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author | Bram Moolenaar <Bram@vim.org> | 2017-08-04 21:37:54 +0200 |
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committer | Bram Moolenaar <Bram@vim.org> | 2017-08-04 21:37:54 +0200 |
commit | 6b7355a30ddd294c19cd9be924d487d592ccfae1 (patch) | |
tree | 94c51538082a4ffe2c0306e6b7422607be5e3696 /src/channel.c | |
parent | 8e5eece8c5f22a2235edeb743d06253f6c54cfdc (diff) | |
download | vim-git-6b7355a30ddd294c19cd9be924d487d592ccfae1.tar.gz |
patch 8.0.0860: side effects when channel appends to a bufferv8.0.0860
Problem: There may be side effects when a channel appends to a buffer that
is not the current buffer.
Solution: Properly switch to another buffer before appending. (Yasuhiro
Matsumoto, closes #1926, closes #1937)
Diffstat (limited to 'src/channel.c')
-rw-r--r-- | src/channel.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/src/channel.c b/src/channel.c index c511f22ed..b19f08992 100644 --- a/src/channel.c +++ b/src/channel.c @@ -2284,7 +2284,9 @@ invoke_one_time_callback( static void append_to_buffer(buf_T *buffer, char_u *msg, channel_T *channel, ch_part_T part) { - buf_T *save_curbuf = curbuf; + bufref_T save_curbuf = {NULL, 0, 0}; + win_T *save_curwin = NULL; + tabpage_T *save_curtab = NULL; linenr_T lnum = buffer->b_ml.ml_line_count; int save_write_to = buffer->b_write_to_channel; chanpart_T *ch_part = &channel->ch_part[part]; @@ -2313,8 +2315,10 @@ append_to_buffer(buf_T *buffer, char_u *msg, channel_T *channel, ch_part_T part) ch_log(channel, "appending line %d to buffer", (int)lnum + 1 - empty); buffer->b_p_ma = TRUE; - curbuf = buffer; - curwin->w_buffer = curbuf; + + /* Save curbuf/curwin/curtab and make "buffer" the current buffer. */ + switch_to_win_for_buf(buffer, &save_curwin, &save_curtab, &save_curbuf); + u_sync(TRUE); /* ignore undo failure, undo is not very useful here */ ignored = u_save(lnum - empty, lnum + 1); @@ -2328,8 +2332,10 @@ append_to_buffer(buf_T *buffer, char_u *msg, channel_T *channel, ch_part_T part) else ml_append(lnum, msg, 0, FALSE); appended_lines_mark(lnum, 1L); - curbuf = save_curbuf; - curwin->w_buffer = curbuf; + + /* Restore curbuf/curwin/curtab */ + restore_win_for_buf(save_curwin, save_curtab, &save_curbuf); + if (ch_part->ch_nomodifiable) buffer->b_p_ma = FALSE; else @@ -2338,7 +2344,6 @@ append_to_buffer(buf_T *buffer, char_u *msg, channel_T *channel, ch_part_T part) if (buffer->b_nwindows > 0) { win_T *wp; - win_T *save_curwin; FOR_ALL_WINDOWS(wp) { |