X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fpacket.c;fp=source%2Fpacket.c;h=e78b095b512e0850eeaa2dba911db157f3bfa83d;hb=e7d4e2a75e75ff1a152912f0c19fb72ed63e81bc;hp=d31a631d26417db3ee5e6cd3148dc7a005f8b50a;hpb=1ca901ed93a40c38c489bb6407f23991a947b56a;p=gldbg.git

diff --git a/source/packet.c b/source/packet.c
index d31a631..e78b095 100644
--- a/source/packet.c
+++ b/source/packet.c
@@ -193,7 +193,14 @@ void packet_write_pointer(GlPacket *pkt, const void *p)
 
 void packet_write_data(GlPacket *pkt, const void *data, unsigned size)
 {
-	if(data)
+	if(!data)
+		packet_write_int(pkt, 0);
+	else if((unsigned long)data<0x100000)
+	{
+		packet_write_int(pkt, ~0);
+		packet_write_pointer(pkt, data);
+	}
+	else
 	{
 		GlOutPacket *out = &pkt->out;
 
@@ -205,8 +212,6 @@ void packet_write_data(GlPacket *pkt, const void *data, unsigned size)
 		++out->vec;
 		out->vec->iov_base = out->ptr;
 	}
-	else
-		packet_write_int(pkt, 0);
 }
 
 void packet_write_string(GlPacket *pkt, const char *s)
@@ -408,13 +413,17 @@ void packet_read_data(GlPacket *pkt, const void **v)
 	int vlen;
 
 	packet_read_int(pkt, &vlen);
-	if(vlen)
+	if(vlen==~0)
+		packet_read_pointer(pkt, v);
+	else if(vlen)
+	{
 		*v = in->ptr;
+		in->ptr += vlen;
+		in->chunk -= vlen;
+		in->length -= vlen;
+	}
 	else
 		*v = NULL;
-	in->ptr += vlen;
-	in->chunk -= vlen;
-	in->length -= vlen;
 }
 
 void packet_read_string(GlPacket *pkt, const char **v)