From f62bb21df68ea94d34eb88df09df371a3808e7a0 Mon Sep 17 00:00:00 2001
From: pommicket <pommicket@gmail.com>
Date: Mon, 16 Jun 2025 00:31:23 -0400
Subject: Fix weirdness with newlines when reloading

---
 buffer.c       | 6 +++---
 command.c      | 5 +++++
 command.h      | 3 +++
 ted-internal.h | 1 +
 4 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/buffer.c b/buffer.c
index 1081f69..55e2cfe 100644
--- a/buffer.c
+++ b/buffer.c
@@ -834,7 +834,7 @@ static void buffer_edit_print(BufferEdit *edit) {
 	printf(" => %" PRIu32 " chars.\n", edit->new_len);
 }
 
-static void buffer_print_undo_history(TextBuffer *buffer) {
+void buffer_print_undo_history(TextBuffer *buffer) {
 	printf("-----------------\n");
 	arr_foreach_ptr(buffer->undo_history, BufferEdit, e)
 		buffer_edit_print(e);
@@ -2652,7 +2652,8 @@ void buffer_delete_chars_at_pos(TextBuffer *buffer, BufferPos pos, i64 nchars_)
 
 void buffer_delete_all(TextBuffer *buffer) {
 	BufferPos start = buffer_pos_start_of_file(buffer);
-	buffer_delete_chars_at_pos(buffer, start, I64_MAX / 4);
+	BufferPos end = buffer_pos_end_of_file(buffer);
+	buffer_delete_chars_between(buffer, start, end);
 }
 
 // Delete characters between the given buffer positions. Returns number of characters deleted.
@@ -3120,7 +3121,6 @@ Status buffer_load_file(TextBuffer *buffer, const char *path) {
 			BufferPos start = buffer_pos_start_of_file(buffer);
 			buffer_insert_utf8_at_pos(buffer, start, (const char *)file_contents);
 			buffer_end_edit_chain(buffer);
-			buffer_print_undo_history(buffer);
 			buffer->view_only = prev_view_only;
 		}
 	}
diff --git a/command.c b/command.c
index 4f8e7ea..d6e7f40 100644
--- a/command.c
+++ b/command.c
@@ -110,6 +110,7 @@ static CommandName command_names[] = {
 	{"indent-with-spaces", CMD_INDENT_WITH_SPACES},
 	{"indent-with-tabs", CMD_INDENT_WITH_TABS},
 	{"set-tab-width", CMD_SET_TAB_WIDTH},
+	{"debug-print-undo-history", CMD_DEBUG_PRINT_UNDO_HISTORY},
 };
 
 static_assert_if_possible(arr_count(command_names) == CMD_COUNT)
@@ -735,5 +736,9 @@ void command_execute_ex(Ted *ted, Command c, const CommandArgument *full_argumen
 		if (argument >= 1 && argument < 256) {
 			buffer_set_manual_tab_width(buffer, (u8)argument);
 		}
+		break;
+	case CMD_DEBUG_PRINT_UNDO_HISTORY:
+		buffer_print_undo_history(buffer);
+		break;
 	}
 }
diff --git a/command.h b/command.h
index 076c4ef..400dab1 100644
--- a/command.h
+++ b/command.h
@@ -170,6 +170,9 @@ typedef enum {
 	/// set tab width/number of spaces to indent with
 	CMD_SET_TAB_WIDTH,
 
+	/// print undo history to stdout
+	CMD_DEBUG_PRINT_UNDO_HISTORY,
+
 	CMD_COUNT
 } Command;
 
diff --git a/ted-internal.h b/ted-internal.h
index dd109ea..466c6c3 100644
--- a/ted-internal.h
+++ b/ted-internal.h
@@ -491,6 +491,7 @@ void buffer_center_cursor_next_frame(TextBuffer *buffer);
 /// perform a series of checks to make sure the buffer doesn't have any invalid values
 void buffer_check_valid(TextBuffer *buffer);
 void buffer_publish_diagnostics(TextBuffer *buffer, const LSPRequest *request, LSPDiagnostic *diagnostics);
+void buffer_print_undo_history(TextBuffer *buffer);
 
 // === build.c ===
 void build_frame(Ted *ted, float x1, float y1, float x2, float y2);
-- 
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