Merging upstream version 1.15~rc1.

Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>

1 files changed, 9 insertions, 7 deletions

diff --git a/main.cc b/main.cc
index 921684a..bd5c8c9 100644
--- a/main.cc
+++ b/main.cc
@@ -89,8 +89,6 @@ struct Lzma_options
   };
 
 enum Mode { m_compress, m_decompress, m_test };
-const unsigned long long max_member_size = 0x1000000000000000ULL;
-const unsigned long long max_volume_size = 0x7FFFFFFFFFFFFFFFULL;
 
 std::string output_filename;
 int outfd = -1;
@@ -130,7 +128,8 @@ void show_help()
                "The bidimensional parameter space of LZMA can't be mapped to a linear\n"
                "scale optimal for all files. If your files are large, very repetitive,\n"
                "etc, you may need to use the --match-length and --dictionary-size\n"
-               "options directly to achieve optimal performance.\n"
+               "options directly to achieve optimal performance. For example, -9m64\n"
+               "usually compresses executables more (and faster) than -9.\n"
                "\nExit status: 0 for a normal exit, 1 for environmental problems (file\n"
                "not found, invalid flags, I/O errors, etc), 2 to indicate a corrupt or\n"
                "invalid input file, 3 for an internal consistency error (eg, bug) which\n"
@@ -163,7 +162,7 @@ void show_header( const File_header & header )
   for( int i = 0; i < 8 && ( num > 9999 || ( exact && num >= factor ) ); ++i )
     { num /= factor; if( num % factor != 0 ) exact = false;
       p = prefix[i]; np = ""; }
-  if( verbosity >= 4 )
+  if( verbosity >= 4 && header.version() != 1 )
     std::fprintf( stderr, "version %d, ", header.version() );
   std::fprintf( stderr, "dictionary size %s%4u %sB.  ", np, num, p );
   }
@@ -275,12 +274,13 @@ int open_instream( const char * const name, struct stat * const in_statsp,
       const bool can_read = ( i == 0 &&
                               ( S_ISBLK( mode ) || S_ISCHR( mode ) ||
                                 S_ISFIFO( mode ) || S_ISSOCK( mode ) ) );
-      if( i != 0 || ( !S_ISREG( mode ) && ( !to_stdout || !can_read ) ) )
+      const bool no_ofile = to_stdout || program_mode == m_test;
+      if( i != 0 || ( !S_ISREG( mode ) && ( !can_read || !no_ofile ) ) )
         {
         if( verbosity >= 0 )
           std::fprintf( stderr, "%s: Input file '%s' is not a regular file%s.\n",
                         program_name, name,
-                        ( can_read && !to_stdout ) ?
+                        ( can_read && !no_ofile ) ?
                         " and '--stdout' was not specified" : "" );
         close( infd );
         infd = -1;
@@ -602,7 +602,7 @@ int decompress( const int infd, const Pretty_print & pp, const bool testing )
       if( rdec.finished() )			// End Of File
         {
         if( first_member )
-          { pp( "Error reading member header" ); retval = 1; }
+          { pp( "File ends unexpectedly at member header" ); retval = 2; }
         else if( verbosity >= 4 && size > 0 )
           show_trailing_garbage( header.data, size, pp, true );
         break;
@@ -754,6 +754,8 @@ int main( const int argc, const char * const argv[] )
     { 3 << 23, 132 },		// -8
     { 1 << 25, 273 } };		// -9
   Lzma_options encoder_options = option_mapping[6];	// default = "-6"
+  const unsigned long long max_member_size = 0x0100000000000000ULL;
+  const unsigned long long max_volume_size = 0x4000000000000000ULL;
   unsigned long long member_size = max_member_size;
   unsigned long long volume_size = 0;
   std::string input_filename;