Important Update:

- BufferCore:
  - Added PeekCopy and PopCopy methods
- SelectableCore:
  - Add status checking of Handle on Read and Write
  - Reject input if Handle not open
- TimingCore:
  - Added method ClearStartTime

BufferCore.cpp

@@ -120,6 +120,56 @@ int CBuffer::Peek( char ** Data, int PeekPos, int MaxLen )
 }
 //---------------------------------------------------------------------------
 
+// Return "stitched" buffer data in temporary buffer
+int CBuffer::PeekCopy( char ** Data, int PeekPos, int MaxLen )
+{
+    int     BytesReturned   = 0;
+    int     StartPos        = 0;
+
+    // Check if any data
+    if (!BufLen || !MaxLen) {
+        if (*Data)
+            (*Data)[0] = 0;
+        return 0;
+    }
+
+    // Validate start position
+    if (PeekPos >= BufLen) {
+        if (*Data)
+            (*Data)[0] = 0;
+        return 0;
+    }
+    else if (BufStart + StartPos < BufSize) {
+        StartPos = BufStart + PeekPos;
+    }
+    else {
+        StartPos = BufStart + PeekPos - BufSize;
+    }
+
+    // Validate MaxLen
+    if ((MaxLen == -1) || (MaxLen > BufSize)) {
+        MaxLen = BufSize;
+    }
+    BytesReturned = (MaxLen > BufLen - PeekPos)? (BufLen - PeekPos) : MaxLen;
+
+    // Allocate memory
+    if (!*Data)
+        *Data = (char*)malloc( BytesReturned + 1 );
+
+    // Copy Data from Buffer
+    if (StartPos + BytesReturned <= BufSize) {
+        memcpy( *Data, &Buffer[StartPos], BytesReturned );
+    }
+    else {
+        memcpy( *Data, &Buffer[StartPos], BufSize-StartPos );                             // Copy from end of buffer
+        memcpy( &(*Data)[BufSize-StartPos], Buffer, (BytesReturned-(BufSize-StartPos)) ); // Copy rollover from start of buffer
+    }
+    (*Data)[BytesReturned] = 0;
+
+    return BytesReturned;
+}
+//---------------------------------------------------------------------------
+
 int CBuffer::Clear( int ClearLen )
 {
     int BytesCleared;
@@ -223,6 +273,23 @@ int CBuffer::Pop( char ** Data, int MaxLen )
 }
 //---------------------------------------------------------------------------
 
+// Read first-in bytes from buffer
+// Return "stitched" buffer data in temporary buffer
+int CBuffer::PopCopy( char ** Data, int MaxLen )
+{
+    int     BytesWritten    = 0;
+
+    // Read data
+    BytesWritten = PeekCopy( Data, MaxLen );
+
+    // Clear bytes
+    Clear( BytesWritten );
+
+    // Return temp buffer
+    return BytesWritten;
+}
+//---------------------------------------------------------------------------
+
 // Read File descriptor directly into rolling buffer
 int CBuffer::ReadFromFD( int Handle, int MaxRead )
 {