From: Denis Kenzior <denis.kenzior@intel.com>
Date: Sat, 29 Aug 2009 15:44:44 +0000 (-0500)
Subject: Fix a problem with CtrlZ echo
X-Git-Tag: accepted/2.0alpha-wayland/20121110.002834~3280
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b2b6bdad0116ca1c42a72b6cc60a5268e61ff219;p=profile%2Fivi%2Fconnman.git

Fix a problem with CtrlZ echo

When a PDU is submitted and echoed by the modem, the CtrlZ character
is also echoed back.  Fix the parser to handle this case appropriately.
---

diff --git a/gatchat/gatsyntax.c b/gatchat/gatsyntax.c
index 5db01a7..d7c9ee2 100644
--- a/gatchat/gatsyntax.c
+++ b/gatchat/gatsyntax.c
@@ -182,6 +182,16 @@ static GAtSyntaxResult gsmv1_feed(GAtSyntax *syntax,
 		case GSMV1_STATE_GARBAGE:
 			if (byte == '\r')
 				syntax->state = GSMV1_STATE_GARBAGE_CHECK_LF;
+			/* This handles the case of echo of the PDU terminated
+			 * by CtrlZ character
+			 */
+			else if (byte == 26) {
+				syntax->state = GSMV1_STATE_IDLE;
+				res = G_AT_SYNTAX_RESULT_UNRECOGNIZED;
+				i += 1;
+				goto out;
+			}
+
 			break;
 
 		case GSMV1_STATE_GARBAGE_CHECK_LF: