commit f5d639a8af719eb8ecb141b5c0890627e4d83134
author Dominique Pelle <dominique.pelle@gmail.com> Wed Jan 12 15:24:40 2022 +0000
committer Bram Moolenaar <Bram@vim.org> Wed Jan 12 15:24:40 2022 +0000
tree 2890e8ac277b77edd6cb76464a54ff30af478d3f
parent 5d9826973d9f4c6ffbb5648676bb628660c62906

patch 8.2.4070: using uninitialized memory when reading empty file

Problem:    Using uninitialized memory when reading empty file.
Solution:   Check for empty file before checking for NL. (Dominique Pellé,
            closes #9511)

src/filepath.c

diff --git a/src/filepath.c b/src/filepath.c
index eb5b8e0..add74b4 100644
--- a/src/filepath.c
+++ b/src/filepath.c
@@ -1796,7 +1796,7 @@
 		p < buf + readlen || (readlen <= 0 && (prevlen > 0 || binary));
 		++p)
 	{
-	    if (*p == '\n' || readlen <= 0)
+	    if (readlen <= 0 || *p == '\n')
 	    {
 		listitem_T  *li;
 		char_u	    *s	= NULL;