From 2d1214ef46a69f891415a3004412c41e12cebc17 Mon Sep 17 00:00:00 2001
From: "Justin M. Keyes" <justinkz@gmail.com>
Date: Sat, 5 Jan 2019 23:16:16 +0100
Subject: [PATCH] PVS/V501: diff.c: silence warning

False positive: vim_fgets has side effects.

ref 8586770e1fd8
---
 src/nvim/diff.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/nvim/diff.c b/src/nvim/diff.c
index e0cd285667..866161e5cf 100644
--- a/src/nvim/diff.c
+++ b/src/nvim/diff.c
@@ -1542,7 +1542,7 @@ static void diff_read(int idx_orig, int idx_new, diffout_T *dout)
       } else if ((STRNCMP(line, "@@ ", 3) == 0)) {
         diffstyle = DIFF_UNIFIED;
       } else if ((STRNCMP(line, "--- ", 4) == 0)
-                 && (vim_fgets(linebuf, LBUFLEN, fd) == 0)
+                 && (vim_fgets(linebuf, LBUFLEN, fd) == 0)  // -V501
                  && (STRNCMP(line, "+++ ", 4) == 0)
                  && (vim_fgets(linebuf, LBUFLEN, fd) == 0)  // -V501
                  && (STRNCMP(line, "@@ ", 3) == 0)) {