From e1744e03a55945748f16c969f40471ce4a00c216 Mon Sep 17 00:00:00 2001
From: Christopher Chang <chrchang523@gmail.com>
Date: Tue, 3 Dec 2024 20:13:14 -0500
Subject: [PATCH] --sort-vars forced-QUAL/FILTER segfault fix

---
 2.0/plink2.cc      | 6 +++---
 2.0/plink2_data.cc | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/2.0/plink2.cc b/2.0/plink2.cc
index a929626e..e11f420c 100644
--- a/2.0/plink2.cc
+++ b/2.0/plink2.cc
@@ -44,7 +44,7 @@
 namespace plink2 {
 #endif
 
-static const char ver_str[] = "PLINK v2.0.0-a.5.19"
+static const char ver_str[] = "PLINK v2.0.0-a.5.20"
 #ifdef NOLAPACK
   "NL"
 #elif defined(LAPACK_ILP64)
@@ -72,10 +72,10 @@ static const char ver_str[] = "PLINK v2.0.0-a.5.19"
 #elif defined(USE_AOCL)
   " AMD"
 #endif
-  " (24 Nov 2024)";
+  " (3 Dec 2024)";
 static const char ver_str2[] =
   // include leading space if day < 10, so character length stays the same
-  ""
+  " "
 
 #ifdef NOLAPACK
 #elif defined(LAPACK_ILP64)
diff --git a/2.0/plink2_data.cc b/2.0/plink2_data.cc
index 2dc4ea92..b14af8de 100644
--- a/2.0/plink2_data.cc
+++ b/2.0/plink2_data.cc
@@ -8264,7 +8264,7 @@ PglErr WritePvarResortedInterval(const ChrInfo* write_cip, const uint32_t* varia
 
       if (write_qual) {
         *cswritep++ = '\t';
-        if (!IsSet(qual_present, variant_uidx)) {
+        if ((!qual_present) || (!IsSet(qual_present, variant_uidx))) {
           *cswritep++ = '.';
         } else {
           cswritep = ftoa_g(quals[variant_uidx], cswritep);
@@ -8273,7 +8273,7 @@ PglErr WritePvarResortedInterval(const ChrInfo* write_cip, const uint32_t* varia
 
       if (write_filter) {
         *cswritep++ = '\t';
-        if (!IsSet(filter_present, variant_uidx)) {
+        if ((!filter_present) || (!IsSet(filter_present, variant_uidx))) {
           *cswritep++ = '.';
         } else if (!IsSet(filter_npass, variant_uidx)) {
           cswritep = strcpya_k(cswritep, "PASS");