Merging upstream version 1.6.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 16 insertions, 6 deletions

diff --git a/rc.cc b/rc.cc
index 2326465..9af190d 100644
--- a/rc.cc
+++ b/rc.cc
@@ -1,5 +1,5 @@
 /*  Zutils - Utilities dealing with compressed files
-    Copyright (C) 2009-2016 Antonio Diaz Diaz.
+    Copyright (C) 2009-2017 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
@@ -37,7 +37,7 @@ int verbosity = 0;
 namespace {
 
 const char * const config_file_name = "zutilsrc";
-const char * const     program_year = "2016";
+const char * const     program_year = "2017";
 
 std::string compressor_names[num_formats] =
   { "bzip2", "gzip", "lzip", "xz" };		// default compressor names
@@ -49,7 +49,7 @@ std::vector< std::string > compressor_args[num_formats];
 // empty means all enabled.
 std::vector< bool > enabled_formats;
 
-struct { const char * from; const char * to; int format_index; } const
+const struct { const char * from; const char * to; int format_index; }
   known_extensions[] = {
   { ".bz2",  "",     fmt_bz2 },
   { ".tbz",  ".tar", fmt_bz2 },
@@ -253,12 +253,12 @@ int parse_format_type( const std::string & arg )
 
 int extension_index( const std::string & name )
   {
-  for( int i = 0; known_extensions[i].from; ++i )
+  for( int eindex = 0; known_extensions[eindex].from; ++eindex )
     {
-    const std::string ext( known_extensions[i].from );
+    const std::string ext( known_extensions[eindex].from );
     if( name.size() > ext.size() &&
         name.compare( name.size() - ext.size(), ext.size(), ext ) == 0 )
-      return i;
+      return eindex;
     }
   return -1;
   }
@@ -347,6 +347,16 @@ void show_error( const char * const msg, const int errcode, const bool help )
   }
 
 
+void show_file_error( const char * const filename, const char * const msg,
+                      const int errcode )
+  {
+  if( verbosity < 0 ) return;
+  std::fprintf( stderr, "%s: %s: %s", program_name, filename, msg );
+  if( errcode > 0 ) std::fprintf( stderr, ": %s", std::strerror( errcode ) );
+  std::fputc( '\n', stderr );
+  }
+
+
 void show_error2( const char * const msg, const char * const name )
   {
   if( verbosity >= 0 )