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Add license and other minor fixes.

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This commit is contained in:
Moinak Ghosh 2012-06-21 20:40:43 +05:30
parent 733923cbf2
commit 8f5f531967
3 changed files with 44 additions and 2 deletions
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2
Makefile
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@ -44,7 +44,7 @@ CRCSRCS = lzma/crc64_fast.c lzma/crc64_table.c
CRCHDRS = lzma/crc64_table_le.h lzma/crc64_table_be.h lzma/crc_macros.h CRCHDRS = lzma/crc64_table_le.h lzma/crc64_table_be.h lzma/crc_macros.h
CRCOBJS = $(CRCSRCS:.c=.o) CRCOBJS = $(CRCSRCS:.c=.o)
BAKFILES = *~ lzma/*~ BAKFILES = *~ lzma/*~ rabin/*~
RM = rm -f RM = rm -f
CPPFLAGS = -I. -I./lzma -I./rabin -D_7ZIP_ST -DNODEFAULT_PROPS -DFILE_OFFSET_BITS=64 \ CPPFLAGS = -I. -I./lzma -I./rabin -D_7ZIP_ST -DNODEFAULT_PROPS -DFILE_OFFSET_BITS=64 \

23
rabin/rabin_polynomial.c
View file

@ -35,6 +35,27 @@
* *
*/ */
/*
* This file is a part of Pcompress, a chunked parallel multi-
* algorithm lossless compression and decompression program.
*
* Copyright (C) 2012 Moinak Ghosh. All rights reserved.
* Use is subject to license terms.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* moinakg@belenix.org, http://moinakg.wordpress.com/
*
*/
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
@ -121,7 +142,7 @@ scan_rabin_chunks(rabin_context_t *ctx, void *buf, ssize_t size, ssize_t offset)
if (ctx->window_pos == RAB_POLYNOMIAL_WIN_SIZE) // Loop back around if (ctx->window_pos == RAB_POLYNOMIAL_WIN_SIZE) // Loop back around
ctx->window_pos=0; ctx->window_pos=0;
// If we hit our special value or reached the max block size create a new block // If we hit our special value or reached the max block size update block offset
if ((ctx->cur_roll_checksum & RAB_POLYNOMIAL_AVG_BLOCK_MASK) == RAB_POLYNOMIAL_CONST || if ((ctx->cur_roll_checksum & RAB_POLYNOMIAL_AVG_BLOCK_MASK) == RAB_POLYNOMIAL_CONST ||
length >= rabin_polynomial_max_block_size) { length >= rabin_polynomial_max_block_size) {
last_offset = i+1; last_offset = i+1;

21
rabin/rabin_polynomial.h
View file

@ -35,6 +35,27 @@
* *
*/ */
/*
* This file is a part of Pcompress, a chunked parallel multi-
* algorithm lossless compression and decompression program.
*
* Copyright (C) 2012 Moinak Ghosh. All rights reserved.
* Use is subject to license terms.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* moinakg@belenix.org, http://moinakg.wordpress.com/
*
*/
//List of constants, mostly constraints and defaults for various parameters //List of constants, mostly constraints and defaults for various parameters
//to the Rabin Fingerprinting algorithm //to the Rabin Fingerprinting algorithm