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authorMatt Caswell <matt@openssl.org>2016-11-18 16:34:01 +0000
committerMatt Caswell <matt@openssl.org>2016-12-05 17:05:40 +0000
commit3171bad66e461052e584e1628693db67b990e94e (patch)
tree9e453c5ad0a658d5717ef9750da9e368a1147d0c /ssl/packet.c
parentc53f7355b93885d1f12237f94b363ad747f03dad (diff)
Add an ability to find out the current write location from a WPACKET
Reviewed-by: Rich Salz <rsalz@openssl.org>
Diffstat (limited to 'ssl/packet.c')
-rw-r--r--ssl/packet.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/ssl/packet.c b/ssl/packet.c
index 5c5513314b..f7b5efa400 100644
--- a/ssl/packet.c
+++ b/ssl/packet.c
@@ -62,7 +62,8 @@ int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
if (BUF_MEM_grow(pkt->buf, newlen) == 0)
return 0;
}
- *allocbytes = GETBUF(pkt) + pkt->curr;
+ if (allocbytes != NULL)
+ *allocbytes = GETBUF(pkt) + pkt->curr;
return 1;
}
@@ -376,6 +377,11 @@ int WPACKET_get_length(WPACKET *pkt, size_t *len)
return 1;
}
+unsigned char *WPACKET_get_curr(WPACKET *pkt)
+{
+ return GETBUF(pkt) + pkt->curr;
+}
+
void WPACKET_cleanup(WPACKET *pkt)
{
WPACKET_SUB *sub, *parent;