From 673ae4aaf8c6423cb494592f43328157d630d6b3 Mon Sep 17 00:00:00 2001
From: Heng Li <lh3@live.co.uk>
Date: Mon, 31 Oct 2011 13:26:24 -0400
Subject: [PATCH] throw an error if insufficient memory during index

---
 bwt.c  | 4 ++++
 main.c | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/bwt.c b/bwt.c
index 5b139d2..38a3c21 100644
--- a/bwt.c
+++ b/bwt.c
@@ -56,6 +56,10 @@ void bwt_cal_sa(bwt_t *bwt, int intv)
 	bwt->sa_intv = intv;
 	bwt->n_sa = (bwt->seq_len + intv) / intv;
 	bwt->sa = (bwtint_t*)calloc(bwt->n_sa, sizeof(bwtint_t));
+	if (bwa->sa == 0) {
+		fprintf(stderr, "[%s] Fail to allocate %.3fMB memory. Abort!\n", __func__, bwt->n_sa * sizeof(bwtint_t) / 1024.0/1024.0);
+		abort();
+	}
 	// calculate SA value
 	isa = 0; sa = bwt->seq_len;
 	for (i = 0; i < bwt->seq_len; ++i) {
diff --git a/main.c b/main.c
index 9456140..7f9601f 100644
--- a/main.c
+++ b/main.c
@@ -4,7 +4,7 @@
 #include "utils.h"
 
 #ifndef PACKAGE_VERSION
-#define PACKAGE_VERSION "0.6.0-r69-dev"
+#define PACKAGE_VERSION "0.6.0-r70-dev"
 #endif
 
 static int usage()