diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/nvim/api/buffer.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/nvim/api/buffer.c b/src/nvim/api/buffer.c index c9ada8dfc0..915c5f74d7 100644 --- a/src/nvim/api/buffer.c +++ b/src/nvim/api/buffer.c @@ -108,7 +108,7 @@ ArrayOf(String) buffer_get_line_slice(Buffer buffer, Array rv = ARRAY_DICT_INIT; buf_T *buf = find_buffer_by_handle(buffer, err); - if (!buf) { + if (!buf || !inbounds(buf, start)) { return rv; } @@ -179,6 +179,11 @@ void buffer_set_line_slice(Buffer buffer, return; } + if (!inbounds(buf, start)) { + api_set_error(err, Validation, _("Index out of bounds")); + return; + } + start = normalize_index(buf, start) + (include_start ? 0 : 1); include_end = include_end || (end >= buf->b_ml.ml_line_count); end = normalize_index(buf, end) + (include_end ? 1 : 0); @@ -550,3 +555,10 @@ static int64_t normalize_index(buf_T *buf, int64_t index) index = index > buf->b_ml.ml_line_count ? buf->b_ml.ml_line_count : index; return index; } + +// Returns true if the 0-indexed `index` is within the 1-indexed buffer bounds. +static bool inbounds(buf_T *buf, int64_t index) +{ + linenr_T nlines = buf->b_ml.ml_line_count; + return index >= -nlines && index < nlines; +} |