copy older versions of the session file, fix up ardev to work again using %VERSION%

git-svn-id: svn://localhost/ardour2/trunk@1268 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 38 insertions, 0 deletions

diff --git a/libs/pbd/copyfile.cc b/libs/pbd/copyfile.cc
new file mode 100644
index 0000000000..d36ecef58a
--- /dev/null
+++ b/libs/pbd/copyfile.cc
@@ -0,0 +1,38 @@
+#include <fstream>
+#include <unistd.h>
+
+#include <pbd/copyfile.h>
+#include <pbd/error.h>
+#include <pbd/compose.h>
+
+#include "i18n.h"
+
+using namespace PBD;
+using namespace std;
+
+int
+PBD::copy_file (Glib::ustring from, Glib::ustring to)
+{
+	ifstream in (from.c_str());
+	ofstream out (to.c_str());
+	
+	if (!in) {
+		error << string_compose (_("Could not open %1 for copy"), from) << endmsg;
+		return -1;
+	}
+	
+	if (!out) {
+		error << string_compose (_("Could not open %1 as copy"), to) << endmsg;
+		return -1;
+	}
+	
+	out << in.rdbuf();
+	
+	if (!in || !out) {
+		error << string_compose (_("Could not copy existing file %1 to %2"), from, to) << endmsg;
+		unlink (to.c_str());
+		return -1;
+	}
+	
+	return 0;
+}