Remove unneeded directory.

1 files changed, 0 insertions, 435 deletions

diff --git a/winsup/bz2lib/bzip2recover.c b/winsup/bz2lib/bzip2recover.c
deleted file mode 100644
index ba3d17563..000000000
--- a/winsup/bz2lib/bzip2recover.c
+++ /dev/null
@@ -1,435 +0,0 @@
-
-/*-----------------------------------------------------------*/
-/*--- Block recoverer program for bzip2                   ---*/
-/*---                                      bzip2recover.c ---*/
-/*-----------------------------------------------------------*/
-
-/*--
-  This program is bzip2recover, a program to attempt data 
-  salvage from damaged files created by the accompanying
-  bzip2-1.0 program.
-
-  Copyright (C) 1996-2000 Julian R Seward.  All rights reserved.
-
-  Redistribution and use in source and binary forms, with or without
-  modification, are permitted provided that the following conditions
-  are met:
-
-  1. Redistributions of source code must retain the above copyright
-     notice, this list of conditions and the following disclaimer.
-
-  2. The origin of this software must not be misrepresented; you must 
-     not claim that you wrote the original software.  If you use this 
-     software in a product, an acknowledgment in the product 
-     documentation would be appreciated but is not required.
-
-  3. Altered source versions must be plainly marked as such, and must
-     not be misrepresented as being the original software.
-
-  4. The name of the author may not be used to endorse or promote 
-     products derived from this software without specific prior written 
-     permission.
-
-  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
-  OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-  ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
-  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
-  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-  Julian Seward, Cambridge, UK.
-  jseward@acm.org
-  bzip2/libbzip2 version 1.0 of 21 March 2000
---*/
-
-/*--
-  This program is a complete hack and should be rewritten
-  properly.  It isn't very complicated.
---*/
-
-#include <stdio.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-
-typedef  unsigned int   UInt32;
-typedef  int            Int32;
-typedef  unsigned char  UChar;
-typedef  char           Char;
-typedef  unsigned char  Bool;
-#define True    ((Bool)1)
-#define False   ((Bool)0)
-
-
-Char inFileName[2000];
-Char outFileName[2000];
-Char progName[2000];
-
-UInt32 bytesOut = 0;
-UInt32 bytesIn  = 0;
-
-
-/*---------------------------------------------------*/
-/*--- I/O errors                                  ---*/
-/*---------------------------------------------------*/
-
-/*---------------------------------------------*/
-void readError ( void )
-{
-   fprintf ( stderr,
-             "%s: I/O error reading `%s', possible reason follows.\n",
-            progName, inFileName );
-   perror ( progName );
-   fprintf ( stderr, "%s: warning: output file(s) may be incomplete.\n",
-             progName );
-   exit ( 1 );
-}
-
-
-/*---------------------------------------------*/
-void writeError ( void )
-{
-   fprintf ( stderr,
-             "%s: I/O error reading `%s', possible reason follows.\n",
-            progName, inFileName );
-   perror ( progName );
-   fprintf ( stderr, "%s: warning: output file(s) may be incomplete.\n",
-             progName );
-   exit ( 1 );
-}
-
-
-/*---------------------------------------------*/
-void mallocFail ( Int32 n )
-{
-   fprintf ( stderr,
-             "%s: malloc failed on request for %d bytes.\n",
-            progName, n );
-   fprintf ( stderr, "%s: warning: output file(s) may be incomplete.\n",
-             progName );
-   exit ( 1 );
-}
-
-
-/*---------------------------------------------------*/
-/*--- Bit stream I/O                              ---*/
-/*---------------------------------------------------*/
-
-typedef
-   struct {
-      FILE*  handle;
-      Int32  buffer;
-      Int32  buffLive;
-      Char   mode;
-   }
-   BitStream;
-
-
-/*---------------------------------------------*/
-BitStream* bsOpenReadStream ( FILE* stream )
-{
-   BitStream *bs = malloc ( sizeof(BitStream) );
-   if (bs == NULL) mallocFail ( sizeof(BitStream) );
-   bs->handle = stream;
-   bs->buffer = 0;
-   bs->buffLive = 0;
-   bs->mode = 'r';
-   return bs;
-}
-
-
-/*---------------------------------------------*/
-BitStream* bsOpenWriteStream ( FILE* stream )
-{
-   BitStream *bs = malloc ( sizeof(BitStream) );
-   if (bs == NULL) mallocFail ( sizeof(BitStream) );
-   bs->handle = stream;
-   bs->buffer = 0;
-   bs->buffLive = 0;
-   bs->mode = 'w';
-   return bs;
-}
-
-
-/*---------------------------------------------*/
-void bsPutBit ( BitStream* bs, Int32 bit )
-{
-   if (bs->buffLive == 8) {
-      Int32 retVal = putc ( (UChar) bs->buffer, bs->handle );
-      if (retVal == EOF) writeError();
-      bytesOut++;
-      bs->buffLive = 1;
-      bs->buffer = bit & 0x1;
-   } else {
-      bs->buffer = ( (bs->buffer << 1) | (bit & 0x1) );
-      bs->buffLive++;
-   };
-}
-
-
-/*---------------------------------------------*/
-/*--
-   Returns 0 or 1, or 2 to indicate EOF.
---*/
-Int32 bsGetBit ( BitStream* bs )
-{
-   if (bs->buffLive > 0) {
-      bs->buffLive --;
-      return ( ((bs->buffer) >> (bs->buffLive)) & 0x1 );
-   } else {
-      Int32 retVal = getc ( bs->handle );
-      if ( retVal == EOF ) {
-         if (errno != 0) readError();
-         return 2;
-      }
-      bs->buffLive = 7;
-      bs->buffer = retVal;
-      return ( ((bs->buffer) >> 7) & 0x1 );
-   }
-}
-
-
-/*---------------------------------------------*/
-void bsClose ( BitStream* bs )
-{
-   Int32 retVal;
-
-   if ( bs->mode == 'w' ) {
-      while ( bs->buffLive < 8 ) {
-         bs->buffLive++;
-         bs->buffer <<= 1;
-      };
-      retVal = putc ( (UChar) (bs->buffer), bs->handle );
-      if (retVal == EOF) writeError();
-      bytesOut++;
-      retVal = fflush ( bs->handle );
-      if (retVal == EOF) writeError();
-   }
-   retVal = fclose ( bs->handle );
-   if (retVal == EOF) {
-      if (bs->mode == 'w') writeError(); else readError();
-   }
-   free ( bs );
-}
-
-
-/*---------------------------------------------*/
-void bsPutUChar ( BitStream* bs, UChar c )
-{
-   Int32 i;
-   for (i = 7; i >= 0; i--)
-      bsPutBit ( bs, (((UInt32) c) >> i) & 0x1 );
-}
-
-
-/*---------------------------------------------*/
-void bsPutUInt32 ( BitStream* bs, UInt32 c )
-{
-   Int32 i;
-
-   for (i = 31; i >= 0; i--)
-      bsPutBit ( bs, (c >> i) & 0x1 );
-}
-
-
-/*---------------------------------------------*/
-Bool endsInBz2 ( Char* name )
-{
-   Int32 n = strlen ( name );
-   if (n <= 4) return False;
-   return
-      (name[n-4] == '.' &&
-       name[n-3] == 'b' &&
-       name[n-2] == 'z' &&
-       name[n-1] == '2');
-}
-
-
-/*---------------------------------------------------*/
-/*---                                             ---*/
-/*---------------------------------------------------*/
-
-#define BLOCK_HEADER_HI  0x00003141UL
-#define BLOCK_HEADER_LO  0x59265359UL
-
-#define BLOCK_ENDMARK_HI 0x00001772UL
-#define BLOCK_ENDMARK_LO 0x45385090UL
-
-
-UInt32 bStart[20000];
-UInt32 bEnd[20000];
-UInt32 rbStart[20000];
-UInt32 rbEnd[20000];
-
-Int32 main ( Int32 argc, Char** argv )
-{
-   FILE*       inFile;
-   FILE*       outFile;
-   BitStream*  bsIn, *bsWr;
-   Int32       currBlock, b, wrBlock;
-   UInt32      bitsRead;
-   Int32       rbCtr;
-
-
-   UInt32      buffHi, buffLo, blockCRC;
-   Char*       p;
-
-   strcpy ( progName, argv[0] );
-   inFileName[0] = outFileName[0] = 0;
-
-   fprintf ( stderr, "bzip2recover 1.0: extracts blocks from damaged .bz2 files.\n" );
-
-   if (argc != 2) {
-      fprintf ( stderr, "%s: usage is `%s damaged_file_name'.\n",
-                        progName, progName );
-      exit(1);
-   }
-
-   strcpy ( inFileName, argv[1] );
-
-   inFile = fopen ( inFileName, "rb" );
-   if (inFile == NULL) {
-      fprintf ( stderr, "%s: can't read `%s'\n", progName, inFileName );
-      exit(1);
-   }
-
-   bsIn = bsOpenReadStream ( inFile );
-   fprintf ( stderr, "%s: searching for block boundaries ...\n", progName );
-
-   bitsRead = 0;
-   buffHi = buffLo = 0;
-   currBlock = 0;
-   bStart[currBlock] = 0;
-
-   rbCtr = 0;
-
-   while (True) {
-      b = bsGetBit ( bsIn );
-      bitsRead++;
-      if (b == 2) {
-         if (bitsRead >= bStart[currBlock] &&
-            (bitsRead - bStart[currBlock]) >= 40) {
-            bEnd[currBlock] = bitsRead-1;
-            if (currBlock > 0)
-               fprintf ( stderr, "   block %d runs from %d to %d (incomplete)\n",
-                         currBlock,  bStart[currBlock], bEnd[currBlock] );
-         } else
-            currBlock--;
-         break;
-      }
-      buffHi = (buffHi << 1) | (buffLo >> 31);
-      buffLo = (buffLo << 1) | (b & 1);
-      if ( ( (buffHi & 0x0000ffff) == BLOCK_HEADER_HI 
-             && buffLo == BLOCK_HEADER_LO)
-           || 
-           ( (buffHi & 0x0000ffff) == BLOCK_ENDMARK_HI 
-             && buffLo == BLOCK_ENDMARK_LO)
-         ) {
-         if (bitsRead > 49)
-            bEnd[currBlock] = bitsRead-49; else
-            bEnd[currBlock] = 0;
-         if (currBlock > 0 &&
-	     (bEnd[currBlock] - bStart[currBlock]) >= 130) {
-            fprintf ( stderr, "   block %d runs from %d to %d\n",
-                      rbCtr+1,  bStart[currBlock], bEnd[currBlock] );
-            rbStart[rbCtr] = bStart[currBlock];
-            rbEnd[rbCtr] = bEnd[currBlock];
-            rbCtr++;
-         }
-         currBlock++;
-
-         bStart[currBlock] = bitsRead;
-      }
-   }
-
-   bsClose ( bsIn );
-
-   /*-- identified blocks run from 1 to rbCtr inclusive. --*/
-
-   if (rbCtr < 1) {
-      fprintf ( stderr,
-                "%s: sorry, I couldn't find any block boundaries.\n",
-                progName );
-      exit(1);
-   };
-
-   fprintf ( stderr, "%s: splitting into blocks\n", progName );
-
-   inFile = fopen ( inFileName, "rb" );
-   if (inFile == NULL) {
-      fprintf ( stderr, "%s: can't open `%s'\n", progName, inFileName );
-      exit(1);
-   }
-   bsIn = bsOpenReadStream ( inFile );
-
-   /*-- placate gcc's dataflow analyser --*/
-   blockCRC = 0; bsWr = 0;
-
-   bitsRead = 0;
-   outFile = NULL;
-   wrBlock = 0;
-   while (True) {
-      b = bsGetBit(bsIn);
-      if (b == 2) break;
-      buffHi = (buffHi << 1) | (buffLo >> 31);
-      buffLo = (buffLo << 1) | (b & 1);
-      if (bitsRead == 47+rbStart[wrBlock]) 
-         blockCRC = (buffHi << 16) | (buffLo >> 16);
-
-      if (outFile != NULL && bitsRead >= rbStart[wrBlock]
-                          && bitsRead <= rbEnd[wrBlock]) {
-         bsPutBit ( bsWr, b );
-      }
-
-      bitsRead++;
-
-      if (bitsRead == rbEnd[wrBlock]+1) {
-         if (outFile != NULL) {
-            bsPutUChar ( bsWr, 0x17 ); bsPutUChar ( bsWr, 0x72 );
-            bsPutUChar ( bsWr, 0x45 ); bsPutUChar ( bsWr, 0x38 );
-            bsPutUChar ( bsWr, 0x50 ); bsPutUChar ( bsWr, 0x90 );
-            bsPutUInt32 ( bsWr, blockCRC );
-            bsClose ( bsWr );
-         }
-         if (wrBlock >= rbCtr) break;
-         wrBlock++;
-      } else
-      if (bitsRead == rbStart[wrBlock]) {
-         outFileName[0] = 0;
-         sprintf ( outFileName, "rec%4d", wrBlock+1 );
-         for (p = outFileName; *p != 0; p++) if (*p == ' ') *p = '0';
-         strcat ( outFileName, inFileName );
-         if ( !endsInBz2(outFileName)) strcat ( outFileName, ".bz2" );
-
-         fprintf ( stderr, "   writing block %d to `%s' ...\n",
-                           wrBlock+1, outFileName );
-
-         outFile = fopen ( outFileName, "wb" );
-         if (outFile == NULL) {
-            fprintf ( stderr, "%s: can't write `%s'\n",
-                      progName, outFileName );
-            exit(1);
-         }
-         bsWr = bsOpenWriteStream ( outFile );
-         bsPutUChar ( bsWr, 'B' ); bsPutUChar ( bsWr, 'Z' );
-         bsPutUChar ( bsWr, 'h' ); bsPutUChar ( bsWr, '9' );
-         bsPutUChar ( bsWr, 0x31 ); bsPutUChar ( bsWr, 0x41 );
-         bsPutUChar ( bsWr, 0x59 ); bsPutUChar ( bsWr, 0x26 );
-         bsPutUChar ( bsWr, 0x53 ); bsPutUChar ( bsWr, 0x59 );
-      }
-   }
-
-   fprintf ( stderr, "%s: finished\n", progName );
-   return 0;
-}
-
-
-
-/*-----------------------------------------------------------*/
-/*--- end                                  bzip2recover.c ---*/
-/*-----------------------------------------------------------*/