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optimise fs CreateDirectoryRecursively() by checking if the path already exists prior to the loop.

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This commit is contained in:
ITotalJustice
2025-05-30 13:16:39 +01:00
parent 390c1e870d
commit b46136b959
1 changed files with 20 additions and 25 deletions
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45
sphaira/source/fs.cpp
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@@ -118,6 +118,18 @@ Result CreateDirectory(FsFileSystem* fs, const FsPath& path, bool ignore_read_on
Result CreateDirectoryRecursively(FsFileSystem* fs, const FsPath& _path, bool ignore_read_only) {
R_UNLESS(ignore_read_only || !is_read_only_root(_path), Fs::ResultReadOnly);
// try and create the directory / see if it already exists before the loop.
Result rc;
if (fs) {
rc = CreateDirectory(fs, _path, ignore_read_only);
} else {
rc = CreateDirectory(_path, ignore_read_only);
}
if (R_SUCCEEDED(rc) || rc == FsError_PathAlreadyExists) {
R_SUCCEED();
}
auto path_view = std::string_view{_path};
// todo: fix this for sdmc: and ums0:
FsPath path{"/"};
@@ -134,7 +146,6 @@ Result CreateDirectoryRecursively(FsFileSystem* fs, const FsPath& _path, bool ig
std::strncat(path, dir.data(), dir.size());
log_write("[FS] dir creation path is now: %s\n", path.s);
Result rc;
if (fs) {
rc = CreateDirectory(fs, path, ignore_read_only);
} else {
@@ -155,31 +166,15 @@ Result CreateDirectoryRecursively(FsFileSystem* fs, const FsPath& _path, bool ig
Result CreateDirectoryRecursivelyWithPath(FsFileSystem* fs, const FsPath& _path, bool ignore_read_only) {
R_UNLESS(ignore_read_only || !is_read_only_root(_path), Fs::ResultReadOnly);
size_t off = 0;
while (true) {
const auto first = std::strchr(_path + off, '/');
if (!first) {
R_SUCCEED();
}
off = (first - _path.s) + 1;
FsPath path;
std::strncpy(path, _path, off);
Result rc;
if (fs) {
rc = CreateDirectory(fs, path, ignore_read_only);
} else {
rc = CreateDirectory(path, ignore_read_only);
}
if (R_FAILED(rc) && rc != FsError_PathAlreadyExists) {
log_write("failed to create folder recursively: %s\n", path.s);
return rc;
}
// log_write("created_directory recursively: %s\n", path);
// strip file name form path.
const auto last_slash = std::strrchr(_path, '/');
if (!last_slash) {
R_SUCCEED();
}
FsPath new_path{};
std::snprintf(new_path, sizeof(new_path), "%.*s", (int)(last_slash - _path.s), _path.s);
return CreateDirectoryRecursively(fs, new_path, ignore_read_only);
}
Result DeleteFile(FsFileSystem* fs, const FsPath& path, bool ignore_read_only) {