '\\') {
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priv->base.path81_len -= 1;
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}
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} else {
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free((void*)priv->base.path81_ptr);
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priv->base.path81_ptr = nullptr;
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}
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}
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{
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ZigFindWindowsSdkError err = find_10_version(priv);
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if (err == ZigFindWindowsSdkErrorOutOfMemory) {
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zig_free_windows_sdk(&priv->base);
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return err;
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}
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}
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{
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ZigFindWindowsSdkError err = find_81_version(priv);
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if (err == ZigFindWindowsSdkErrorOutOfMemory) {
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zig_free_windows_sdk(&priv->base);
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return err;
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}
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}
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{
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ZigFindWindowsSdkError err = find_msvc_lib_dir(priv);
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if (err == ZigFindWindowsSdkErrorOutOfMemory) {
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zig_free_windows_sdk(&priv->base);
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return err;
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}
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}
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*out_sdk = &priv->base;
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return ZigFindWindowsSdkErrorNone;
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}
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#else
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void zig_free_windows_sdk(struct ZigWindowsSDK *sdk) {}
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ZigFindWindowsSdkError zig_find_windows_sdk(struct ZigWindowsSDK **out_sdk) {
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return ZigFindWindowsSdkErrorNotFound;
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}
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#endif
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