1 files changed, 22 insertions, 0 deletions
diff --git a/decoder/filelib.cc b/decoder/filelib.cc
new file mode 100644
index 00000000..79ad2847
--- /dev/null
+++ b/decoder/filelib.cc
@@ -0,0 +1,22 @@
+#include "filelib.h"
+
+#include <unistd.h>
+#include <sys/stat.h>
+
+using namespace std;
+
+bool FileExists(const std::string& fn) {
+  struct stat info;
+  int s = stat(fn.c_str(), &info);
+  return (s==0);
+}
+
+bool DirectoryExists(const string& dir) {
+  if (access(dir.c_str(),0) == 0) {
+    struct stat status;
+    stat(dir.c_str(), &status);
+    if (status.st_mode & S_IFDIR) return true;
+  }
+  return false;
+}
+