From d6055480175938d9d8d968db326469833cff5bf3 Mon Sep 17 00:00:00 2001
From: Michael Forney <mforney@mforney.org>
Date: Wed, 20 Nov 2019 01:10:10 -0800
Subject: Avoid a couple VLAs with constant size

These are really just regular arrays masquerading as VLAs.
---
 local.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

(limited to 'local.c')

diff --git a/local.c b/local.c
index 6ef452b..c147259 100644
--- a/local.c
+++ b/local.c
@@ -165,8 +165,7 @@ size_t localUnix(int fds[], size_t cap, const char *path) {
 }
 
 static int recvfd(int sock) {
-	size_t len = CMSG_SPACE(sizeof(int));
-	char buf[len];
+	char buf[CMSG_SPACE(sizeof(int))];
 
 	char x;
 	struct iovec iov = { .iov_base = &x, .iov_len = 1 };
@@ -174,7 +173,7 @@ static int recvfd(int sock) {
 		.msg_iov = &iov,
 		.msg_iovlen = 1,
 		.msg_control = buf,
-		.msg_controllen = len,
+		.msg_controllen = sizeof(buf),
 	};
 	if (0 > recvmsg(sock, &msg, 0)) return -1;
 
-- 
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