From a9c688ac923ea63c14f4a9dbf74a4aedb4d65459 Mon Sep 17 00:00:00 2001
From: Heng Li <lh3@me.com>
Date: Mon, 31 Jul 2017 07:55:35 -0400
Subject: [PATCH] r1181: fixed a segfault (#145) due to (#138)

---
 bwamem.c | 2 +-
 main.c   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/bwamem.c b/bwamem.c
index 69be769..d7c00fe 100644
--- a/bwamem.c
+++ b/bwamem.c
@@ -905,7 +905,7 @@ void mem_aln2sam(const mem_opt_t *opt, const bntseq_t *bns, kstring_t *str, bseq
 		kputsn("\tNM:i:", 6, str); kputw(p->NM, str);
 		kputsn("\tMD:Z:", 6, str); kputs((char*)(p->cigar + p->n_cigar), str);
 	}
-	if (m->n_cigar) { kputsn("\tMC:Z:", 6, str); add_cigar(opt, m, str, which); }
+	if (m && m->n_cigar) { kputsn("\tMC:Z:", 6, str); add_cigar(opt, m, str, which); }
 	if (p->score >= 0) { kputsn("\tAS:i:", 6, str); kputw(p->score, str); }
 	if (p->sub >= 0) { kputsn("\tXS:i:", 6, str); kputw(p->sub, str); }
 	if (bwa_rg_id[0]) { kputsn("\tRG:Z:", 6, str); kputs(bwa_rg_id, str); }
diff --git a/main.c b/main.c
index 21bff9b..e2b7cf1 100644
--- a/main.c
+++ b/main.c
@@ -4,7 +4,7 @@
 #include "utils.h"
 
 #ifndef PACKAGE_VERSION
-#define PACKAGE_VERSION "0.7.16-r1180"
+#define PACKAGE_VERSION "0.7.16a-r1181"
 #endif
 
 int bwa_fa2pac(int argc, char *argv[]);