diff options
| -rw-r--r-- | src/corelib/io/qfilesystemengine_unix.cpp | 50 | ||||
| -rw-r--r-- | tests/auto/corelib/io/qfileinfo/tst_qfileinfo.cpp | 2 |
2 files changed, 19 insertions, 33 deletions
diff --git a/src/corelib/io/qfilesystemengine_unix.cpp b/src/corelib/io/qfilesystemengine_unix.cpp index 5bab897d43..b78e037865 100644 --- a/src/corelib/io/qfilesystemengine_unix.cpp +++ b/src/corelib/io/qfilesystemengine_unix.cpp @@ -695,52 +695,36 @@ QFileSystemEntry QFileSystemEngine::canonicalName(const QFileSystemEntry &entry, Q_UNUSED(data); return QFileSystemEntry(slowCanonicalized(absoluteName(entry).filePath())); #else - char *ret = 0; -# if defined(Q_OS_DARWIN) - ret = (char*)malloc(PATH_MAX + 1); - if (ret && realpath(entry.nativeFilePath().constData(), (char*)ret) == 0) { - const int savedErrno = errno; // errno is checked below, and free() might change it - free(ret); - errno = savedErrno; - ret = 0; - } -# elif defined(Q_OS_ANDROID) - // On some Android versions, realpath() will return a path even if it does not exist - // To work around this, we check existence in advance. + char stack_result[PATH_MAX+1]; + char *resolved_name = nullptr; +# if defined(Q_OS_DARWIN) || defined(Q_OS_ANDROID) + // On some Android and macOS versions, realpath() will return a path even if + // it does not exist. To work around this, we check existence in advance. if (!data.hasFlags(QFileSystemMetaData::ExistsAttribute)) fillMetaData(entry, data, QFileSystemMetaData::ExistsAttribute); if (!data.exists()) { - ret = 0; errno = ENOENT; } else { - ret = (char*)malloc(PATH_MAX + 1); - if (realpath(entry.nativeFilePath().constData(), (char*)ret) == 0) { - const int savedErrno = errno; // errno is checked below, and free() might change it - free(ret); - errno = savedErrno; - ret = 0; - } + resolved_name = stack_result; } - + if (resolved_name && realpath(entry.nativeFilePath().constData(), resolved_name) == nullptr) + resolved_name = nullptr; # else -# if _POSIX_VERSION >= 200801L - ret = realpath(entry.nativeFilePath().constData(), (char*)0); +# if _POSIX_VERSION >= 200801L // ask realpath to allocate memory + resolved_name = realpath(entry.nativeFilePath().constData(), nullptr); # else - ret = (char*)malloc(PATH_MAX + 1); - if (realpath(entry.nativeFilePath().constData(), (char*)ret) == 0) { - const int savedErrno = errno; // errno is checked below, and free() might change it - free(ret); - errno = savedErrno; - ret = 0; - } + resolved_name = stack_result; + if (realpath(entry.nativeFilePath().constData(), resolved_name) == nullptr) + resolved_name = nullptr; # endif # endif - if (ret) { + if (resolved_name) { data.knownFlagsMask |= QFileSystemMetaData::ExistsAttribute; data.entryFlags |= QFileSystemMetaData::ExistsAttribute; - QString canonicalPath = QDir::cleanPath(QFile::decodeName(ret)); - free(ret); + QString canonicalPath = QDir::cleanPath(QFile::decodeName(resolved_name)); + if (resolved_name != stack_result) + free(resolved_name); return QFileSystemEntry(canonicalPath); } else if (errno == ENOENT || errno == ENOTDIR) { // file doesn't exist data.knownFlagsMask |= QFileSystemMetaData::ExistsAttribute; diff --git a/tests/auto/corelib/io/qfileinfo/tst_qfileinfo.cpp b/tests/auto/corelib/io/qfileinfo/tst_qfileinfo.cpp index a92b4bd1cb..646fb2078a 100644 --- a/tests/auto/corelib/io/qfileinfo/tst_qfileinfo.cpp +++ b/tests/auto/corelib/io/qfileinfo/tst_qfileinfo.cpp @@ -655,6 +655,8 @@ void tst_QFileInfo::canonicalFilePath() QVERIFY(tempFile.open(QFile::WriteOnly)); QFileInfo fi(tempFile.fileName()); QCOMPARE(fi.canonicalFilePath(), QDir::currentPath() + "/" + fileName); + fi = QFileInfo(tempFile.fileName() + QString::fromLatin1("/")); + QCOMPARE(fi.canonicalFilePath(), QString::fromLatin1("")); tempFile.remove(); // This used to crash on Mac, verify that it doesn't anymore. |