commit 191f18bad0b5c48afa05c3e8a00f3ced993f6a38
author Bram Moolenaar <Bram@vim.org> Sun Feb 04 16:38:47 2018 +0100
committer Bram Moolenaar <Bram@vim.org> Sun Feb 04 16:38:47 2018 +0100
tree 0aed9e0d035e54bf4446623926d55b7ae524d684
parent fef4ddd5eb8816a6607a624aa401bcfa71a63def

patch 8.0.1468: illegal memory access in del_bytes()

Problem:    Illegal memory access in del_bytes().
Solution:   Check for negative byte count. (Christian Brabandt, closes #2466)

src/message.c

diff --git a/src/message.c b/src/message.c
index 2114033..17a6633 100644
--- a/src/message.c
+++ b/src/message.c
@@ -761,7 +761,7 @@
     void
 iemsg(char_u *s)
 {
-    msg(s);
+    emsg(s);
 #ifdef ABORT_ON_INTERNAL_ERROR
     abort();
 #endif
@@ -4993,7 +4993,7 @@
 			    zero_padding = 0;
 			}
 			else
-                        {
+			{
 			    /* Regular float number */
 			    format[0] = '%';
 			    l = 1;
@@ -5016,7 +5016,7 @@
 			    format[l + 1] = NUL;
 
 			    str_arg_l = sprintf(tmp, format, f);
-                        }
+			}
 
 			if (remove_trailing_zeroes)
 			{