src: Make sure the iterator is inbound before decrementing it

Fixes #2966
2019-06-14 09:17:54 +03:00 · 2019-06-14 09:17:54 +03:00 · 936c21da70
commit 936c21da70
parent 85e2dc6252
1 changed files with 1 additions and 1 deletions
--- a/src/selectors.cc
+++ b/src/selectors.cc
@ -799,7 +799,7 @@ select_argument(const Context& context, const Selection& selection,
        skip_while_reverse(end, begin, is_blank);
    }
    // get starting delimiter for non inner last arg
-    else if (not first_arg and last_arg)
+    else if (not first_arg and last_arg and begin != buffer.begin())
        --begin;

    if (end == buffer.end())