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authorJustin M. Keyes <justinkz@gmail.com>2019-09-01 22:04:20 -0700
committerGitHub <noreply@github.com>2019-09-01 22:04:20 -0700
commit299331490eb037d355e58efbff8e9a7f3e026431 (patch)
tree427e35ba1f87cd697b12317c97fccf2a2bff1a93 /src/nvim/api/buffer.c
parent5f23a3dbcf6776eb17757cd879ed0b22b81829ff (diff)
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API: nvim_buf_set_lines: handle 'nomodifiable' #10910
Diffstat (limited to 'src/nvim/api/buffer.c')
-rw-r--r--src/nvim/api/buffer.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/nvim/api/buffer.c b/src/nvim/api/buffer.c
index 41d7d8ba6b..690497159a 100644
--- a/src/nvim/api/buffer.c
+++ b/src/nvim/api/buffer.c
@@ -453,6 +453,11 @@ void nvim_buf_set_lines(uint64_t channel_id,
aco_save_T aco;
aucmd_prepbuf(&aco, (buf_T *)buf);
+ if (!MODIFIABLE(buf)) {
+ api_set_error(err, kErrorTypeException, "Buffer is not 'modifiable'");
+ goto end;
+ }
+
if (u_save((linenr_T)(start - 1), (linenr_T)end) == FAIL) {
api_set_error(err, kErrorTypeException, "Failed to save undo information");
goto end;