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authorSean Dewar <seandewar@users.noreply.github.com>2023-06-23 22:32:07 +0100
committerSean Dewar <seandewar@users.noreply.github.com>2023-07-05 08:33:32 +0100
commitaa4e47f704c53ab1d825260d2bf34e2872e3ca89 (patch)
tree872bb909c1001e59a16783e973a0e0bb831417e8 /src/nvim/api/buffer.c
parent77118d0da8badc4135be430f4cbb15bc95bc760f (diff)
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fix(api): disallow some more functions during textlock
Problem: nvim_buf_set_text(), nvim_open_term() and termopen() all change buffer text, which is forbidden during textlock. Additionally, nvim_open_term() and termopen() may be used to convert the cmdwin buffer into a terminal buffer, which is weird. Solution: Allow nvim_buf_set_text() and nvim_open_term() in the cmdwin, but disallow nvim_open_term() from converting the cmdwin buffer into a terminal buffer. termopen() is not allowed in the cmdwin (as it always operates on curbuf), so just check text_locked(). Also happens to improve the error in #21055: nvim_buf_set_text() was callable during textlock, but happened to check textlock indirectly via u_save(); however, this caused the error to be overwritten by an unhelpful "Failed to save undo information" message when msg_list == NULL (e.g: an `<expr>` mapping invoked outside of do_cmdline()).
Diffstat (limited to 'src/nvim/api/buffer.c')
-rw-r--r--src/nvim/api/buffer.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/nvim/api/buffer.c b/src/nvim/api/buffer.c
index 7cd9686544..02b97b0ae1 100644
--- a/src/nvim/api/buffer.c
+++ b/src/nvim/api/buffer.c
@@ -515,6 +515,7 @@ end:
void nvim_buf_set_text(uint64_t channel_id, Buffer buffer, Integer start_row, Integer start_col,
Integer end_row, Integer end_col, ArrayOf(String) replacement, Error *err)
FUNC_API_SINCE(7)
+ FUNC_API_TEXTLOCK_ALLOW_CMDWIN
{
MAXSIZE_TEMP_ARRAY(scratch, 1);
if (replacement.size == 0) {