Subject: Preserve one byte for end of string character in form_update_line()
From: Tatsuya Kinoshita <tats@debian.org>
Bug-Debian: https://github.com/tats/w3m/issues/68#issuecomment-266214643
Origin: https://anonscm.debian.org/cgit/collab-maint/w3m.git/commit/?id=eb4130a7cd2202de6aeb772b7e4f2a417dbff173

---
 form.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/form.c b/form.c
index 162439a..0605513 100644
--- a/form.c
+++ b/form.c
@@ -320,7 +320,8 @@ form_update_line(Line *line, char **str, int spos, int epos, int width,
     pos += width - w;
 
     len = line->len + pos + spos - epos;
-    buf = New_N(char, len);
+    buf = New_N(char, len + 1);
+    buf[len] = '\0';
     prop = New_N(Lineprop, len);
     bcopy((void *)line->lineBuf, (void *)buf, spos * sizeof(char));
     bcopy((void *)line->propBuf, (void *)prop, spos * sizeof(Lineprop));
-- 
2.10.2