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Adding new files from ioquake3

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Richard Allen 2010-08-22 04:29:21 +00:00
parent 5aab7746ae
commit f9b3e2b307
2 changed files with 257 additions and 0 deletions
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182
reaction/code/qcommon/ioapi.c Normal file
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/* ioapi.c -- IO base function header for compress/uncompress .zip
files using zlib + zip or unzip API
Version 1.01e, February 12th, 2005
Copyright (C) 1998-2005 Gilles Vollant
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef USE_LOCAL_HEADERS
#include "../zlib/zlib.h"
#else
#include <zlib.h>
#endif
#include "ioapi.h"
/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */
#ifndef SEEK_CUR
#define SEEK_CUR 1
#endif
#ifndef SEEK_END
#define SEEK_END 2
#endif
#ifndef SEEK_SET
#define SEEK_SET 0
#endif
voidpf ZCALLBACK fopen_file_func OF((
voidpf opaque,
const char* filename,
int mode));
uLong ZCALLBACK fread_file_func OF((
voidpf opaque,
voidpf stream,
void* buf,
uLong size));
uLong ZCALLBACK fwrite_file_func OF((
voidpf opaque,
voidpf stream,
const void* buf,
uLong size));
long ZCALLBACK ftell_file_func OF((
voidpf opaque,
voidpf stream));
long ZCALLBACK fseek_file_func OF((
voidpf opaque,
voidpf stream,
uLong offset,
int origin));
int ZCALLBACK fclose_file_func OF((
voidpf opaque,
voidpf stream));
int ZCALLBACK ferror_file_func OF((
voidpf opaque,
voidpf stream));
voidpf ZCALLBACK fopen_file_func (opaque, filename, mode)
voidpf opaque;
const char* filename;
int mode;
{
FILE* file = NULL;
const char* mode_fopen = NULL;
if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
mode_fopen = "rb";
else
if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
mode_fopen = "r+b";
else
if (mode & ZLIB_FILEFUNC_MODE_CREATE)
mode_fopen = "wb";
if ((filename!=NULL) && (mode_fopen != NULL))
file = fopen(filename, mode_fopen);
return file;
}
uLong ZCALLBACK fread_file_func (opaque, stream, buf, size)
voidpf opaque;
voidpf stream;
void* buf;
uLong size;
{
uLong ret;
ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream);
return ret;
}
uLong ZCALLBACK fwrite_file_func (opaque, stream, buf, size)
voidpf opaque;
voidpf stream;
const void* buf;
uLong size;
{
uLong ret;
ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream);
return ret;
}
long ZCALLBACK ftell_file_func (opaque, stream)
voidpf opaque;
voidpf stream;
{
long ret;
ret = ftell((FILE *)stream);
return ret;
}
long ZCALLBACK fseek_file_func (opaque, stream, offset, origin)
voidpf opaque;
voidpf stream;
uLong offset;
int origin;
{
int fseek_origin=0;
long ret;
switch (origin)
{
case ZLIB_FILEFUNC_SEEK_CUR :
fseek_origin = SEEK_CUR;
break;
case ZLIB_FILEFUNC_SEEK_END :
fseek_origin = SEEK_END;
break;
case ZLIB_FILEFUNC_SEEK_SET :
fseek_origin = SEEK_SET;
break;
default: return -1;
}
ret = 0;
fseek((FILE *)stream, offset, fseek_origin);
return ret;
}
int ZCALLBACK fclose_file_func (opaque, stream)
voidpf opaque;
voidpf stream;
{
int ret;
ret = fclose((FILE *)stream);
return ret;
}
int ZCALLBACK ferror_file_func (opaque, stream)
voidpf opaque;
voidpf stream;
{
int ret;
ret = ferror((FILE *)stream);
return ret;
}
void fill_fopen_filefunc (pzlib_filefunc_def)
zlib_filefunc_def* pzlib_filefunc_def;
{
pzlib_filefunc_def->zopen_file = fopen_file_func;
pzlib_filefunc_def->zread_file = fread_file_func;
pzlib_filefunc_def->zwrite_file = fwrite_file_func;
pzlib_filefunc_def->ztell_file = ftell_file_func;
pzlib_filefunc_def->zseek_file = fseek_file_func;
pzlib_filefunc_def->zclose_file = fclose_file_func;
pzlib_filefunc_def->zerror_file = ferror_file_func;
pzlib_filefunc_def->opaque = NULL;
}

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reaction/code/qcommon/ioapi.h Normal file
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/* ioapi.h -- IO base function header for compress/uncompress .zip
files using zlib + zip or unzip API
Version 1.01e, February 12th, 2005
Copyright (C) 1998-2005 Gilles Vollant
*/
#ifndef _ZLIBIOAPI_H
#define _ZLIBIOAPI_H
#define ZLIB_FILEFUNC_SEEK_CUR (1)
#define ZLIB_FILEFUNC_SEEK_END (2)
#define ZLIB_FILEFUNC_SEEK_SET (0)
#define ZLIB_FILEFUNC_MODE_READ (1)
#define ZLIB_FILEFUNC_MODE_WRITE (2)
#define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3)
#define ZLIB_FILEFUNC_MODE_EXISTING (4)
#define ZLIB_FILEFUNC_MODE_CREATE (8)
#ifndef ZCALLBACK
#if (defined(WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK)
#define ZCALLBACK CALLBACK
#else
#define ZCALLBACK
#endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const char* filename, int mode));
typedef uLong (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size));
typedef uLong (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
typedef long (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream));
typedef long (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset, int origin));
typedef int (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream));
typedef int (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream));
typedef struct zlib_filefunc_def_s
{
open_file_func zopen_file;
read_file_func zread_file;
write_file_func zwrite_file;
tell_file_func ztell_file;
seek_file_func zseek_file;
close_file_func zclose_file;
testerror_file_func zerror_file;
voidpf opaque;
} zlib_filefunc_def;
void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def));
#define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size))
#define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).zwrite_file))((filefunc).opaque,filestream,buf,size))
#define ZTELL(filefunc,filestream) ((*((filefunc).ztell_file))((filefunc).opaque,filestream))
#define ZSEEK(filefunc,filestream,pos,mode) ((*((filefunc).zseek_file))((filefunc).opaque,filestream,pos,mode))
#define ZCLOSE(filefunc,filestream) ((*((filefunc).zclose_file))((filefunc).opaque,filestream))
#define ZERROR(filefunc,filestream) ((*((filefunc).zerror_file))((filefunc).opaque,filestream))
#ifdef __cplusplus
}
#endif
#endif