Backport: Optimize SCI_GETTEXT by calling Document::GetCharRange instead of looping for

each byte.

Backport of changeset 7489:c9118d39963d.

1 files changed, 4 insertions, 5 deletions

diff --git a/src/Editor.cxx b/src/Editor.cxx
index 8f583636d..cd214de56 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -5792,11 +5792,10 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
 			if (wParam == 0)
 				return 0;
 			char *ptr = CharPtrFromSPtr(lParam);
-			size_t iChar = 0;
-			for (; iChar < wParam - 1; iChar++)
-				ptr[iChar] = pdoc->CharAt(iChar);
-			ptr[iChar] = '\0';
-			return iChar;
+			const Sci_Position len = wParam - 1;
+			pdoc->GetCharRange(ptr, 0, len);
+			ptr[len] = '\0';
+			return len;
 		}
 
 	case SCI_SETTEXT: {