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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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8
src/common/file_util.h
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@ -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);