1 |
loizides |
1.1 |
// $Id: Types.cc,v 1.1 2008/09/27 05:44:11 loizides Exp $
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#include "MitCommon/OptIO/src/rzipunzip.h"
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#include "MitCommon/OptIO/src/zlib.h"
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#include "MitCommon/OptIO/src/bzlib.h"
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#include "MitCommon/OptIO/src/lzo/lzo1x.h"
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#include "MitCommon/OptIO/src/rle.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifndef HDRSIZE
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#define HDRSIZE 9
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#else
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#error "HDRSIZE already defined."
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#endif
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#ifndef MYSIZE
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#define MYSIZE 5*1024*1024
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#else
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#error "MYSIZE already defined."
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#endif
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typedef unsigned char uch; /* code assumes unsigned bytes; these type- */
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extern int R__ZipMode;
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char mymem[MYSIZE];
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char *myptr = mymem;
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// the following can be changed using the OptInt interface
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double lzipfrac = 1;
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double gzipfrac = 1;
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double bzipfrac = 1;
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int myverbose = 0;
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int mystaticm = 0;
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//--------------------------------------------------------------------------------------------------
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void *mymalloc(size_t size)
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{
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if(!mystaticm || size>MYSIZE)
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return malloc(size);
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if(myptr-mymem>MYSIZE-size) {
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myptr=mymem;
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}
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void *v=(void*)myptr;
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myptr+=size;
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return v;
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}
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//--------------------------------------------------------------------------------------------------
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void myfree(void *ptr)
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{
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if (mystaticm && (char*)ptr>=mymem && (char*)ptr<mymem+MYSIZE)
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return;
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free(ptr);
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}
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//--------------------------------------------------------------------------------------------------
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void R__zip(int cxlevel, int *srcsize, char *src, int *tgtsize, char *tgt, int *irep)
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/* int cxlevel; compression level */
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/* int *srcsize, *tgtsize, *irep; source and target sizes, replay */
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/* char *tgt, *src; source and target buffers */
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{
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int err = 0;
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int method = 0;
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unsigned int in_size = 0;
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unsigned int out_size = 0;
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if (*tgtsize <= HDRSIZE) {
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R__error("target buffer too small");
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return;
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}
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if (*srcsize > 0xffffff) {
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R__error("source buffer too big");
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return;
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}
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*irep = 0;
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in_size = (unsigned)(*srcsize); /* decompressed size */
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char *tgtptr = tgt+HDRSIZE; /* compress data */
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if (R__ZipMode == 5) { /*determine best of all methods*/
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int cont = 1;
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int msize = -1;
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int zmode = -1;
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int tgtlen = 2*in_size+64*1024;
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char *mptr1 = mymalloc(tgtlen);
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char *mptr2 = mymalloc(tgtlen);
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char *mptr = 0;
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char *mdum = 0;
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if (cont) {
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zmode = 4;
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msize = RLE_Compress(src, mptr1, in_size);
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mptr = mptr1;
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mdum = mptr2;
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}
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if (cont && lzipfrac>0) {
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err = lzo_init();
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if ( err == LZO_E_OK) {
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lzo_uint outlen = tgtlen;
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char *lwmem = mymalloc(LZO1X_999_MEM_COMPRESS);
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err = lzo1x_999_compress(src,in_size,mdum,&outlen,lwmem);
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if (err == LZO_E_OK) {
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if (outlen<lzipfrac*msize) {
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msize = outlen;
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zmode = 3;
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char *tmp = mptr;
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mptr = mdum;
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mdum = tmp;
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}
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}
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myfree(lwmem);
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}
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}
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if (cont && gzipfrac>0) {
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z_stream stream;
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stream.next_in = (Bytef*)src;
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stream.avail_in = (uInt)(in_size);
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stream.next_out = (Bytef*)(mdum);
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stream.avail_out = (uInt)(*tgtsize);
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stream.zalloc = (alloc_func)0;
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stream.zfree = (free_func)0;
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stream.opaque = (voidpf)0;
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err = deflateInit(&stream, cxlevel);
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if (err == Z_OK) {
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err = deflate(&stream, Z_FINISH);
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if (err == Z_STREAM_END) {
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err = deflateEnd(&stream);
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int outlen = stream.total_out;
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if (outlen<gzipfrac*msize) {
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msize = outlen;
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zmode = 1;
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char *tmp = mptr;
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mptr = mdum;
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mdum = tmp;
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}
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}
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}
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}
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if (cont && bzipfrac>0) {
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bz_stream stream;
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stream.next_in = src;
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stream.avail_in = (uInt)(in_size);
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stream.next_out = mdum;
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stream.avail_out = (uInt)(*tgtsize);
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stream.bzalloc = 0;
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stream.bzfree = 0;
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stream.opaque = 0;
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157 |
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err = BZ2_bzCompressInit(&stream, 9, 0, 1);
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if (err == BZ_OK) {
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err = BZ2_bzCompress(&stream, BZ_FINISH);
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if (err == BZ_STREAM_END) {
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BZ2_bzCompressEnd(&stream);
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}
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int outlen = stream.total_out_lo32;
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if (outlen<bzipfrac*msize) {
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msize = outlen;
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zmode = 2;
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char *tmp = mptr;
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mptr = mdum;
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mdum = tmp;
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}
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}
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}
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if (msize>=in_size) {
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out_size = in_size;
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memcpy(tgtptr,src,out_size);
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tgt[0] = 'X'; /* signature xx */
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tgt[1] = 'X';
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method = 0;
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} else {
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switch (zmode) {
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case 1:
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tgt[0] = 'Z'; /* signature zlib */
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tgt[1] = 'L';
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method = Z_DEFLATED; //==8
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break;
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case 2:
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tgt[0] = 'B'; /* signature bzlib */
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tgt[1] = 'Z';
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method = 2;
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break;
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case 3:
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tgt[0] = 'L'; /* signature lzolib */
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tgt[1] = 'O';
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method = 19;
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break;
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case 4:
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tgt[0] = 'R'; /* signature rlelib */
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tgt[1] = 'E';
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method = 4;
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break;
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}
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out_size = msize;
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memcpy(tgtptr,mptr,out_size);
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}
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myfree(mptr1);
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myfree(mptr2);
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} else if (R__ZipMode == 4) { /*rle*/
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int tgtlen = 2*in_size+1;
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char *lmem1 = mymalloc(tgtlen);
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out_size = RLE_Compress(src, lmem1, in_size);
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214 |
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if (out_size>=in_size) {
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out_size = in_size;
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216 |
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memcpy(tgtptr,src,out_size);
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tgt[0] = 'X'; /* signature xx */
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tgt[1] = 'X';
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method = 0;
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} else {
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memcpy(tgtptr,lmem1,out_size);
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tgt[0] = 'R'; /* signature rlelib */
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tgt[1] = 'E';
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method = 4;
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}
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myfree(lmem1);
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} else if (R__ZipMode == 3) { /*lzo*/
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err = lzo_init();
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229 |
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if ( err != LZO_E_OK) {
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printf("error %d - lzo_init()\n", err);
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return;
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}
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233 |
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234 |
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lzo_uint tgtlen = 2*in_size+64*1024;
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235 |
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char *lmem1 = mymalloc(tgtlen);
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236 |
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char *lmem2 = 0;
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237 |
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if (cxlevel<=1) {
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238 |
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lmem2 = mymalloc(LZO1X_1_11_MEM_COMPRESS);
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err = lzo1x_1_11_compress(src,in_size,lmem1,&tgtlen,lmem2);
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method = 11;
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} else if (cxlevel==2) {
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242 |
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lmem2 = mymalloc(LZO1X_1_12_MEM_COMPRESS);
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243 |
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err = lzo1x_1_12_compress(src,in_size,lmem1,&tgtlen,lmem2);
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244 |
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method = 12;
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245 |
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} else if (cxlevel<=5) {
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246 |
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lmem2 = mymalloc(LZO1X_1_15_MEM_COMPRESS);
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247 |
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err = lzo1x_1_15_compress(src,in_size,lmem1,&tgtlen,lmem2);
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248 |
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method = 15;
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249 |
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} else {
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250 |
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lmem2 = mymalloc(LZO1X_999_MEM_COMPRESS);
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251 |
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err = lzo1x_999_compress(src,in_size,lmem1,&tgtlen,lmem2);
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252 |
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method = 19;
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253 |
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}
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254 |
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if (err != LZO_E_OK) {
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255 |
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myfree(lmem1);
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256 |
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myfree(lmem2);
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257 |
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return;
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258 |
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}
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259 |
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260 |
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if (tgtlen>=lzipfrac*in_size) {
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261 |
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out_size = in_size;
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262 |
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memcpy(tgtptr,src,out_size);
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263 |
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tgt[0] = 'X'; /* signature xx */
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264 |
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tgt[1] = 'X';
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265 |
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method = 0;
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266 |
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} else {
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267 |
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out_size = tgtlen; /* compressed size */
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268 |
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memcpy(tgtptr,lmem1,out_size);
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269 |
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tgt[0] = 'L'; /* signature lzolib */
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270 |
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tgt[1] = 'O';
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271 |
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}
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272 |
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myfree(lmem1);
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273 |
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myfree(lmem2);
|
274 |
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} else if (R__ZipMode == 2) { /*bzip*/
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275 |
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bz_stream stream;
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276 |
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stream.next_in = src;
|
277 |
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stream.avail_in = (uInt)(in_size);
|
278 |
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stream.next_out = tgtptr;
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279 |
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stream.avail_out = (uInt)(*tgtsize);
|
280 |
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stream.bzalloc = 0;
|
281 |
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stream.bzfree = 0;
|
282 |
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stream.opaque = 0;
|
283 |
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|
284 |
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err = BZ2_bzCompressInit(&stream, 9, 0, 1+(9-cxlevel)*25);
|
285 |
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if (err != BZ_OK) {
|
286 |
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printf("error %d in BZ2_bzCompressInit (bzlib)\n",err);
|
287 |
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return;
|
288 |
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}
|
289 |
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err = BZ2_bzCompress(&stream, BZ_FINISH);
|
290 |
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if (err != BZ_STREAM_END) {
|
291 |
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BZ2_bzCompressEnd(&stream);
|
292 |
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//printf("error %d in BZ2_bzCompress (bzlib) is not = %d\n",err,BZ_STREAM_END);
|
293 |
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return;
|
294 |
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}
|
295 |
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err = BZ2_bzCompressEnd(&stream);
|
296 |
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|
297 |
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out_size = stream.total_out_lo32; /* compressed size */
|
298 |
|
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if (out_size>=bzipfrac*in_size) {
|
299 |
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out_size = in_size;
|
300 |
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memcpy(tgtptr,src,out_size);
|
301 |
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tgt[0] = 'X'; /* signature xx */
|
302 |
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tgt[1] = 'X';
|
303 |
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method = 0;
|
304 |
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} else {
|
305 |
|
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tgt[0] = 'B'; /* signature bzlib */
|
306 |
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tgt[1] = 'Z';
|
307 |
|
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method = 2;
|
308 |
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}
|
309 |
|
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} else if (R__ZipMode == 1) { /*zip*/
|
310 |
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z_stream stream;
|
311 |
|
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stream.next_in = (Bytef*)src;
|
312 |
|
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stream.avail_in = (uInt)(in_size);
|
313 |
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stream.next_out = (Bytef*)(tgtptr);
|
314 |
|
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stream.avail_out = (uInt)(*tgtsize);
|
315 |
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stream.zalloc = (alloc_func)0;
|
316 |
|
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stream.zfree = (free_func)0;
|
317 |
|
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stream.opaque = (voidpf)0;
|
318 |
|
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|
319 |
|
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err = deflateInit(&stream, cxlevel);
|
320 |
|
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if (err != Z_OK) {
|
321 |
|
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printf("error %d in deflateInit (zlib)\n",err);
|
322 |
|
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return;
|
323 |
|
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}
|
324 |
|
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err = deflate(&stream, Z_FINISH);
|
325 |
|
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if (err != Z_STREAM_END) {
|
326 |
|
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deflateEnd(&stream);
|
327 |
|
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//printf("error %d in deflate (zlib) is not = %d\n",err,Z_STREAM_END);
|
328 |
|
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return;
|
329 |
|
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}
|
330 |
|
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err = deflateEnd(&stream);
|
331 |
|
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|
332 |
|
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out_size = stream.total_out; /* compressed size */
|
333 |
|
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if (out_size>=gzipfrac*in_size) {
|
334 |
|
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out_size = in_size;
|
335 |
|
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memcpy(tgtptr,src,out_size);
|
336 |
|
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tgt[0] = 'X'; /* signature xx */
|
337 |
|
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tgt[1] = 'X';
|
338 |
|
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method = 0;
|
339 |
|
|
} else {
|
340 |
|
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tgt[0] = 'Z'; /* signature zlib */
|
341 |
|
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tgt[1] = 'L';
|
342 |
|
|
method = Z_DEFLATED;
|
343 |
|
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}
|
344 |
|
|
} else if (R__ZipMode == 0) {
|
345 |
|
|
printf("error: Old zip method not supported in this patch.");
|
346 |
|
|
return;
|
347 |
|
|
}
|
348 |
|
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|
349 |
|
|
// fill rest of header
|
350 |
|
|
tgt[2] = (char)method;
|
351 |
|
|
tgt[3] = (char)(out_size & 0xff);
|
352 |
|
|
tgt[4] = (char)((out_size >> 8) & 0xff);
|
353 |
|
|
tgt[5] = (char)((out_size >> 16) & 0xff);
|
354 |
|
|
tgt[6] = (char)(in_size & 0xff);
|
355 |
|
|
tgt[7] = (char)((in_size >> 8) & 0xff);
|
356 |
|
|
tgt[8] = (char)((in_size >> 16) & 0xff);
|
357 |
|
|
*irep = out_size + HDRSIZE;
|
358 |
|
|
|
359 |
|
|
if (myverbose==1||myverbose>9) {
|
360 |
|
|
printf("R__zip:: zm=%d m=%d cl=%d: %c%c compressed %lu bytes into %lu bytes -> %.3f%%\n",
|
361 |
|
|
R__ZipMode, method, cxlevel, tgt[0], tgt[1],
|
362 |
|
|
(unsigned long)in_size, (unsigned long)out_size, (double)out_size/in_size*100.);
|
363 |
|
|
}
|
364 |
|
|
}
|
365 |
|
|
|
366 |
|
|
//--------------------------------------------------------------------------------------------------
|
367 |
|
|
void R__unzip(int *srcsize, uch *src, int *tgtsize, uch *tgt, int *irep)
|
368 |
|
|
/* Input: scrsize - size of input buffer */
|
369 |
|
|
/* src - input buffer */
|
370 |
|
|
/* tgtsize - size of target buffer */
|
371 |
|
|
/* Output: tgt - target buffer (decompressed) */
|
372 |
|
|
/* irep - size of decompressed data */
|
373 |
|
|
/* 0 - if error */
|
374 |
|
|
{
|
375 |
|
|
unsigned int osize = 0;
|
376 |
|
|
unsigned int ibufcnt = 0, obufcnt = 0;
|
377 |
|
|
uch *ibufptr = 0, *obufptr = 0;
|
378 |
|
|
*irep = 0L;
|
379 |
|
|
|
380 |
|
|
/* C H E C K H E A D E R */
|
381 |
|
|
if (*srcsize < HDRSIZE) {
|
382 |
|
|
fprintf(stderr,"R__unzip: too small source\n");
|
383 |
|
|
return;
|
384 |
|
|
}
|
385 |
|
|
|
386 |
|
|
char method = src[2];
|
387 |
|
|
if (method!=0 && method!=2 && method!=4 && method!=Z_DEFLATED && method!=11
|
388 |
|
|
&& method!=12 && method!=15 && method!=19) {
|
389 |
|
|
fprintf(stderr,"R__unzip: error in header -> unknown method %d\n", method);
|
390 |
|
|
return;
|
391 |
|
|
}
|
392 |
|
|
|
393 |
|
|
if ((method==0 && (src[0] != 'X' || src[1] != 'X')) ||
|
394 |
|
|
(method==2 && (src[0] != 'B' || src[1] != 'Z')) ||
|
395 |
|
|
(method==4 && (src[0] != 'R' || src[1] != 'E')) ||
|
396 |
|
|
(method==Z_DEFLATED && ((src[0] != 'C' || src[1] != 'S') &&
|
397 |
|
|
(src[0] != 'Z' || src[1] != 'L'))) ||
|
398 |
|
|
((method==11 || method==12 || method==15 || method==19) &&
|
399 |
|
|
(src[0] != 'L' || src[1] != 'O'))) {
|
400 |
|
|
fprintf(stderr,"R__unzip: error in header -> m=%d with %c%c\n",
|
401 |
|
|
method, src[0], src[1]);
|
402 |
|
|
return;
|
403 |
|
|
}
|
404 |
|
|
|
405 |
|
|
ibufptr = src + HDRSIZE;
|
406 |
|
|
ibufcnt = (unsigned int)src[3] | ((unsigned int)src[4] << 8) | ((unsigned int)src[5] << 16);
|
407 |
|
|
osize = (unsigned int)src[6] | ((unsigned int)src[7] << 8) | ((unsigned int)src[8] << 16);
|
408 |
|
|
obufptr = tgt;
|
409 |
|
|
obufcnt = *tgtsize;
|
410 |
|
|
|
411 |
|
|
if (obufcnt < osize) {
|
412 |
|
|
fprintf(stderr,"R__unzip: too small target\n");
|
413 |
|
|
return;
|
414 |
|
|
}
|
415 |
|
|
|
416 |
|
|
if (ibufcnt + HDRSIZE != *srcsize) {
|
417 |
|
|
fprintf(stderr,"R__unzip: discrepancy in source length\n");
|
418 |
|
|
return;
|
419 |
|
|
}
|
420 |
|
|
|
421 |
|
|
if (myverbose==2 || myverbose>9) {
|
422 |
|
|
printf("R__unzip:: zm=%d m=%d: %c%c uncompressed %lu bytes from %lu bytes (%.3f%%)\n",
|
423 |
|
|
R__ZipMode, method, src[0], src[1], osize, ibufcnt, (double)ibufcnt/osize*100.);
|
424 |
|
|
}
|
425 |
|
|
|
426 |
|
|
if (method==0) { // apparently this is not reached since underlying ROOT code catches this
|
427 |
|
|
if (ibufcnt!=osize) {
|
428 |
|
|
fprintf(stderr,"R__unzip: error in header -> input should be output %d!=%d\n",
|
429 |
|
|
ibufcnt, osize);
|
430 |
|
|
return;
|
431 |
|
|
}
|
432 |
|
|
memcpy(obufptr,ibufptr,osize);
|
433 |
|
|
*irep = obufcnt;
|
434 |
|
|
return;
|
435 |
|
|
}
|
436 |
|
|
|
437 |
|
|
/* D E C O M P R E S S D A T A */
|
438 |
|
|
if (src[0] == 'R' && src[1] == 'E') { /* rle format */
|
439 |
|
|
RLE_Uncompress(ibufptr, obufptr, ibufcnt);
|
440 |
|
|
*irep = obufcnt;
|
441 |
|
|
return;
|
442 |
|
|
} else if (src[0] == 'L' && src[1] == 'O') { /* lolib format */
|
443 |
|
|
|
444 |
|
|
int err = lzo_init();
|
445 |
|
|
if ( err != LZO_E_OK) {
|
446 |
|
|
fprintf(stderr,"R__unzip: error %d in lzo_init (lzolib)\n",err);
|
447 |
|
|
return;
|
448 |
|
|
}
|
449 |
|
|
lzo_uint new_len = obufcnt;
|
450 |
|
|
err = lzo1x_decompress(ibufptr,ibufcnt,obufptr,&new_len, NULL);
|
451 |
|
|
if ((err != LZO_E_OK) || (new_len!=osize)) {
|
452 |
|
|
fprintf(stderr,"R__unzip: error %d (%d,%d) in lzo1x_decompress (lzolib)\n",
|
453 |
|
|
err, new_len, osize);
|
454 |
|
|
return;
|
455 |
|
|
}
|
456 |
|
|
*irep = obufcnt;
|
457 |
|
|
return;
|
458 |
|
|
} else if (src[0] == 'B' && src[1] == 'Z') { /* bzlib format */
|
459 |
|
|
bz_stream stream; /* decompression stream */
|
460 |
|
|
stream.next_in = ibufptr;
|
461 |
|
|
stream.avail_in = ibufcnt;
|
462 |
|
|
stream.next_out = obufptr;
|
463 |
|
|
stream.avail_out = obufcnt;
|
464 |
|
|
stream.bzalloc = 0;//my_balloc;
|
465 |
|
|
stream.bzfree = 0;//my_bfree;
|
466 |
|
|
stream.opaque = 0;
|
467 |
|
|
|
468 |
|
|
int err = BZ2_bzDecompressInit(&stream,0,0);
|
469 |
|
|
if (err != BZ_OK) {
|
470 |
|
|
fprintf(stderr,"R__unzip: error %d in BZ2_bzDecompressInit (bzlib)\n",err);
|
471 |
|
|
return;
|
472 |
|
|
}
|
473 |
|
|
err = BZ2_bzDecompress(&stream);
|
474 |
|
|
if (err != BZ_STREAM_END) {
|
475 |
|
|
fprintf(stderr,"R__unzip: error %d inBZ2_bzDecompress (bzlib)\n",err);
|
476 |
|
|
BZ2_bzDecompressEnd(&stream);
|
477 |
|
|
return;
|
478 |
|
|
}
|
479 |
|
|
BZ2_bzDecompressEnd(&stream);
|
480 |
|
|
*irep = stream.total_out_lo32;
|
481 |
|
|
return;
|
482 |
|
|
} else if (src[0] == 'Z' && src[1] == 'L') { /* zlib format */
|
483 |
|
|
z_stream stream; /* decompression stream */
|
484 |
|
|
stream.next_in = (Bytef*)(&src[HDRSIZE]);
|
485 |
|
|
stream.avail_in = (uInt)(*srcsize);
|
486 |
|
|
stream.next_out = (Bytef*)tgt;
|
487 |
|
|
stream.avail_out = (uInt)(*tgtsize);
|
488 |
|
|
stream.zalloc = 0; // my_zalloc;
|
489 |
|
|
stream.zfree = 0; //my_zfree;
|
490 |
|
|
stream.opaque = (voidpf)0;
|
491 |
|
|
|
492 |
|
|
int err = inflateInit(&stream);
|
493 |
|
|
if (err != Z_OK) {
|
494 |
|
|
fprintf(stderr,"R__unzip: error %d in inflateInit (zlib)\n",err);
|
495 |
|
|
return;
|
496 |
|
|
}
|
497 |
|
|
err = inflate(&stream, Z_FINISH);
|
498 |
|
|
if (err != Z_STREAM_END) {
|
499 |
|
|
inflateEnd(&stream);
|
500 |
|
|
fprintf(stderr,"R__unzip: error %d in inflate (zlib)\n",err);
|
501 |
|
|
return;
|
502 |
|
|
}
|
503 |
|
|
inflateEnd(&stream);
|
504 |
|
|
*irep = stream.total_out;
|
505 |
|
|
return;
|
506 |
|
|
} else if (src[0] == 'C' && src[1] == 'S') { /* old zlib format */
|
507 |
|
|
if (R__Inflate(&ibufptr, &ibufcnt, &obufptr, &obufcnt)) {
|
508 |
|
|
fprintf(stderr,"R__unzip: error during decompression\n");
|
509 |
|
|
return;
|
510 |
|
|
}
|
511 |
|
|
|
512 |
|
|
/* if (obufptr - tgt != osize) {
|
513 |
|
|
There are some rare cases when a few more bytes are required */
|
514 |
|
|
if (obufptr - tgt > *tgtsize) {
|
515 |
|
|
fprintf(stderr,"R__unzip: discrepancy (%ld) with initial size: %ld, tgtsize=%d\n",
|
516 |
|
|
(long)(obufptr - tgt),osize,*tgtsize);
|
517 |
|
|
*irep = obufptr - tgt;
|
518 |
|
|
return;
|
519 |
|
|
}
|
520 |
|
|
*irep = osize;
|
521 |
|
|
} else {
|
522 |
|
|
fprintf(stderr,"R__unzip: Format not supported -> m=%d with %d%d", method, src[0], src[1]);
|
523 |
|
|
return;
|
524 |
|
|
}
|
525 |
|
|
}
|