Initial revision

This commit is contained in:
Hans Lambermont
2002-10-12 11:37:38 +00:00
commit 12315f4d0e
1699 changed files with 444708 additions and 0 deletions

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/**
* $Id$
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
* zlib inflate and deflate stream header
*/
#ifndef BLO_IN_DE_FLATE_H
#define BLO_IN_DE_FLATE_H
#ifdef __cplusplus
extern "C" {
#endif
#include "BLO_sys_types.h"
#define IN_DE_FLATEHEADERSTRUCTSIZE sizeof(struct BLO_in_de_flateHeaderStruct)
/* POSIX datatypes, use BYTEORDER(3) */
struct BLO_in_de_flateHeaderStruct {
uint8_t magic; /* poor mans header recognize check */
uint32_t compressedLength; /* how much compressed data is there */
uint32_t uncompressedLength; /* how much uncompressed data there is */
uint32_t dictionary_id; /* which dictionary are we using */
uint32_t dictId; /* Adler32 value of the dictionary */
uint32_t crc; /* header minus crc itself checksum */
};
#ifdef __cplusplus
}
#endif
#endif /* BLO_IN_DE_FLATE_H */

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/**
* $Id$
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
* zlib inflate decompression wrapper library interface
*/
#ifndef BLO_INFLATE_H
#define BLO_INFLATE_H
#ifdef __cplusplus
extern "C" {
#endif
#define INFLATE_DECLARE_HANDLE(name) typedef struct name##__ { int unused; } *name
INFLATE_DECLARE_HANDLE(BLO_inflateStructHandle);
/**
* zlib inflate decompression initializer
* @retval pointer to inflate control structure
*/
BLO_inflateStructHandle
BLO_inflate_begin(
void *endControl);
/**
* zlib inflate dataprocessor wrapper
* @param BLO_inflate Pointer to inflate control structure
* @param data Pointer to new data
* @param dataIn New data amount
* @retval streamGlueRead return value
*/
int
BLO_inflate_process(
BLO_inflateStructHandle BLO_inflate_handle,
unsigned char *data,
unsigned int dataIn);
/**
* zlib inflate final call and cleanup
* @param BLO_inflate Pointer to inflate control structure
* @retval streamGlueRead return value
*/
int
BLO_inflate_end(
BLO_inflateStructHandle BLO_inflate_handle);
#ifdef __cplusplus
}
#endif
#endif /* BLO_INFLATE_H */

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#
# $Id$
#
# ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version. The Blender
# Foundation also sells licenses for use in proprietary software under
# the Blender License. See http://www.blender.org/BL/ for information
# about this.
#
# 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
# All rights reserved.
#
# The Original Code is: all of this file.
#
# Contributor(s): none yet.
#
# ***** END GPL/BL DUAL LICENSE BLOCK *****
#
# Bounces make to subdirectories.
SOURCEDIR = source/blender/inflate
DIRS = intern
include nan_subdirs.mk

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/**
* $Id$
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
* zlib inflate decompression wrapper library
*/
#include <stdio.h>
#include <stdlib.h>
#include "zlib.h"
#include "GEN_messaging.h"
#include "BLO_readStreamGlue.h"
#include "BLO_in_de_flateHeader.h" /* used by deflate and inflate */
#include "BLO_inflate.h"
// TODO use other error function
static int CHECK_ERR(int err, char *msg);
static int CHECK_ERR(int err, char *msg)
{
if (err != Z_OK) {
#ifndef NDEBUG
fprintf(GEN_errorstream,
"%s error: %d\n",
msg,
err);
#endif
return 1;
}
return 0;
}
struct inflateStructType {
uInt compresSize; /* fixed compresBuf size in bytes */
Bytef *compresBuf; /* reusable fixed size output buffer for inflate */
struct readStreamGlueStruct *streamGlue;
struct BLO_in_de_flateHeaderStruct *streamHeader;
unsigned int streamDone;
unsigned char headerbuffer[IN_DE_FLATEHEADERSTRUCTSIZE];
z_stream d_stream; /* decompression stream */
char dictionary[50];
uLong dictId; /* Adler32 value of the dictionary */
void *endControl;
};
/**
* zlib inflate decompression initializer
* @retval pointer to inflate control structure
*/
BLO_inflateStructHandle
BLO_inflate_begin(
void *endControl)
{
int err = 0; /* our own error */
char *errmessage = "inflateInit";
struct inflateStructType *control;
control = malloc(sizeof(struct inflateStructType));
if (!control) return NULL;
control->compresSize = (100000 * 1.1) + 12;
control->compresBuf = (Bytef *)malloc(control->compresSize);
if (!control->compresBuf) {
free(control);
return NULL;
}
control->streamGlue = NULL;
control->streamHeader = malloc(IN_DE_FLATEHEADERSTRUCTSIZE);
if (!control->streamHeader) {
free(control->compresBuf);
free(control);
return NULL;
}
control->streamHeader->magic = 0;
control->streamHeader->compressedLength = 0;
control->streamHeader->uncompressedLength = 0;
control->streamHeader->dictionary_id = 0;
control->streamHeader->dictId = 0;
control->streamHeader->crc = 0;
control->streamDone = 0;
memset(control->headerbuffer, 0, IN_DE_FLATEHEADERSTRUCTSIZE);
control->d_stream.zalloc = (alloc_func)0;
control->d_stream.zfree = (free_func)0;
control->d_stream.opaque = (voidpf)0;
// TODO use dictionary index, this is id = 1 :
strcpy(control->dictionary, "sure this is not a number");
/* we need to rewire this to also return err */
err = inflateInit(&(control->d_stream));
err = CHECK_ERR(err, errmessage);
if (err) {
free(control->compresBuf);
free(control->streamHeader);
free(control);
return NULL;
}
control->dictId = control->d_stream.adler;
control->d_stream.next_out = control->compresBuf;
control->d_stream.avail_out = control->compresSize;
control->d_stream.next_in = NULL;
control->d_stream.avail_in = 0;
control->endControl = endControl;
return((BLO_inflateStructHandle) control);
}
/**
* zlib inflate dataprocessor wrapper
* @param BLO_inflate Pointer to inflate control structure
* @param data Pointer to new data
* @param dataIn New data amount
* @retval streamGlueRead return value
*/
int
BLO_inflate_process(
BLO_inflateStructHandle BLO_inflate_handle,
unsigned char *data,
unsigned int dataIn)
{
int zlib_err = 0;
int err = 0;
char *errmsg1 = "inflateSetDictionary";
struct inflateStructType *BLO_inflate =
(struct inflateStructType *) BLO_inflate_handle;
if (!BLO_inflate) {
err = BRS_SETFUNCTION(BRS_INFLATE) |
BRS_SETGENERR(BRS_NULL);
return err;
}
/* First check if we have our header filled in yet */
if (BLO_inflate->streamHeader->compressedLength == 0) {
unsigned int processed;
if (dataIn == 0) return err; /* really need data to do anything */
processed = ((dataIn + BLO_inflate->streamDone) <=
IN_DE_FLATEHEADERSTRUCTSIZE)
? dataIn : IN_DE_FLATEHEADERSTRUCTSIZE;
memcpy(BLO_inflate->headerbuffer + BLO_inflate->streamDone,
data, processed);
BLO_inflate->streamDone += processed;
dataIn -= processed;
data += processed;
if (BLO_inflate->streamDone == IN_DE_FLATEHEADERSTRUCTSIZE) {
/* we have the whole header, absorb it */
struct BLO_in_de_flateHeaderStruct *header;
uint32_t crc;
header = (struct BLO_in_de_flateHeaderStruct *)
BLO_inflate->headerbuffer;
BLO_inflate->streamHeader->compressedLength =
ntohl(header->compressedLength);
BLO_inflate->streamHeader->uncompressedLength =
ntohl(header->uncompressedLength);
BLO_inflate->streamHeader->dictId =
ntohl(header->dictId);
BLO_inflate->streamHeader->dictionary_id =
ntohl(header->dictionary_id);
crc = crc32(0L, (const Bytef *) header,
IN_DE_FLATEHEADERSTRUCTSIZE - 4);
if (header->magic == 'B') {
#ifndef NDEBUG
fprintf(GEN_errorstream,
"BLO_in_de_flateHeaderStruct Magic confirmed\n");
#endif
} else {
#ifndef NDEBUG
fprintf(GEN_errorstream,
"ERROR BLO_in_de_flateHeaderStruct Magic NOT confirmed\n");
#endif
err = BRS_SETFUNCTION(BRS_INFLATE) |
BRS_SETGENERR(BRS_MAGIC);
if (BLO_inflate->streamGlue) free(BLO_inflate->streamGlue);
if (BLO_inflate->streamHeader) free(BLO_inflate->streamHeader);
if (BLO_inflate->compresBuf) free(BLO_inflate->compresBuf);
free(BLO_inflate);
return err;
}
if (crc == ntohl(header->crc)) {
#ifndef NDEBUG
fprintf(GEN_errorstream,
"BLO_in_de_flateHeader CRC correct\n");
#endif
} else {
#ifndef NDEBUG
fprintf(GEN_errorstream,
"ERROR BLO_in_de_flateHeader CRC NOT correct\n");
#endif
err = BRS_SETFUNCTION(BRS_INFLATE) |
BRS_SETGENERR(BRS_CRCHEADER);
if (BLO_inflate->streamGlue) free(BLO_inflate->streamGlue);
if (BLO_inflate->streamHeader) free(BLO_inflate->streamHeader);
if (BLO_inflate->compresBuf) free(BLO_inflate->compresBuf);
free(BLO_inflate);
return err;
}
#ifndef NDEBUG
fprintf(GEN_errorstream,
"BLO_inflate_process gets %u compressed bytes, will be %u uncompressed\n",
(unsigned int) BLO_inflate->streamHeader->compressedLength,
(unsigned int) BLO_inflate->streamHeader->uncompressedLength);
#endif
}
}
/* Is there really (still) new data available ? */
if (dataIn > 0) {
int inflateWantsToLoopAgain = 0;
BLO_inflate->d_stream.next_in = data;
BLO_inflate->d_stream.avail_in = dataIn;
do {
zlib_err = inflate(&(BLO_inflate->d_stream), Z_SYNC_FLUSH);
if (zlib_err == Z_NEED_DICT) {
// TODO we can use BLO_inflate->d_stream.adler (it has
// multiple uses) to select the dictionary to use. This is id=1
zlib_err = inflateSetDictionary(&(BLO_inflate->d_stream),
(const Bytef*)BLO_inflate->dictionary,
strlen(BLO_inflate->dictionary));
err = CHECK_ERR(zlib_err, errmsg1);
if (err) {
err = BRS_SETFUNCTION(BRS_INFLATE) |
BRS_SETSPECERR(BRS_INFLATEERROR);
if (BLO_inflate->streamGlue) free(BLO_inflate->streamGlue);
if (BLO_inflate->streamHeader) free(BLO_inflate->streamHeader);
if (BLO_inflate->compresBuf) free(BLO_inflate->compresBuf);
free(BLO_inflate);
return err;
}
// go again
zlib_err = inflate(&(BLO_inflate->d_stream), Z_SYNC_FLUSH);
}
if (zlib_err == Z_STREAM_END) {
#ifndef NDEBUG
fprintf(GEN_errorstream,
"Note: inflate returned Z_STREAM_END\n");
#endif
} else if (zlib_err != Z_OK) {
#ifndef NDEBUG
fprintf(GEN_errorstream, "Error: inflate should return Z_OK, not %d\n", zlib_err);
#endif
err = BRS_SETFUNCTION(BRS_INFLATE) |
BRS_SETSPECERR(BRS_INFLATEERROR);
if (BLO_inflate->streamGlue) free(BLO_inflate->streamGlue);
if (BLO_inflate->streamHeader) free(BLO_inflate->streamHeader);
if (BLO_inflate->compresBuf) free(BLO_inflate->compresBuf);
free(BLO_inflate);
return err;
}
if (BLO_inflate->d_stream.avail_out == 0) {
#ifndef NDEBUG
fprintf(GEN_errorstream,
"Note: inflate needs more output space, loop again %u\n",
(unsigned int) BLO_inflate->d_stream.avail_in);
#endif
inflateWantsToLoopAgain = 1;
} else {
#ifndef NDEBUG
if (inflateWantsToLoopAgain == 1)
fprintf(GEN_errorstream,
"Note: this is inflates last loop\n");
#endif
inflateWantsToLoopAgain = 0;
#ifndef NDEBUG
fprintf(GEN_errorstream, "inflated %u to %u (flushes) err=%d\n",
dataIn,
(unsigned int) (BLO_inflate->compresSize - BLO_inflate->d_stream.avail_out),
err);
#endif
}
// give data to streamGlueRead, it will find out what to do next
err = readStreamGlue(
BLO_inflate->endControl,
&(BLO_inflate->streamGlue),
BLO_inflate->compresBuf,
BLO_inflate->compresSize - BLO_inflate->d_stream.avail_out);
BLO_inflate->d_stream.next_out = BLO_inflate->compresBuf;
BLO_inflate->d_stream.avail_out = BLO_inflate->compresSize;
} while (inflateWantsToLoopAgain == 1);
}
return err;
}
/**
* zlib inflate final call and cleanup
* @param BLO_inflate Pointer to inflate control structure
* @retval streamGlueRead return value
*/
int
BLO_inflate_end(
BLO_inflateStructHandle BLO_inflate_handle)
{
char *errmsg2 = "inflateEnd";
int err = 0;
int zlib_err = 0;
struct inflateStructType *BLO_inflate =
(struct inflateStructType *) BLO_inflate_handle;
// TODO perhaps check streamHeader->totalStreamLength
if (!BLO_inflate) {
err = BRS_SETFUNCTION(BRS_INFLATE) |
BRS_SETGENERR(BRS_NULL);
return err;
}
BLO_inflate->d_stream.avail_in = 0;
// Note: do not also set BLO_inflate->d_stream.next_in to NULL, it
// is illegal (zlib.h:374) and causes a Z_STREAM_ERROR
zlib_err = inflate(&(BLO_inflate->d_stream), Z_FINISH);
if (zlib_err != Z_STREAM_END) {
#ifdef NDEBUG
fprintf(GEN_errorstream,
"inflate should report Z_STREAM_END, not %d\n",
err);
if (BLO_inflate->d_stream.avail_out == 0) {
fprintf(GEN_errorstream,
"Error: inflate wanted more output buffer space\n");
// Note that we CANNOT inflate-loop again !
// But this should never happen because we Z_SYNC_FLUSH
}
#endif
err = BRS_SETFUNCTION(BRS_INFLATE) |
BRS_SETSPECERR(BRS_INFLATEERROR);
if (BLO_inflate->streamGlue) free(BLO_inflate->streamGlue);
if (BLO_inflate->streamHeader) free(BLO_inflate->streamHeader);
if (BLO_inflate->compresBuf) free(BLO_inflate->compresBuf);
free(BLO_inflate);
return err;
}
zlib_err = inflateEnd(&(BLO_inflate->d_stream));
err = CHECK_ERR(zlib_err, errmsg2);
if (err) {
err = BRS_SETFUNCTION(BRS_INFLATE) |
BRS_SETSPECERR(BRS_INFLATEERROR);
if (BLO_inflate->streamGlue) free(BLO_inflate->streamGlue);
if (BLO_inflate->streamHeader) free(BLO_inflate->streamHeader);
if (BLO_inflate->compresBuf) free(BLO_inflate->compresBuf);
free(BLO_inflate);
return err;
}
if (BLO_inflate->d_stream.adler != BLO_inflate->dictId) {
// data was corrupted
#ifndef NDEBUG
fprintf(GEN_errorstream,
"Failed adler checksum\n");
#endif
err = BRS_SETFUNCTION(BRS_INFLATE) |
BRS_SETGENERR(BRS_CRCDATA);
if (BLO_inflate->streamGlue) free(BLO_inflate->streamGlue);
if (BLO_inflate->streamHeader) free(BLO_inflate->streamHeader);
if (BLO_inflate->compresBuf) free(BLO_inflate->compresBuf);
free(BLO_inflate);
return err;
} else {
#ifndef NDEBUG
fprintf(GEN_errorstream,
"Passed adler checksum\n");
#endif
}
/* ready decompressing */
#ifndef NDEBUG
fprintf(GEN_errorstream,
"DeCompressed %ld bytes to %ld (%.0f%%)\n",
BLO_inflate->d_stream.total_in, BLO_inflate->d_stream.total_out,
100. * (float)BLO_inflate->d_stream.total_out /
(float)BLO_inflate->d_stream.total_in);
#endif
err = readStreamGlue(
BLO_inflate->endControl,
&(BLO_inflate->streamGlue),
BLO_inflate->compresBuf,
BLO_inflate->compresSize - BLO_inflate->d_stream.avail_out);
BLO_inflate->d_stream.next_out = BLO_inflate->compresBuf;
BLO_inflate->d_stream.avail_out = BLO_inflate->compresSize;
if (BLO_inflate->streamGlue) free(BLO_inflate->streamGlue);
if (BLO_inflate->streamHeader) free(BLO_inflate->streamHeader);
if (BLO_inflate->compresBuf) free(BLO_inflate->compresBuf);
free(BLO_inflate);
return err;
}

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#
# $Id$
#
# ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version. The Blender
# Foundation also sells licenses for use in proprietary software under
# the Blender License. See http://www.blender.org/BL/ for information
# about this.
#
# 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
# All rights reserved.
#
# The Original Code is: all of this file.
#
# Contributor(s): none yet.
#
# ***** END GPL/BL DUAL LICENSE BLOCK *****
#
#
LIBNAME = inflate
DIR = $(OCGDIR)/blender/$(LIBNAME)
include nan_compile.mk
ifeq ($(OS),$(findstring $(OS), "beos darwin freebsd linux openbsd solaris windows"))
CFLAGS += -funsigned-char
endif
CFLAGS += $(LEVEL_1_C_WARNINGS)
# path to our own external headerfiles
CPPFLAGS += -I..
# external modules
CPPFLAGS += -I../../../kernel/gen_messaging
CPPFLAGS += -I../../readstreamglue
ifeq ($(OS),$(findstring $(OS), "solaris windows"))
CPPFLAGS += -I$(NAN_ZLIB)/include
endif