Respond to code review comments

cmd-capture-pane.c

@@ -29,7 +29,6 @@
 
 static enum cmd_retval	cmd_capture_pane_exec(struct cmd *, struct cmdq_item *);
 
-static char	*cmd_capture_pane_append(char *, size_t *, char *, size_t);
 static char	*cmd_capture_pane_pending(struct args *, struct window_pane *,
 		     size_t *);
 static char	*cmd_capture_pane_history(struct args *, struct cmdq_item *,
@@ -62,15 +61,6 @@ const struct cmd_entry cmd_clear_history_entry = {
 	.exec = cmd_capture_pane_exec
 };
 
-static char *
-cmd_capture_pane_append(char *buf, size_t *len, char *line, size_t linelen)
-{
-	buf = xrealloc(buf, *len + linelen + 1);
-	memcpy(buf + *len, line, linelen);
-	*len += linelen;
-	return (buf);
-}
-
 static char *
 cmd_capture_pane_pending(struct args *args, struct window_pane *wp,
     size_t *len)
@@ -95,11 +85,11 @@ cmd_capture_pane_pending(struct args *args, struct window_pane *wp,
 				tmp[1] = '\0';
 			} else
 				xsnprintf(tmp, sizeof tmp, "\\%03hho", line[i]);
-			buf = cmd_capture_pane_append(buf, len, tmp,
+			buf = append_string(buf, len, tmp,
 			    strlen(tmp));
 		}
 	} else
-		buf = cmd_capture_pane_append(buf, len, line, linelen);
+		buf = append_string(buf, len, line, linelen);
 	return (buf);
 }
 
@@ -184,7 +174,7 @@ cmd_capture_pane_history(struct args *args, struct cmdq_item *item,
 		line = grid_string_cells(gd, 0, i, sx, &gc, flags, wp->screen);
 		linelen = strlen(line);
 
-		buf = cmd_capture_pane_append(buf, len, line, linelen);
+		buf = append_string(buf, len, line, linelen);
 
 		gl = grid_peek_line(gd, i);
 		if (!join_lines || !(gl->flags & GRID_LINE_WRAPPED))

cmd-display-menu.c

@@ -433,7 +433,8 @@ cmd_display_popup_exec(struct cmd *self, struct cmdq_item *item)
 	if (h > tty->sy)
 		h = tty->sy;
 	if (tc->flags & CLIENT_CONTROL) {
-		/* Control clients may not have a window size, so provide a reasonable default so popups can still work. */
+		/* Control clients may not have a window size, so provide a
+		 * reasonable default so popups can still work. */
 		if (w == 0)
 			w = 80;
 		if (h == 0)
@@ -493,7 +494,8 @@ cmd_display_popup_exec(struct cmd *self, struct cmdq_item *item)
 	else if (args_has(args, 'E'))
 		flags |= POPUP_CLOSEEXIT;
 	if (popup_display(flags, lines, item, px, py, w, h, env, shellcmd, argc,
-	    argv, cwd, title, tc, s, style, border_style, NULL, NULL, target->wp) != 0) {
+	    argv, cwd, title, tc, s, style, border_style, NULL, NULL,
+	    target->wp) != 0) {
 		cmd_free_argv(argc, argv);
 		if (env != NULL)
 			environ_free(env);

control-notify.c

@@ -262,7 +262,8 @@ control_notify_paste_buffer_deleted(const char *name)
 }
 
 void
-control_notify_popup(struct client *c, int status, char *buf, size_t len, int wp)
+control_notify_popup(struct client *c, int status, char *buf, size_t len,
+                     int wp)
 {
 	struct evbuffer *message = evbuffer_new();
 

control.c

@@ -227,8 +227,7 @@ control_free_sub(struct control_state *cs, struct control_sub *csub)
 static void
 control_free_block(struct control_state *cs, struct control_block *cb)
 {
-	if (cb->line != NULL)
-		free(cb->line);
+	free(cb->line);
 	if (cb->buffer != NULL)
 		evbuffer_free(cb->buffer);
 	TAILQ_REMOVE(&cs->all_blocks, cb, all_entry);
@@ -421,7 +420,8 @@ control_vwrite_buffer(struct client *c, struct evbuffer *buffer)
 
 /* Frees line and buffer after using them asynchronously. */
 static void
-control_enqueue(struct client *c, struct control_state *cs, char *line, struct evbuffer *buffer)
+control_enqueue(struct client *c, struct control_state *cs, char *line,
+		struct evbuffer *buffer)
 {
 	struct control_block *cb = xcalloc(1, sizeof *cb);
 
@@ -444,7 +444,6 @@ control_write_buffer(struct client *c, struct evbuffer *buffer)
 {
 	struct control_state	*cs = c->control_state;
 	struct control_block	*cb;
-	va_list			 ap;
 
 	if (TAILQ_EMPTY(&cs->all_blocks)) {
 		control_vwrite_buffer(c, buffer);
@@ -452,8 +451,6 @@ control_write_buffer(struct client *c, struct evbuffer *buffer)
 	}
 
 	control_enqueue(c, cs, NULL, buffer);
-
-	va_end(ap);
 }
 
 /* Write a line. */

popup.c

@@ -615,16 +615,6 @@ popup_job_update_cb(struct job *job)
 	evbuffer_drain(evb, size);
 }
 
-// NOTE TO REVIEWER: This is a copy of cmd_capture_pane_append. I think we'd want a shared implementation but I don't know where it should go.
-static char *
-popup_append(char *buf, size_t *len, char *line, size_t linelen)
-{
-	buf = xrealloc(buf, *len + linelen + 1);
-	memcpy(buf + *len, line, linelen);
-	*len += linelen;
-	return (buf);
-}
-
 static void
 popup_notify_control(struct client *c, int status, struct screen *s, int wp)
 {
@@ -643,7 +633,7 @@ popup_notify_control(struct client *c, int status, struct screen *s, int wp)
 		line = grid_string_cells(gd, 0, i, sx, &gc, GRID_STRING_WITH_SEQUENCES, s);
 		linelen = strlen(line);
 
-		buf = popup_append(buf, &len, line, linelen);
+		buf = append_string(buf, &len, line, linelen);
 
 		gl = grid_peek_line(gd, i);
 		if (!(gl->flags & GRID_LINE_WRAPPED))
@@ -679,11 +669,12 @@ popup_job_complete_cb(struct job *job)
 }
 
 int
-popup_display(int flags, enum box_lines lines, struct cmdq_item *item, u_int px,
-    u_int py, u_int sx, u_int sy, struct environ *env, const char *shellcmd,
-    int argc, char **argv, const char *cwd, const char *title, struct client *c,
-    struct session *s, const char *style, const char *border_style,
-    popup_close_cb cb, void *arg, struct window_pane *wp)
+popup_display(int flags, enum box_lines lines, struct cmdq_item *item,
+    u_int px, u_int py, u_int sx, u_int sy, struct environ *env,
+    const char *shellcmd, int argc, char **argv, const char *cwd,
+    const char *title, struct client *c, struct session *s, const char *style,
+    const char *border_style, popup_close_cb cb, void *arg,
+    struct window_pane *wp)
 {
 	struct popup_data	*pd;
 	u_int			 jx, jy;

tmux.c

@@ -319,6 +319,15 @@ find_cwd(void)
 	return (pwd);
 }
 
+char *
+append_string(char *buf, size_t *len, char *line, size_t linelen)
+{
+	buf = xrealloc(buf, *len + linelen + 1);
+	memcpy(buf + *len, line, linelen);
+	*len += linelen;
+	return (buf);
+}
+
 const char *
 find_home(void)
 {

tmux.h

@@ -2213,6 +2213,7 @@ const char	*sig2name(int);
 const char	*find_cwd(void);
 const char	*find_home(void);
 const char	*getversion(void);
+char		*append_string(char *buf, size_t *len, char *line, size_t linelen);
 
 /* proc.c */
 struct imsg;