[anjuta] sourceview: Report error when location is > 0 for markers (bgo#593954)

[Johannes Schmid <jhs src gnome org>]

commit 37a7fd5e55e88dbaec2e11c8d12938692d00bd1a
Author: Johannes Schmid <jhs gnome org>
Date:   Sat Sep 12 16:36:05 2009 +0200

    sourceview: Report error when location is > 0 for markers (bgo#593954)

 plugins/sourceview/sourceview.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/plugins/sourceview/sourceview.c b/plugins/sourceview/sourceview.c
index 66e0a21..53de0a6 100644
--- a/plugins/sourceview/sourceview.c
+++ b/plugins/sourceview/sourceview.c
@@ -1696,6 +1696,13 @@ imark_mark(IAnjutaMarkable* mark, gint location, IAnjutaMarkableMarker marker,
 {
 	Sourceview* sv = ANJUTA_SOURCEVIEW(mark);
 	SVMark* svmark = g_slice_new0 (SVMark);
+
+	if (location <= 0)
+	{
+		g_set_error (e, IANJUTA_MARKABLE_ERROR, IANJUTA_MARKABLE_INVALID_LOCATION,
+		             "Invalid marker location: %d!", location);
+		return -1;
+	}
 	
 	static gint marker_count = 0;