feat(os): implement OsSetCurrentDirectory and OsGetCurrentDirectory

bc/file/File.cpp

@@ -150,6 +150,18 @@ bool GetWorkingDirectory(char* path, size_t capacity) {
     return manager->Do(Filesystem::Call::GetWorkingDirectory, &parms);
 }
 
+bool SetWorkingDirectory(const char* path) {
+    auto manager = System_File::Stacked::Manager();
+    if (!manager) {
+        return false;
+    }
+
+    System_File::Stacked::FileParms parms = {};
+    parms.filename = path;
+
+    return manager->Do(Filesystem::Call::SetWorkingDirectory, &parms);
+}
+
 // Get file information from a stream record, returning a file info pointer owned by StreamRecord
 // The FileInfo ptr returned is invalidated after a call to File::Close(stream)
 FileInfo* GetFileInfo(StreamRecord* stream) {

bc/file/File.hpp

@@ -34,6 +34,8 @@ FileInfo* GetFileInfo(StreamRecord* stream);
 
 bool GetWorkingDirectory(char* path, size_t capacity);
 
+bool SetWorkingDirectory(const char* path);
+
 bool MakeAbsolutePath(const char* rel, char* result, int32_t capacity, bool unkflag);
 
 bool Open(const char* filename, uint32_t flags, StreamRecord*& stream);

bc/os/File.cpp

@@ -146,3 +146,15 @@ int64_t OsSetFilePointer(HOSFILE fileHandle, int64_t distanceToMove, uint32_t mo
 void OsCloseFile(HOSFILE fileHandle) {
     Blizzard::File::Close(static_cast<Blizzard::File::StreamRecord*>(fileHandle));
 }
+
+int32_t OsSetCurrentDirectory(const char* pathName) {
+    BLIZZARD_ASSERT(pathName);
+
+    return Blizzard::File::SetWorkingDirectory(pathName);
+}
+
+int32_t OsGetCurrentDirectory(size_t pathLen, char* pathName) {
+    BLIZZARD_ASSERT(pathName);
+
+    return Blizzard::File::GetWorkingDirectory(pathName, pathLen);
+}

bc/os/File.hpp

@@ -64,4 +64,8 @@ void     OsCloseFile(HOSFILE fileHandle);
 
 int64_t  OsSetFilePointer(HOSFILE fileHandle, int64_t distanceToMove, uint32_t moveMethod);
 
+int32_t  OsSetCurrentDirectory(const char* pathName);
+
+int32_t  OsGetCurrentDirectory(size_t pathLen, char* pathName);
+
 #endif