mirror of
https://github.com/microsoft/vcpkg.git
synced 2024-12-18 06:37:51 +08:00
327 lines
11 KiB
Diff
327 lines
11 KiB
Diff
From e30a560527d17ae81685dd11d3268bc982af2048 Mon Sep 17 00:00:00 2001
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From: Adam Johnson <AdamJohnso@gmail.com>
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Date: Tue, 16 Feb 2021 18:03:07 -0500
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Subject: [PATCH 7/7] restore support for windows 7
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this backports the windows 7 compatible fix for bpo-39401 from gh-18234,
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originally authored by Steve Dower, and removes explicit dependencies on
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pathcch.
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The same mechanism is applied to fix posixmodule.c
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---
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index 25ddc82..ff51042 100644
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--- a/Modules/_winapi.c
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+++ b/Modules/_winapi.c
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@@ -44,6 +44,15 @@
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#include "pycore_runtime.h" // _Py_ID
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+// The Windws 7 patch lowers the API version such that these constants
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+// are no longer defined by the Windows SDK. Debounce that.
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+#ifndef LCMAP_SORTHANDLE
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+# define LCMAP_SORTHANDLE 0x20000000
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+#endif
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+#ifndef LCMAP_HASH
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+# define LCMAP_HASH 0x00040000
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+#endif
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+
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#if defined(MS_WIN32) && !defined(MS_WIN64)
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#define HANDLE_TO_PYNUM(handle) \
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PyLong_FromUnsignedLong((unsigned long) handle)
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diff --git a/Modules/getpath.c b/Modules/getpath.c
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index bc730fc..7d3d559 100644
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--- a/Modules/getpath.c
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+++ b/Modules/getpath.c
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@@ -11,7 +11,7 @@
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#ifdef MS_WINDOWS
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# include <windows.h> // GetFullPathNameW(), MAX_PATH
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-# include <pathcch.h>
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+# include <Shlwapi.h>
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#endif
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#ifdef __APPLE__
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@@ -217,6 +217,11 @@ getpath_isfile(PyObject *Py_UNUSED(self), PyObject *args)
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return r;
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}
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+#ifdef MS_WINDOWS
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+static int _PathCchFindExtension_Initialized = 0;
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+typedef HRESULT (__stdcall *PPathCchFindExtension) (PCWSTR pszPath, size_t cchPath, PCWSTR *ppszExt);
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+static PPathCchFindExtension _PathCchFindExtension;
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+#endif
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static PyObject *
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getpath_isxfile(PyObject *Py_UNUSED(self), PyObject *args)
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@@ -231,13 +235,51 @@ getpath_isxfile(PyObject *Py_UNUSED(self), PyObject *args)
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path = PyUnicode_AsWideCharString(pathobj, &cchPath);
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if (path) {
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#ifdef MS_WINDOWS
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+
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+ if (_PathCchFindExtension_Initialized == 0) {
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+ HMODULE pathapi = LoadLibraryExW(L"api-ms-win-core-path-l1-1-0.dll", NULL,
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+ LOAD_LIBRARY_SEARCH_SYSTEM32);
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+
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+ if (pathapi) {
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+ _PathCchFindExtension = (PPathCchFindExtension)GetProcAddress(pathapi, "PathCchFindExtension");
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+ } else {
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+ _PathCchFindExtension = NULL;
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+ }
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+
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+ _PathCchFindExtension_Initialized = 1;
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+ }
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+
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const wchar_t *ext;
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DWORD attr = GetFileAttributesW(path);
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- r = (attr != INVALID_FILE_ATTRIBUTES) &&
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- !(attr & FILE_ATTRIBUTE_DIRECTORY) &&
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- SUCCEEDED(PathCchFindExtension(path, cchPath + 1, &ext)) &&
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- (CompareStringOrdinal(ext, -1, L".exe", -1, 1 /* ignore case */) == CSTR_EQUAL)
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- ? Py_True : Py_False;
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+ if (attr == INVALID_FILE_ATTRIBUTES || (attr & FILE_ATTRIBUTE_DIRECTORY)) {
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+ r = Py_False;
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+ }
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+ else {
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+ HRESULT hr = S_OK;
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+ if (_PathCchFindExtension) {
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+ hr = _PathCchFindExtension(path, cchPath + 1, &ext);
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+ }
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+ else {
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+ if (cchPath > MAX_PATH) {
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+ hr = E_FAIL;
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+ }
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+ else {
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+ ext = PathFindExtensionW(path);
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+ if (*ext == '\0')
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+ hr = E_FAIL;
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+ }
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+ }
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+
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+ if (!SUCCEEDED(hr)) {
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+ r = Py_False;
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+ }
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+ else if (CompareStringOrdinal(ext, -1, L".exe", -1, 1 /* ignore case */) != CSTR_EQUAL) {
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+ r = Py_False;
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+ }
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+ else {
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+ r = Py_True;
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+ }
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+ }
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#else
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struct stat st;
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r = (_Py_wstat(path, &st) == 0) &&
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diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
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--- a/Modules/posixmodule.c
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+++ b/Modules/posixmodule.c
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@@ -15,7 +15,7 @@
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// whereas pycore_condvar.h defines the WIN32_LEAN_AND_MEAN macro.
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#ifdef MS_WINDOWS
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# include <windows.h>
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-# include <pathcch.h>
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+# include <Shlwapi.h>
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# include <lmcons.h> // UNLEN
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# include "osdefs.h" // SEP
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# define HAVE_SYMLINK
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@@ -4471,6 +4471,11 @@ os__getvolumepathname_impl(PyObject *module, path_t *path)
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return result;
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}
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+#ifdef MS_WINDOWS
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+static int _PathCchSkipRoot_Initialized = 0;
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+typedef HRESULT (__stdcall *PPathCchSkipRoot) (PCWSTR pszPath, PCWSTR *ppszRootEnd);
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+static PPathCchSkipRoot _PathCchSkipRoot;
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+#endif
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/*[clinic input]
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os._path_splitroot
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@@ -4489,6 +4493,19 @@ os__path_splitroot_impl(PyObject *module, path_t *path)
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PyObject *result = NULL;
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HRESULT ret;
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+ if (_PathCchSkipRoot_Initialized == 0) {
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+ HMODULE pathapi = LoadLibraryExW(L"api-ms-win-core-path-l1-1-0.dll", NULL,
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+ LOAD_LIBRARY_SEARCH_SYSTEM32);
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+
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+ if (pathapi) {
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+ _PathCchSkipRoot = (PPathCchSkipRoot)GetProcAddress(pathapi, "PathCchSkipRoot");
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+ } else {
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+ _PathCchSkipRoot = NULL;
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+ }
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+
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+ _PathCchSkipRoot_Initialized = 1;
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+ }
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+
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buffer = (wchar_t*)PyMem_Malloc(sizeof(wchar_t) * (wcslen(path->wide) + 1));
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if (!buffer) {
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return NULL;
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@@ -4499,7 +4516,14 @@ os__path_splitroot_impl(PyObject *module, path_t *path)
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}
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Py_BEGIN_ALLOW_THREADS
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- ret = PathCchSkipRoot(buffer, &end);
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+ if (_PathCchSkipRoot) {
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+ ret = _PathCchSkipRoot(buffer, &end);
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+ } else {
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+ end = PathSkipRootW(buffer);
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+ if (!end) {
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+ ret = E_FAIL;
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+ }
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+ }
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Py_END_ALLOW_THREADS
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if (FAILED(ret)) {
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result = Py_BuildValue("sO", "", path->object);
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diff --git a/PC/pyconfig.h b/PC/pyconfig.h
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index d7d3cf0..6e9c090 100644
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--- a/PC/pyconfig.h
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+++ b/PC/pyconfig.h
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@@ -130,8 +130,8 @@ WIN32 is still required for the locale module.
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/* set the version macros for the windows headers */
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/* Python 3.9+ requires Windows 8 or greater */
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-#define Py_WINVER 0x0602 /* _WIN32_WINNT_WIN8 */
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-#define Py_NTDDI NTDDI_WIN8
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+#define Py_WINVER 0x0601 /* _WIN32_WINNT_WIN7 */
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+#define Py_NTDDI NTDDI_WIN7
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/* We only set these values when building Python - we don't want to force
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these values on extensions, as that will affect the prototypes and
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diff --git a/PCbuild/_freeze_module.vcxproj b/PCbuild/_freeze_module.vcxproj
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index 442e343..ef0a43e 100644
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--- a/PCbuild/_freeze_module.vcxproj
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+++ b/PCbuild/_freeze_module.vcxproj
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@@ -94,7 +94,7 @@
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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- <AdditionalDependencies>version.lib;ws2_32.lib;pathcch.lib;bcrypt.lib;%(AdditionalDependencies)</AdditionalDependencies>
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+ <AdditionalDependencies>version.lib;ws2_32.lib;shlwapi.lib;bcrypt.lib;%(AdditionalDependencies)</AdditionalDependencies>
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<LinkTimeCodeGeneration>Default</LinkTimeCodeGeneration>
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</Link>
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</ItemDefinitionGroup>
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diff --git a/PCbuild/pythoncore.vcxproj b/PCbuild/pythoncore.vcxproj
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index c39ba3e1a9..0ef3a05fb6 100644
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--- a/PCbuild/pythoncore.vcxproj
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+++ b/PCbuild/pythoncore.vcxproj
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@@ -106,7 +106,7 @@
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<PreprocessorDefinitions Condition="$(IncludeExternals)">_Py_HAVE_ZLIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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</ClCompile>
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<Link>
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- <AdditionalDependencies>version.lib;ws2_32.lib;pathcch.lib;bcrypt.lib;%(AdditionalDependencies)</AdditionalDependencies>
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+ <AdditionalDependencies>version.lib;ws2_32.lib;shlwapi.lib;bcrypt.lib;%(AdditionalDependencies)</AdditionalDependencies>
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</Link>
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</ItemDefinitionGroup>
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<ItemGroup>
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diff --git a/Python/fileutils.c b/Python/fileutils.c
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index c86ed40..6b1535d 100644
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--- a/Python/fileutils.c
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+++ b/Python/fileutils.c
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@@ -8,7 +8,7 @@
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#ifdef MS_WINDOWS
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# include <malloc.h>
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# include <windows.h>
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-# include <pathcch.h> // PathCchCombineEx
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+# include <Shlwapi.h>
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extern int winerror_to_errno(int);
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#endif
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@@ -1999,13 +1999,46 @@ _Py_wrealpath(const wchar_t *path,
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}
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#endif
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+#ifdef MS_WINDOWS
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+static int _PathCchSkipRoot_Initialized = 0;
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+typedef HRESULT (__stdcall *PPathCchSkipRoot) (PCWSTR pszPath, PCWSTR *ppszRootEnd);
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+static PPathCchSkipRoot _PathCchSkipRoot;
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+
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+#ifndef PATHCCH_ALLOW_LONG_PATHS
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+#define PATHCCH_ALLOW_LONG_PATHS 0x00000001
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+#endif
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+#endif
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int
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_Py_isabs(const wchar_t *path)
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{
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#ifdef MS_WINDOWS
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+ if (_PathCchSkipRoot_Initialized == 0) {
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+ HMODULE pathapi = LoadLibraryExW(L"api-ms-win-core-path-l1-1-0.dll", NULL,
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+ LOAD_LIBRARY_SEARCH_SYSTEM32);
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+
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+ if (pathapi) {
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+ _PathCchSkipRoot = (PPathCchSkipRoot)GetProcAddress(pathapi, "PathCchSkipRoot");
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+ } else {
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+ _PathCchSkipRoot = NULL;
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+ }
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+
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+ _PathCchSkipRoot_Initialized = 1;
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+ }
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+
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+ HRESULT hr;
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const wchar_t *tail;
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- HRESULT hr = PathCchSkipRoot(path, &tail);
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+ if (_PathCchSkipRoot) {
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+ hr = _PathCchSkipRoot(path, &tail);
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+ } else {
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+ tail = PathSkipRootW(path);
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+ if (!tail) {
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+ hr = E_FAIL;
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+ } else {
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+ hr = S_OK;
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+ }
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+ }
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+
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if (FAILED(hr) || path == tail) {
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return 0;
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}
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@@ -2086,6 +2117,11 @@ _Py_abspath(const wchar_t *path, wchar_t **abspath_p)
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#endif
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}
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+#ifdef MS_WINDOWS
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+static int _PathCchCombineEx_Initialized = 0;
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+typedef HRESULT (__stdcall *PPathCchCombineEx) (PWSTR pszPathOut, size_t cchPathOut, PCWSTR pszPathIn, PCWSTR pszMore, ULONG dwFlags);
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+static PPathCchCombineEx _PathCchCombineEx;
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+#endif
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// The caller must ensure "buffer" is big enough.
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static int
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@@ -2093,9 +2127,36 @@ join_relfile(wchar_t *buffer, size_t bufsize,
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const wchar_t *dirname, const wchar_t *relfile)
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{
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#ifdef MS_WINDOWS
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- if (FAILED(PathCchCombineEx(buffer, bufsize, dirname, relfile,
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- PATHCCH_ALLOW_LONG_PATHS))) {
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- return -1;
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+
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+ if (_PathCchCombineEx_Initialized == 0) {
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+ HMODULE pathapi = LoadLibraryExW(L"api-ms-win-core-path-l1-1-0.dll", NULL,
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+ LOAD_LIBRARY_SEARCH_SYSTEM32);
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+
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+ if (pathapi) {
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+ _PathCchCombineEx = (PPathCchCombineEx)GetProcAddress(pathapi, "PathCchCombineEx");
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+ } else {
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+ _PathCchCombineEx = NULL;
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+ }
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+
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+ _PathCchCombineEx_Initialized = 1;
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+ }
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+
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+ if (_PathCchCombineEx) {
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+ if (FAILED(_PathCchCombineEx(buffer, bufsize, dirname, relfile,
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+ PATHCCH_ALLOW_LONG_PATHS))) {
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+ return -1;
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+ }
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+ }
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+ else {
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+ size_t dirlen = wcslen(dirname);
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+ size_t rellen = wcslen(relfile);
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+ size_t maxlen = bufsize - 1;
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+ if (maxlen > MAX_PATH || dirlen >= maxlen || rellen >= maxlen - dirlen) {
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+ return -1;
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+ }
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+ wchar_t * r = PathCombineW(buffer, dirname, relfile);
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+ if (!r)
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+ return -1;
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}
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#else
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assert(!_Py_isabs(relfile));
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