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file_util: Use a u64 to represent number of entries

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This avoids a truncating cast on size. I doubt we'd ever traverse a
directory this large, however we also shouldn't truncate sizes away.
This commit is contained in:
Lioncash 2018-07-21 22:36:19 -04:00 committed by zhupengfei
parent cc6cb45536
commit df5069f8c0
3 changed files with 14 additions and 14 deletions
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2
src/citra_qt/game_list.cpp
View file

@ -630,7 +630,7 @@ void GameList::RefreshGameDirectory() {
void GameListWorker::AddFstEntriesToGameList(const std::string& dir_path, unsigned int recursion,
GameListDir* parent_dir) {
const auto callback = [this, recursion, parent_dir](unsigned* num_entries_out,
const auto callback = [this, recursion, parent_dir](u64* num_entries_out,
const std::string& directory,
const std::string& virtual_name) -> bool {
std::string physical_name = directory + DIR_SEP + virtual_name;

18
src/common/file_util.cpp
View file

@ -394,12 +394,12 @@ bool CreateEmptyFile(const std::string& filename) {
return true;
}
bool ForeachDirectoryEntry(unsigned* num_entries_out, const std::string& directory,
bool ForeachDirectoryEntry(u64* num_entries_out, const std::string& directory,
DirectoryEntryCallable callback) {
LOG_TRACE(Common_Filesystem, "directory {}", directory);
// How many files + directories we found
unsigned found_entries = 0;
u64 found_entries = 0;
// Save the status of callback function
bool callback_error = false;
@ -429,7 +429,7 @@ bool ForeachDirectoryEntry(unsigned* num_entries_out, const std::string& directo
if (virtual_name == "." || virtual_name == "..")
continue;
unsigned ret_entries = 0;
u64 ret_entries = 0;
if (!callback(&ret_entries, directory, virtual_name)) {
callback_error = true;
break;
@ -453,9 +453,9 @@ bool ForeachDirectoryEntry(unsigned* num_entries_out, const std::string& directo
return true;
}
unsigned ScanDirectoryTree(const std::string& directory, FSTEntry& parent_entry,
unsigned int recursion) {
const auto callback = [recursion, &parent_entry](unsigned* num_entries_out,
u64 ScanDirectoryTree(const std::string& directory, FSTEntry& parent_entry,
unsigned int recursion) {
const auto callback = [recursion, &parent_entry](u64* num_entries_out,
const std::string& directory,
const std::string& virtual_name) -> bool {
FSTEntry entry;
@ -467,7 +467,7 @@ unsigned ScanDirectoryTree(const std::string& directory, FSTEntry& parent_entry,
// is a directory, lets go inside if we didn't recurse to often
if (recursion > 0) {
entry.size = ScanDirectoryTree(entry.physicalName, entry, recursion - 1);
*num_entries_out += (int)entry.size;
*num_entries_out += entry.size;
} else {
entry.size = 0;
}
@ -482,12 +482,12 @@ unsigned ScanDirectoryTree(const std::string& directory, FSTEntry& parent_entry,
return true;
};
unsigned num_entries;
u64 num_entries;
return ForeachDirectoryEntry(&num_entries, directory, callback) ? num_entries : 0;
}
bool DeleteDirRecursively(const std::string& directory, unsigned int recursion) {
const auto callback = [recursion](unsigned* num_entries_out, const std::string& directory,
const auto callback = [recursion](u64* num_entries_out, const std::string& directory,
const std::string& virtual_name) -> bool {
std::string new_path = directory + DIR_SEP_CHR + virtual_name;

8
src/common/file_util.h
View file

@ -85,7 +85,7 @@ bool CreateEmptyFile(const std::string& filename);
* @return whether handling the entry succeeded
*/
using DirectoryEntryCallable = std::function<bool(
unsigned* num_entries_out, const std::string& directory, const std::string& virtual_name)>;
u64* num_entries_out, const std::string& directory, const std::string& virtual_name)>;
/**
* Scans a directory, calling the callback for each file/directory contained within.
@ -96,7 +96,7 @@ using DirectoryEntryCallable = std::function<bool(
* @param callback The callback which will be called for each entry
* @return whether scanning the directory succeeded
*/
bool ForeachDirectoryEntry(unsigned* num_entries_out, const std::string& directory,
bool ForeachDirectoryEntry(u64* num_entries_out, const std::string& directory,
DirectoryEntryCallable callback);
/**
@ -106,8 +106,8 @@ bool ForeachDirectoryEntry(unsigned* num_entries_out, const std::string& directo
* @param recursion Number of children directories to read before giving up.
* @return the total number of files/directories found
*/
unsigned ScanDirectoryTree(const std::string& directory, FSTEntry& parent_entry,
unsigned int recursion = 0);
u64 ScanDirectoryTree(const std::string& directory, FSTEntry& parent_entry,
unsigned int recursion = 0);
// deletes the given directory and anything under it. Returns true on success.
bool DeleteDirRecursively(const std::string& directory, unsigned int recursion = 256);