From f2c490cc233d2d55cd7c1eade9431d9711de375d Mon Sep 17 00:00:00 2001 From: Tim Hentenaar Date: Mon, 4 May 2026 07:29:32 +0000 Subject: [PATCH] XmString: DrawLine: If there's only a single segment, don't deref Even in an unoptimized string, if there's only a single segment, the line itself will be that segment, so dereferencing line here is broken for that case. --- lib/Xm/XmString.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/lib/Xm/XmString.c b/lib/Xm/XmString.c index 3e4410a7..aed38e37 100644 --- a/lib/Xm/XmString.c +++ b/lib/Xm/XmString.c @@ -3735,7 +3735,9 @@ DrawLine( Boolean set_direction = False; XmDirection lay_dir = prim_dir; /* layout direction of this line */ - seg = _XmEntrySegmentGet(line)[seg_index]; + if (_XmEntryMultiple(line)) + seg = _XmEntrySegment(line)[seg_index]; + else seg = (_XmStringNREntry)line; if (_XmEntryType(seg) != XmSTRING_ENTRY_OPTIMIZED) { lay_dir = _XmEntryLayoutGet(seg, prim_dir);