X-Git-Url: https://git.decadent.org.uk/gitweb/?p=odhcp6c.git;a=blobdiff_plain;f=src%2Fodhcp6c.h;h=08a816f4446dd893d89db315bf6f8932200ab2b8;hp=928f82f32e1004502ecaf2b61e8439af9e9716d5;hb=687b3c65c0460dd8c4ba7e63e3ae0ab20836e6e8;hpb=7b22e48fbf23d20d92a4bae581f39ac3704d8bb2

diff --git a/src/odhcp6c.h b/src/odhcp6c.h
index 928f82f..08a816f 100644
--- a/src/odhcp6c.h
+++ b/src/odhcp6c.h
@@ -18,6 +18,7 @@
 
 #define _unused __attribute__((unused))
 #define _packed __attribute__((packed))
+#define __aligned(n) __attribute__((aligned(n)))
 
 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
 
@@ -302,6 +303,14 @@ struct odhcp6c_entry {
 	uint8_t auxtarget[];
 };
 
+// Include padding after auxtarget to align the next entry
+#define odhcp6c_entry_size(entry) \
+	(sizeof(struct odhcp6c_entry) +	(((entry)->auxlen + 3) & ~3))
+
+#define odhcp6c_next_entry(entry) \
+	((struct odhcp6c_entry *)((uint8_t *)(entry) + odhcp6c_entry_size(entry)))
+
+
 struct odhcp6c_request_prefix {
 	uint32_t iaid;
 	uint16_t length;