1 files changed, 61 insertions, 0 deletions
diff --git a/recursive.cc b/recursive.cc
new file mode 100644
index 0000000..09aa095
--- /dev/null
+++ b/recursive.cc
@@ -0,0 +1,61 @@
+/*  Zutils - Utilities dealing with compressed files
+    Copyright (C) 2009, 2010, 2011, 2012, 2013 Antonio Diaz Diaz.
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+bool next_filename( std::list< std::string > & filenames,
+                    std::string & input_filename, bool & error,
+                    const bool recursive, const bool ignore_stdin = false,
+                    const bool no_messages = false )
+  {
+  while( !filenames.empty() )
+    {
+    input_filename = filenames.front();
+    filenames.pop_front();
+    if( input_filename.empty() || input_filename == "-" )
+      {
+      if( ignore_stdin ) continue;
+      input_filename.clear(); return true;
+      }
+    if( recursive )
+      {
+      struct stat st;
+      if( stat( input_filename.c_str(), &st ) == 0 && S_ISDIR( st.st_mode ) )
+        {
+        DIR * const dirp = opendir( input_filename.c_str() );
+        if( !dirp )
+          {
+          if( !no_messages )
+            show_error2( "Can't open directory", input_filename.c_str() );
+          error = true; continue;
+          }
+        std::list< std::string > tmp_list;
+        while( true )
+          {
+          const struct dirent * const entryp = readdir( dirp );
+          if( !entryp ) { closedir( dirp ); break; }
+          std::string tmp_name( entryp->d_name );
+          if( tmp_name != "." && tmp_name != ".." )
+            tmp_list.push_back( input_filename + "/" + tmp_name );
+          }
+        filenames.splice( filenames.begin(), tmp_list );
+        continue;
+        }
+      }
+    return true;
+    }
+  input_filename.clear();
+  return false;
+  }