X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/92b76dca553a98a228f368f8ff6eedc25e33b870..d659fb1c5ce646e10820cfd349d8a4220d1ee67d:/lincan/src/write_rtl.c

diff --git a/lincan/src/write_rtl.c b/lincan/src/write_rtl.c
index a1d4647..70af511 100644
--- a/lincan/src/write_rtl.c
+++ b/lincan/src/write_rtl.c
@@ -47,8 +47,10 @@ ssize_t can_write_rtl_posix(struct rtl_file *fptr, const char *buffer,
 	qends = canuser->qends;
 
 	msg_flags=msg_buff->flags;
-	/* Automatic selection of extended format if "extended" set and ID>2047 */
-	if (extended) if (msg_buff->id & ~0x7ffl ) msg_flags |= MSG_EXT;
+
+	/* Automatic selection of extended format if ID>2047 */
+	if (msg_buff->id & ~0x7ffl & MSG_ID_MASK ) msg_flags |= MSG_EXT;
+	/* has been dependent on "extended" option */
 
 	/* If the output buffer is full, return immediately in case O_NONBLOCK
 	 * has been specified or loop until space becomes available.
@@ -82,8 +84,11 @@ ssize_t can_write_rtl_posix(struct rtl_file *fptr, const char *buffer,
 	while (bytes_to_copy >= sizeof(struct canmsg_t)) {
 		bytes_to_copy -= sizeof(struct canmsg_t);
 		msg_flags=msg_buff->flags;
-		/* Automatic selection of extended format if "extended" set and ID>2047 */
-		if (extended) if (msg_buff->id & ~0x7ffl ) msg_flags |= MSG_EXT;
+
+		/* Automatic selection of extended format if ID>2047 */
+		if (msg_buff->id & ~0x7ffl & MSG_ID_MASK ) msg_flags |= MSG_EXT;
+		/* has been dependent on "extended" option */
+
 		/* Get slot */
 		if(canque_get_inslot4id(qends, &qedge, &slot, 
 			0, msg_buff->id, 0) < 0) break;