vis

a vi-like editor based on Plan 9's structural regular expressions

git clone https://9o.is/git/vis.git

commit 309672a0255bc2c6a453e0df753b9358855deb0d
parent aea3c7cb1142ec6c077000452c51cd9ba29c9d92
Author: Marc André Tanner <mat@brain-dump.org>
Date:   Sun, 28 Sep 2014 10:58:20 +0200

Improve argument validation in text_insert

Diffstat:

Mtext.c | 2++


1 file changed, 2 insertions(+), 0 deletions(-)

diff --git a/text.c b/text.c
@@ -504,6 +504,8 @@ static void change_free(Change *c) {
  *      \-+ <-- +-----+ <-- +---------------+ <-- +-/
  */
 bool text_insert(Text *txt, size_t pos, const char *data, size_t len) {
+	if (len == 0)
+		return true;
 	if (pos > txt->size)
 		return false;
 	if (pos < txt->lines.pos)