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fix(api): allow negative column arguments for nvim_buf_set_text (#23501)

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notomo
2023-07-04 23:07:55 +09:00
committed by GitHub
parent cf5f1492d7
commit 3ecd45ded0
2 changed files with 6 additions and 0 deletions
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2
src/nvim/api/buffer.c
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@@ -547,6 +547,7 @@ void nvim_buf_set_text(uint64_t channel_id, Buffer buffer, Integer start_row, In
// Another call to ml_get_buf() may free the line, so make a copy.
str_at_start = xstrdup(ml_get_buf(buf, (linenr_T)start_row, false));
size_t len_at_start = strlen(str_at_start);
start_col = start_col < 0 ? (int64_t)len_at_start + start_col + 1 : start_col;
VALIDATE_RANGE((start_col >= 0 && (size_t)start_col <= len_at_start), "start_col", {
goto early_end;
});
@@ -554,6 +555,7 @@ void nvim_buf_set_text(uint64_t channel_id, Buffer buffer, Integer start_row, In
// Another call to ml_get_buf() may free the line, so make a copy.
str_at_end = xstrdup(ml_get_buf(buf, (linenr_T)end_row, false));
size_t len_at_end = strlen(str_at_end);
end_col = end_col < 0 ? (int64_t)len_at_end + end_col + 1 : end_col;
VALIDATE_RANGE((end_col >= 0 && (size_t)end_col <= len_at_end), "end_col", {
goto early_end;
});