Renaming three flags for clarity.

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5268 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

 2015-06-27  Benno Schulenberg  <bensberg@justemail.net>
 	* src/text.c (do_undo, add_undo): Skip undoing a backspace *only* when
 	it really tried to delete the final, magic newline.
+	* src/nano.h, src/text.c: Rename three flags for clarity.
 
 2015-06-23  Benno Schulenberg  <bensberg@justemail.net>
 	* src/winio.c (edit_draw): Verify that there exists multidata for the

src/nano.h

@@ -569,10 +569,10 @@ enum
 /* An imaginary key for when we get a SIGWINCH (window resize). */
 #define KEY_WINCH -2
 
-/* Some extra bits for the undo function. */
-#define SKIP_FINAL_BACKSPACE	(1<<1)
-#define UNcut_marked_forward	(1<<2)
-#define UNcut_cutline		(1<<3)
+/* Some extra flags for the undo function. */
+#define WAS_FINAL_BACKSPACE	(1<<1)
+#define WAS_MARKED_FORWARD	(1<<2)
+#define WAS_WHOLE_LINE		(1<<3)
 #endif /* !NANO_TINY */
 
 /* The maximum number of entries displayed in the main shortcut list. */

src/text.c

@@ -393,14 +393,14 @@ void undo_cut(undo *u)
 	return;
 
     /* Get to where we need to uncut from. */
-    if (u->xflags == UNcut_cutline)
+    if (u->xflags == WAS_WHOLE_LINE)
 	goto_line_posx(u->mark_begin_lineno, 0);
     else
 	goto_line_posx(u->mark_begin_lineno, u->mark_begin_x);
 
     copy_from_filestruct(u->cutbuffer);
 
-    if (u->xflags != UNcut_marked_forward && u->type != PASTE)
+    if (u->xflags != WAS_MARKED_FORWARD && u->type != PASTE)
 	goto_line_posx(u->mark_begin_lineno, u->mark_begin_x);
 }
 
@@ -424,7 +424,7 @@ void redo_cut(undo *u)
 
     openfile->mark_set = TRUE;
     openfile->mark_begin = fsfromline(u->mark_begin_lineno);
-    openfile->mark_begin_x = (u->xflags == UNcut_cutline) ? 0 : u->mark_begin_x;
+    openfile->mark_begin_x = (u->xflags == WAS_WHOLE_LINE) ? 0 : u->mark_begin_x;
 
     do_cut_text(FALSE, FALSE, TRUE);
 
@@ -503,7 +503,7 @@ void do_undo(void)
 	undidmsg = _("line join");
 	/* When the join was done by a Backspace at the tail of the file,
 	 * don't actually add another line; just position the cursor. */
-	if (ISSET(NO_NEWLINES) || u->xflags != SKIP_FINAL_BACKSPACE) {
+	if (ISSET(NO_NEWLINES) || u->xflags != WAS_FINAL_BACKSPACE) {
 	    t = make_new_node(f);
 	    t->data = mallocstrcpy(NULL, u->strdata);
 	    data = mallocstrncpy(NULL, f->data, u->mark_begin_x + 1);
@@ -938,7 +938,7 @@ void add_undo(undo_type action)
 	/* If the next line is the magic line, don't ever undo this
 	 * backspace, as it won't actually have deleted anything. */
 	if (fs->current->next == fs->filebot && fs->current->data[0] != '\0')
-	    u->xflags = SKIP_FINAL_BACKSPACE;
+	    u->xflags = WAS_FINAL_BACKSPACE;
     case DEL:
 	if (u->begin != strlen(fs->current->data)) {
 	    char *char_buf = charalloc(mb_cur_max() + 1);
@@ -985,7 +985,7 @@ void add_undo(undo_type action)
 	else if (!ISSET(CUT_TO_END)) {
 	    /* The entire line is being cut regardless of the cursor position. */
 	    u->begin = 0;
-	    u->xflags = UNcut_cutline;
+	    u->xflags = WAS_WHOLE_LINE;
 	}
 	break;
     case PASTE:
@@ -1104,7 +1104,7 @@ fprintf(stderr, "  >> Updating... action = %d, fs->last_action = %d, openfile->c
 		u->lineno = u->mark_begin_lineno;
 		u->mark_begin_lineno = line;
 	    } else
-		u->xflags = UNcut_marked_forward;
+		u->xflags = WAS_MARKED_FORWARD;
 	} else {
 	    /* Compute cutbottom for the uncut using our copy. */
 	    u->cutbottom = u->cutbuffer;