From 70223babb056f3e03cc32034f5dd1b3d719d56dd Mon Sep 17 00:00:00 2001
From: dundargoc <33953936+dundargoc@users.noreply.github.com>
Date: Sat, 3 Jul 2021 16:50:05 +0200
Subject: PVS/V1051: Ignore "modulo by 1" warning for ARRAY_SIZE. (#14943)

The warning is triggered by the second division when arr is a char array
since sizeof(char) is 1. A modulo by 1 may normally indicate a logic
error, but in this case it's intended.
---
 src/nvim/macros.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src')

diff --git a/src/nvim/macros.h b/src/nvim/macros.h
index e718254fb9..48a16ed42a 100644
--- a/src/nvim/macros.h
+++ b/src/nvim/macros.h
@@ -133,6 +133,8 @@
 /// error. A mechanism to detect many (though not all) of those errors at
 /// compile time is implemented. It works by the second division producing
 /// a division by zero in those cases (-Wdiv-by-zero in GCC).
+///
+/// -V:ARRAY_SIZE:1063
 #define ARRAY_SIZE(arr) \
     ((sizeof(arr)/sizeof((arr)[0])) \
      / ((size_t)(!(sizeof(arr) % sizeof((arr)[0])))))
-- 
cgit