Merging upstream version 1.4~rc2.

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

1 files changed, 19 insertions, 15 deletions

diff --git a/main.c b/main.c
index cda4327..c2f3319 100644
--- a/main.c
+++ b/main.c
@@ -118,6 +118,10 @@ static void show_help( void )
           "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"
+          "\nReturn values: 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"
+          "caused pdlzip to panic.\n"
           "\nReport bugs to lzip-bug@nongnu.org\n"
           "Pdlzip home page: http://www.nongnu.org/lzip/pdlzip.html\n" );
   }
@@ -163,8 +167,9 @@ void show_header( const File_header header )
   for( i = 0; i < 8 && ( num > 9999 || ( exact && num >= factor ) ); ++i )
     { num /= factor; if( num % factor != 0 ) exact = false;
       p = prefix[i]; np = ""; }
-  fprintf( stderr, "version %d, dictionary size %s%4u %sB.  ",
-           Fh_version( header ), np, num, p );
+  if( verbosity >= 4 )
+    fprintf( stderr, "version %d, ", Fh_version( header ) );
+  fprintf( stderr, "dictionary size %s%4u %sB.  ", np, num, p );
   }
 
 
@@ -502,7 +507,7 @@ static int lzma_decode( uint64_t unpackSize, CLzmaDec *decoder, const int infd,
 
     if( !LzmaDec_DecodeToBuf( decoder, outBuf + outPos, &outProcessed,
         inBuf + *inPos, &inProcessed, finishMode, &status ) )
-      { show_error( "Data error.", 0, false ); return 1; }
+      { show_error( "Data error.", 0, false ); return 2; }
     *inPos += inProcessed;
     total_in += inProcessed;
     outPos += outProcessed;
@@ -519,7 +524,7 @@ static int lzma_decode( uint64_t unpackSize, CLzmaDec *decoder, const int infd,
       {
       if( ( thereIsSize && unpackSize != 0 ) ||
           ( !thereIsSize && status != LZMA_STATUS_FINISHED_WITH_MARK ) )
-        { show_error( "Data error.", 0, false ); return 1; }
+        { show_error( "Data error.", 0, false ); return 2; }
       if( verbosity >= 2 )
         fprintf( stderr, "lzma-alone, dictionary size %7sB.  ",
                  format_num( decoder->dicBufSize ) );
@@ -527,8 +532,7 @@ static int lzma_decode( uint64_t unpackSize, CLzmaDec *decoder, const int infd,
         fprintf( stderr, "uncompressed size %9llu, compressed size %8llu.  ",
                  total_out, total_in );
       if( verbosity >= 1 )
-        { if( testing ) fprintf( stderr, "(apparently) ok\n" );
-          else fprintf( stderr, "(apparently) done\n" ); }
+        fprintf( stderr, testing ? "(apparently) ok\n" : "(apparently) done\n" );
       return 0;
       }
     }
@@ -554,12 +558,12 @@ static int lzip_decode( CLzmaDec *decoder, const int infd, uint8_t inBuf[],
     if( *inPos >= *inSize && !read_inbuf( infd, inBuf, inPos, inSize ) )
       return 1;
     if( *inPos >= *inSize )
-      { show_error( "Unexpected EOF.", 0, false ); return 1; }
+      { show_error( "Unexpected EOF.", 0, false ); return 2; }
     inProcessed = *inSize - *inPos;
 
     if( !LzmaDec_DecodeToBuf( decoder, outBuf + outPos, &outProcessed,
         inBuf + *inPos, &inProcessed, finishMode, &status ) )
-      { show_error( "Data error.", 0, false ); return 1; }
+      { show_error( "Data error.", 0, false ); return 2; }
     *inPos += inProcessed;
     total_in += inProcessed;
     outPos += outProcessed;
@@ -579,7 +583,7 @@ static int lzip_decode( CLzmaDec *decoder, const int infd, uint8_t inBuf[],
       bool error = false;
 
       if( status != LZMA_STATUS_FINISHED_WITH_MARK )
-        { show_error( "Data error.", 0, false ); return 1; }
+        { show_error( "Data error.", 0, false ); return 2; }
       if( *inSize - *inPos < trailer_size &&
           !read_inbuf( infd, inBuf, inPos, inSize ) ) return 1;
       if( *inSize - *inPos < trailer_size )
@@ -617,7 +621,7 @@ static int lzip_decode( CLzmaDec *decoder, const int infd, uint8_t inBuf[],
           fprintf( stderr, "Member size mismatch; trailer says %llu, member size is %llu (0x%llX).\n",
                    Ft_get_member_size( trailer ), total_in, total_in );
         }
-      if( !error && verbosity >= 3 && total_out > 0 && total_in > 0 )
+      if( !error && verbosity >= 2 && total_out > 0 && total_in > 0 )
         fprintf( stderr, "%6.3f:1, %6.3f bits/byte, %5.2f%% saved.  ",
                  (double)total_out / total_in,
                  ( 8.0 * total_in ) / total_out,
@@ -701,7 +705,7 @@ static int decompress( const int infd, struct Pretty_print * const pp,
     if( verbosity >= 2 || ( verbosity == 1 && first_member ) )
       {
       Pp_show_msg( pp, 0 );
-      if( lzip_mode && verbosity >= 2 ) show_header( header );
+      if( lzip_mode && verbosity >= 3 ) show_header( header );
       }
 
     if( !LzmaDec_Init( &decoder, raw_props ) )
@@ -718,12 +722,10 @@ static int decompress( const int infd, struct Pretty_print * const pp,
     LzmaDec_Free(&decoder);
     if( retval != 0 || !lzip_mode ) break;
     if( verbosity >= 2 )
-      { if( testing ) fprintf( stderr, "ok\n" );
-        else fprintf( stderr, "done\n" ); Pp_reset( pp ); }
+      { fprintf( stderr, testing ? "ok\n" : "done\n" ); Pp_reset( pp ); }
     }
   if( lzip_mode && verbosity == 1 && retval == 0 )
-    { if( testing ) fprintf( stderr, "ok\n" );
-      else fprintf( stderr, "done\n" ); }
+    fprintf( stderr, testing ? "ok\n" : "done\n" );
   return retval;
   }
 
@@ -862,6 +864,7 @@ int main( const int argc, const char * const argv[] )
     { 'h', "help",            ap_no  },
     { 'k', "keep",            ap_no  },
     { 'm', "match-length",    ap_yes },
+    { 'n', "threads",         ap_yes },
     { 'o', "output",          ap_yes },
     { 'q', "quiet",           ap_no  },
     { 's', "dictionary-size", ap_yes },
@@ -901,6 +904,7 @@ int main( const int argc, const char * const argv[] )
       case 'k': keep_input_files = true; break;
       case 'm': encoder_options.match_len_limit =
                   getnum( arg, min_match_len_limit, max_match_len ); break;
+      case 'n': break;
       case 'o': default_output_filename = arg; break;
       case 'q': verbosity = -1; break;
       case 's': encoder_options.dictionary_size = get_dict_size( arg );