var/spack/repos/builtin/packages/denovogear/stream-open.patch


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diff -ru spack-src.org/src/dng-dnm.cc spack-src/src/dng-dnm.cc
--- spack-src.org/src/dng-dnm.cc	2015-04-21 09:16:59.000000000 +0900
+++ spack-src/src/dng-dnm.cc	2019-10-02 15:08:28.892042247 +0900
@@ -161,7 +161,7 @@
 int writeVCFHeader(std::ofstream& fo_vcf, string op_vcf_f, string bcf_file, string ped_file, string sample)
 {
   fo_vcf.open(op_vcf_f.c_str());
-  if(fo_vcf == NULL) {
+  if(fo_vcf.fail()) {
     cerr<<"Unable to open vcf file for writing output. Exiting !"<<endl;
   }
   fo_vcf<<"##fileformat=VCFv4.1\n";