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55 lines
2.1 KiB
C++
55 lines
2.1 KiB
C++
--- base/files/file_util_posix.cc.orig 2025-03-24 20:50:14 UTC
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+++ base/files/file_util_posix.cc
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@@ -902,36 +902,33 @@ bool CreateDirectoryAndGetError(const FilePath& full_p
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bool CreateDirectoryAndGetError(const FilePath& full_path, File::Error* error) {
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ScopedBlockingCall scoped_blocking_call(
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FROM_HERE, BlockingType::MAY_BLOCK); // For call to mkdir().
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+ const FilePath kFileSystemRoot("/");
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std::vector<FilePath> subpaths;
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// Collect a list of all parent directories.
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FilePath last_path = full_path;
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- subpaths.push_back(full_path);
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- for (FilePath path = full_path.DirName(); path.value() != last_path.value();
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- path = path.DirName()) {
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+ if (full_path != kFileSystemRoot)
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+ subpaths.push_back(full_path);
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+ for (FilePath path = full_path.DirName(); (path.value() != last_path.value() &&
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+ (path != kFileSystemRoot)); path = path.DirName()) {
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subpaths.push_back(path);
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last_path = path;
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}
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// Iterate through the parents and create the missing ones.
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for (const FilePath& subpath : base::Reversed(subpaths)) {
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- if (DirectoryExists(subpath)) {
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- continue;
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- }
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- if (mkdir(subpath.value().c_str(), 0700) == 0) {
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- continue;
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- }
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- // Mkdir failed, but it might have failed with EEXIST, or some other error
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- // due to the directory appearing out of thin air. This can occur if
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- // two processes are trying to create the same file system tree at the same
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- // time. Check to see if it exists and make sure it is a directory.
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- int saved_errno = errno;
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- if (!DirectoryExists(subpath)) {
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- if (error) {
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- *error = File::OSErrorToFileError(saved_errno);
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+ if (!PathExists(subpath)) {
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+ if ((mkdir(subpath.value().c_str(), 0700) == -1) &&
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+ ((full_path != subpath) ? (errno != ENOENT) : (-1))) {
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+ int saved_errno = errno;
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+ if (error)
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+ *error = File::OSErrorToFileError(saved_errno);
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+ return false;
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}
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- errno = saved_errno;
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- return false;
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+ } else if (!DirectoryExists(subpath)) {
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+ if (error)
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+ *error = File::OSErrorToFileError(ENOTDIR);
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+ return false;
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}
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}
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return true;
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