fix passing exc by value

Author: notestaff

configure.ac

@@ -5,7 +5,7 @@
 #
 
 AC_PREREQ([2.68])
-AC_INIT([cosi], [2.3.2rc7], [ilya_shl@alum.mit.edu])
+AC_INIT([cosi], [2.3.2rc8], [ilya_shl@alum.mit.edu])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([m4])
 AM_INIT_AUTOMAKE([1.9 tar-pax parallel-tests -Wall])

cosi/cositop.cc

@@ -66,7 +66,7 @@ CoSiMain::CoSiMain():
 void CoSiMain::printCompileOptions() {
 	using std::cerr;
 
-	cerr << "cosi coalescent simulator, version 2.3.2rc7\n\n";
+	cerr << "cosi coalescent simulator, version 2.3.2rc8\n\n";
 	cerr << "Compile-time options:\n";
 
 	cerr << "   COSI_SUPPORT_COALAPX (support for approximating the coalescent): " <<

cosi/general/utils.cc

@@ -332,7 +332,7 @@ TSVIdx::TSVIdx( filename_t tsvFN, unsigned colNum, filename_t idxFN ) {
     std::istream::streampos lineBeg = tsvFile.tellg();
     std::string line;
     try { std::getline( tsvFile, line ); }
-    catch( std::ios::failure ) { break; }
+    catch( const std::ios::failure& ) { break; }
 		++lineNum;
 		if ( lineNum == 1 ) continue;
 

tests/sample_stats_extra.cc

@@ -1602,7 +1602,7 @@ int sample_stats_main(int argc, char *argv[])
 		po::store(po::command_line_parser(argc, argv).options(desc).positional(positional_opts).run(), vm);
 		po::notify(vm);    
 	} 
-	catch(std::exception& e) {
+	catch(const std::exception& e) {
 		cerr << e.what() << "\n";
 		return EXIT_FAILURE;
 	}