1 files changed, 44 insertions, 0 deletions
diff --git a/tools/utils.c b/tools/utils.c
new file mode 100644
index 0000000..3ec6e4c
--- /dev/null
+++ b/tools/utils.c
@@ -0,0 +1,44 @@
+#include <string>
+#include <sstream>
+#include <iomanip>
+//#include <stdlib.h>     /* for abs() */
+#include <cmath>
+
+// strip off the directory part of a path, leaving just
+// the basic filename
+std::string basename(const std::string path){
+  size_t where = path.rfind("/");
+  if (where != std::string::npos) return path.substr(1+where);
+  return path;
+}
+
+////////////////
+// little utility to help with argument parsing:
+//
+int prefix(const std::string shorter, const std::string longer){
+  return shorter == longer.substr(0, shorter.length());
+}
+
+///////////////
+// print a time as (-)hh:mm:ss
+//
+std::string time_out(const int _ttt){
+using namespace std;
+  int ttt(abs(_ttt));
+  int sec(ttt % 60);
+  int min((ttt / 60) % 60);
+  int hr(ttt / 3600);
+  stringstream foo;
+  int didsome(0);
+  if (_ttt < 0) foo << "-";
+  if (hr) {
+    foo << hr << ":";
+    didsome++;
+  }
+  if (didsome || min){
+    foo << setw(didsome?2:1) << setfill('0') << min << ":";
+    didsome++;
+  }
+  foo << setw(didsome?2:1) << setfill('0') << sec;
+  return foo.str();
+}