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authorJustin M. Keyes <justinkz@gmail.com>2017-03-20 00:47:27 +0100
committerGitHub <noreply@github.com>2017-03-20 00:47:27 +0100
commit091a99afd43126d5e25fd6ea3f19f531a1b5cb9c (patch)
treeb9cebfa51815137e8c26b9d3581106e551aba81d /src/nvim/cursor.c
parent0cab62ad6fc642c06e4249dccac092dd71b0cb3e (diff)
parent2f54d6927cc02484b528a5e8b25b64c8d6580ddd (diff)
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Merge #6318 from justinmk/pr6244
test/legacy: fix test_normal.vim
Diffstat (limited to 'src/nvim/cursor.c')
-rw-r--r--src/nvim/cursor.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/nvim/cursor.c b/src/nvim/cursor.c
index 3ba9da34f2..544bcf6ede 100644
--- a/src/nvim/cursor.c
+++ b/src/nvim/cursor.c
@@ -294,6 +294,26 @@ linenr_T get_cursor_rel_lnum(win_T *wp, linenr_T lnum)
return (lnum < cursor) ? -retval : retval;
}
+// Make sure "pos.lnum" and "pos.col" are valid in "buf".
+// This allows for the col to be on the NUL byte.
+void check_pos(buf_T *buf, pos_T *pos)
+{
+ char_u *line;
+ colnr_T len;
+
+ if (pos->lnum > buf->b_ml.ml_line_count) {
+ pos->lnum = buf->b_ml.ml_line_count;
+ }
+
+ if (pos->col > 0) {
+ line = ml_get_buf(buf, pos->lnum, false);
+ len = (colnr_T)STRLEN(line);
+ if (pos->col > len) {
+ pos->col = len;
+ }
+ }
+}
+
/*
* Make sure curwin->w_cursor.lnum is valid.
*/