nano

commit a1fba434520be4320cfe76d0a62fb3bd42658e2d
parent 0e4cbd4bfd2c40c99710f894f5f3d5a4cfe1b816
Author: Benno Schulenberg <bensberg@telfort.nl>
Date:   Thu, 20 Jul 2017 09:41:27 +0200

pasting: restore the cap on the number of chunks to move backward

This fixes https://savannah.gnu.org/bugs/?51514.

Diffstat:
M
src/winio.c
 | 
4
++++

1 file changed, 4 insertions(+), 0 deletions(-)
diff --git a/src/winio.c b/src/winio.c
@@ -2803,6 +2803,10 @@ int go_back_chunks(int nrows, filestruct **line, size_t *leftedge)
 {
     int i;
 
+    /* Don't move more chunks than the window can hold. */
+    if (nrows > editwinrows - 1)
+	nrows = (editwinrows < 2) ? 1 : editwinrows - 1;
+
 #ifndef NANO_TINY
     if (ISSET(SOFTWRAP)) {
 	/* Recede through the requested number of chunks. */