# HG changeset patch
# User Roy Marples <roy@marples.name>
# Date 1597602108 -3600
# Node ID 66a1c1c34366ac8ae070fd462db597a20f7a8e03
# Parent  0229b76cea16010a75c1fad25c6a4c46c83d1a80
Use a minimum bufsize of 1 as 0 doesn't work on some OS.

diff -r 0229b76cea16 -r 66a1c1c34366 src/privsep-root.c
--- a/src/privsep-root.c	Sun Aug 16 18:52:17 2020 +0100
+++ b/src/privsep-root.c	Sun Aug 16 19:21:48 2020 +0100
@@ -645,7 +645,7 @@
 	 * Reading from it just to drain it is a waste of CPU time. */
 #ifdef INET
 	if (ctx->options & DHCPCD_IPV4) {
-		int buflen = 0;
+		int buflen = 1;
 
 		ctx->udp_wfd = xsocket(PF_INET,
 		    SOCK_RAW | SOCK_CXNB, IPPROTO_UDP);
@@ -658,7 +658,7 @@
 #endif
 #ifdef INET6
 	if (ctx->options & DHCPCD_IPV6) {
-		int buflen = 0;
+		int buflen = 1;
 
 		ctx->nd_fd = ipv6nd_open(false);
 		if (ctx->nd_fd == -1)
@@ -670,7 +670,7 @@
 #endif
 #ifdef DHCP6
 	if (ctx->options & DHCPCD_IPV6) {
-		int buflen = 0;
+		int buflen = 1;
 
 		ctx->dhcp6_wfd = dhcp6_openraw();
 		if (ctx->dhcp6_wfd == -1)