cleaning up code

buffer.c

@@ -10,6 +10,7 @@
 #include "buffer.h"
 #include "core.h"
 #include "editor.h"
+#include "undo.h"
 
 
 #define		NO_NAME		 "[No Name]"
@@ -240,7 +241,8 @@ buffer_list_resize(void)
 	buffer	**newlist = NULL;
 
 	if (editor.bufcount == editor.bufcap) {
-        editor.bufcap = (size_t)cap_growth((int)editor.bufcap, (int)editor.bufcount + 1);
+		editor.bufcap = (size_t)cap_growth((int)editor.bufcap,
+			(int)editor.bufcount + 1);
 
 		newlist = realloc(editor.buffers, sizeof(buffer *) * editor.bufcap);
 		assert(newlist != NULL);
@@ -273,6 +275,8 @@ buffer_add_empty(void)
 	buf->mark_curx = 0;
 	buf->mark_cury = 0;
 
+	undo_tree_init(&buf->tree);
+
 	editor.buffers[editor.bufcount] = buf;
 	idx                             = (int)editor.bufcount;
 	editor.bufcount++;
@@ -280,20 +284,13 @@ buffer_add_empty(void)
 }
 
 
-void
-buffer_save_current(void)
-{
-    /* No-op: editor no longer mirrors per-buffer fields */
-    (void)editor;
-}
-
-
 buffer *
 buffer_current(void)
 {
 	if (editor.bufcount == 0 || editor.curbuf >= editor.bufcount) {
 		return NULL;
 	}
+
 	return editor.buffers[editor.curbuf];
 }
 
@@ -464,3 +461,4 @@ buffer_switch_by_name(void)
 
 	free(name);
 }
+

buffer.h

@@ -19,9 +19,7 @@ typedef struct buffer {
 } buffer;
 
 
-/* Access current buffer and convenient aliases for file-specific fields */
 buffer				*buffer_current(void);
-
 #define CURBUF			(buffer_current())
 #define EROW			(CURBUF->row)
 #define ENROWS			(CURBUF->nrows)

core.c

@@ -7,6 +7,7 @@
 
 #include "core.h"
 
+
 #ifdef	INCLUDE_STRNSTR
 /*
  * Find the first occurrence of find in s, where the search is limited to the
@@ -111,3 +112,4 @@ die(const char* s)
 	perror(s);
 	exit(1);
 }
+

editor.c

@@ -79,7 +79,6 @@ init_editor(void)
 void
 reset_editor(void)
 {
-	/* Reset the current buffer's contents/state. */
 	buffer *b = buffer_current();
 	if (b == NULL) {
 		return;
@@ -91,6 +90,7 @@ reset_editor(void)
 		}
 		free(b->row);
 	}
+
 	b->row = NULL;
 	b->nrows = 0;
 	b->rowoffs = 0;
@@ -107,3 +107,4 @@ reset_editor(void)
 	b->mark_curx = 0;
 	b->mark_cury = 0;
 }
+

main.c

@@ -1719,12 +1719,10 @@ editor_openfile(void)
 	cur = buffer_current();
 	if (editor.bufcount == 1 && buffer_is_unnamed_and_empty(cur)) {
 		open_file(filename);
-		buffer_save_current();
 	} else {
 		nb = buffer_add_empty();
 		buffer_switch(nb);
 		open_file(filename);
-		buffer_save_current();
 	}
 
 	free(filename);
@@ -2891,7 +2889,6 @@ main(int argc, char *argv[])
 				pending_line = 0;
 			}
 
-			buffer_save_current();
 			first_loaded = 1;
 		} else {
 			nb = buffer_add_empty();
@@ -2901,8 +2898,6 @@ main(int argc, char *argv[])
 				jump_to_position(0, pending_line - 1);
 				pending_line = 0;
 			}
-
-			buffer_save_current();
 		}
 	}
 

term.c

@@ -84,3 +84,4 @@ get_winsz(size_t *rows, size_t *cols)
 
     return 0;
 }
+

term.h

@@ -3,6 +3,7 @@
 
 #include "abuf.h"
 
+
 /* Terminal control/setup API */
 void enable_termraw(void);
 void disable_termraw(void);
@@ -19,4 +20,5 @@ void display_clear(abuf *ab);
  */
 int  get_winsz(size_t *rows, size_t *cols);
 
+
 #endif /* KE_TERM_H */