Fix a linenoise bug when moving off the left

If the buffer is too big to fit in the window and the cursor
would move off the left edge of the windows, the display
is not shown correctly.

Signed-off-by: Steve Bennett <steveb@workware.net.au>

diff --git a/linenoise.c b/linenoise.c
index ba8ab2a3e3af4b2921e2e90a86bb0d0c225772f4..5c1672a08c9523cf80345ed39c82b60c0eb48700 100644 (file)
--- a/linenoise.c
+++ b/linenoise.c
@@ -700,7 +700,7 @@ static void refreshLine(const char *prompt, struct current *current)
         n++;
     }
 
-    while (n >= current->cols) {
+    while (n >= current->cols && pos > 0) {
         b = utf8_tounicode(buf, &ch);
         if (ch < ' ') {
             n--;