read(2) works on ssize_t so we should use this rather than size_t for our buffers. A DHCP or ARP packet still easily fits into this.

1 files changed, 2 insertions, 2 deletions

diff --git a/arp.c b/arp.c
index 3db15580..160acf19 100644
--- a/arp.c
+++ b/arp.c
@@ -126,8 +126,8 @@ arp_claim(struct interface *iface, struct in_addr address)
 		{ -1, POLLIN, 0 },
 		{ -1, POLLIN, 0 }
 	};
-	size_t bufpos = 0;
-	size_t buflen = iface->buffer_length;
+	ssize_t bufpos = 0;
+	ssize_t buflen = iface->buffer_length;
 	int bytes;
 	int s = 0;
 	struct timeval stopat;