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--- base/files/file_util_posix.cc.orig 2022-06-17 14:20:10 UTC
+++ base/files/file_util_posix.cc
@@ -696,32 +696,34 @@ bool CreateDirectoryAndGetError(const FilePath& full_p
File::Error* error) {
ScopedBlockingCall scoped_blocking_call(
FROM_HERE, BlockingType::MAY_BLOCK); // For call to mkdir().
+ const FilePath kFileSystemRoot("/");
std::vector<FilePath> subpaths;
// Collect a list of all parent directories.
FilePath last_path = full_path;
- subpaths.push_back(full_path);
+ if (full_path != kFileSystemRoot)
+ subpaths.push_back(full_path);
for (FilePath path = full_path.DirName();
- path.value() != last_path.value(); path = path.DirName()) {
+ (path.value() != last_path.value() &&
+ (path != kFileSystemRoot)); path = path.DirName()) {
subpaths.push_back(path);
last_path = path;
}
// Iterate through the parents and create the missing ones.
for (const FilePath& subpath : base::Reversed(subpaths)) {
- if (DirectoryExists(subpath))
- continue;
- if (mkdir(subpath.value().c_str(), 0700) == 0)
- continue;
- // Mkdir failed, but it might have failed with EEXIST, or some other error
- // due to the directory appearing out of thin air. This can occur if
- // two processes are trying to create the same file system tree at the same
- // time. Check to see if it exists and make sure it is a directory.
- int saved_errno = errno;
- if (!DirectoryExists(subpath)) {
- if (error)
- *error = File::OSErrorToFileError(saved_errno);
- return false;
+ if (!PathExists(subpath)) {
+ if ((mkdir(subpath.value().c_str(), 0700) == -1) &&
+ ((full_path != subpath) ? (errno != ENOENT) : (-1))) {
+ int saved_errno = errno;
+ if (error)
+ *error = File::OSErrorToFileError(saved_errno);
+ return false;
+ }
+ } else if (!DirectoryExists(subpath)) {
+ if (error)
+ *error = File::OSErrorToFileError(ENOTDIR);
+ return false;
}
}
return true;
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