patch 7.4.1465
Problem: Coverity reported possible use of NULL pointer when using buffer
output with JSON mode.
Solution: Make it actually possible to use JSON mode with a buffer.
Re-encode the JSON to append it to the buffer.
diff --git a/src/channel.c b/src/channel.c
index a1ea6b8..b6a968b 100644
--- a/src/channel.c
+++ b/src/channel.c
@@ -926,8 +926,9 @@
if ((opt->jo_set & JO_OUT_IO) && opt->jo_io[PART_OUT] == JIO_BUFFER)
{
- /* writing output to a buffer. Force mode to NL. */
- channel->ch_part[PART_OUT].ch_mode = MODE_NL;
+ /* writing output to a buffer. Default mode is NL. */
+ if (!(opt->jo_set & JO_OUT_MODE))
+ channel->ch_part[PART_OUT].ch_mode = MODE_NL;
channel->ch_part[PART_OUT].ch_buffer =
find_buffer(opt->jo_io_name[PART_OUT]);
ch_logs(channel, "writing to buffer '%s'",
@@ -1560,32 +1561,38 @@
u_sync(TRUE);
u_save(lnum, lnum + 1);
- ml_append(lnum, msg, 0, FALSE);
- appended_lines_mark(lnum, 1L);
- curbuf = save_curbuf;
-
- if (buffer->b_nwindows > 0)
+ if (msg == NULL)
+ /* JSON or JS mode: re-encode the message. */
+ msg = json_encode(listtv, ch_mode);
+ if (msg != NULL)
{
- win_T *wp;
- win_T *save_curwin;
+ ml_append(lnum, msg, 0, FALSE);
+ appended_lines_mark(lnum, 1L);
+ curbuf = save_curbuf;
- FOR_ALL_WINDOWS(wp)
+ if (buffer->b_nwindows > 0)
{
- if (wp->w_buffer == buffer
- && wp->w_cursor.lnum == lnum
- && wp->w_cursor.col == 0)
+ win_T *wp;
+ win_T *save_curwin;
+
+ FOR_ALL_WINDOWS(wp)
{
- ++wp->w_cursor.lnum;
- save_curwin = curwin;
- curwin = wp;
- curbuf = curwin->w_buffer;
- scroll_cursor_bot(0, FALSE);
- curwin = save_curwin;
- curbuf = curwin->w_buffer;
+ if (wp->w_buffer == buffer
+ && wp->w_cursor.lnum == lnum
+ && wp->w_cursor.col == 0)
+ {
+ ++wp->w_cursor.lnum;
+ save_curwin = curwin;
+ curwin = wp;
+ curbuf = curwin->w_buffer;
+ scroll_cursor_bot(0, FALSE);
+ curwin = save_curwin;
+ curbuf = curwin->w_buffer;
+ }
}
+ redraw_buf_later(buffer, VALID);
+ channel_need_redraw = TRUE;
}
- redraw_buf_later(buffer, VALID);
- channel_need_redraw = TRUE;
}
}
if (callback != NULL)