compress42.c File Reference

#include <windows.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <fcntl.h>
#include <ctype.h>
#include <math.h>
#include <wctype.h>
#include <wchar.h>
#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <locale.h>
#include <signal.h>
#include <limits.h>
#include <float.h>
#include <iso646.h>
#include <assert.h>
#include <stdbool.h>
#include <process.h>
#include "helper_utilities_by_amanda_and_ricardo.c"
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "patchlevel.h"

Data Structures
struct	utimbuf
union	bytes

Macros
#define	__attribute__(unused)
#define	uchar   unsigned char
#define	uint   unsigned int
#define	ushort   unsigned short
#define	__attribute__(unused)
#define	ARGS(a)
#define	SIG_TYPE   void (*)()
#define	lstat   stat
#define	min(a, b)
#define	IBUFSIZ   BUFSIZ /* Defailt input buffer size */
#define	OBUFSIZ   BUFSIZ /* Default output buffer size */
#define	MAGIC_1   (char_type)'\037' /* First byte of compressed file */
#define	MAGIC_2   (char_type)'\235' /* Second byte of compressed file */
#define	BIT_MASK   0x1f /* Mask for 'number of compresssion bits' */
#define	BLOCK_MODE   0x80 /* Block compresssion if table is full and */
#define	FIRST   257 /* first free entry */
#define	CLEAR   256 /* table clear output code */
#define	INIT_BITS   9 /* initial number of bits/code */
#define	SACREDMEM   0
#define	USERMEM   450000 /* default user memory */
#define	BYTEORDER   0000
#define	NOALLIGN   0
#define	O_BINARY   0 /* System has no binary mode */
#define	BITS   16
#define	HSIZE   69001 /* 95% occupancy */
#define	CHECK_GAP   10000
#define	ARGVAL()
#define	MAXCODE(n)
#define	REGISTERS   2
#define	REG1
#define	REG2
#define	REG3
#define	REG4
#define	REG5
#define	REG6
#define	REG7
#define	REG8
#define	REG9
#define	REG10
#define	REG11
#define	REG12
#define	REG13
#define	REG14
#define	REG15
#define	REG16
#define	REG1   register
#define	REG2   register
#define	output(b, o, c, n)
#define	input(b, o, c, n, m)
#define	htabof(i)
#define	codetabof(i)
#define	tab_prefixof(i)
#define	tab_suffixof(i)
#define	de_stack   ((char_type *)&(htab[HSIZE - 1]))
#define	clear_htab()
#define	clear_tab_prefixof()
#define	fc   fcode.code

Typedefs
typedef long int	code_int
typedef long int	count_int
typedef long int	cmp_code_int
typedef unsigned char	char_type

Functions
WCHAR *	utf8_2_wide_dl (const char *pUTF8)
	my temporary utf8_2_wide_dl function to add full Unicode support and future (when modified) support to long filenames. (jan/2025)
void	pedro_dprintf2 (int amanda_level, char *format,...)
	pedro_dprintf2 is my variant of my debug function because too much calls to pedro_dprintf these days, I am lazy, sorry....
__int64	lffilesize_dl (const char *szFileName)
	default function to get the size of files with Unicode support
void Usage	ARGS ((int))
void comprexx	ARGS ((const char *))
void compdir	ARGS ((char *))
int compress	ARGS ((int, int))
void read_error	ARGS ((void))
void prratio	ARGS ((FILE *, long, long))
int	main_old (REG1 int argc, argv)
void	Usage (int status)
void	comprexx (char *fileptr) const
int	compress (int fdin, int fdout)
int	decompress (int fdin, int fdout)
void	read_error ()
void	write_error ()
void	abort_compress ()
void	prratio (FILE *stream, long int num, long int den)
void	about ()
int __stdcall	compress_co___rspk_ar (char *Input_amanda_file_utf_8, char *OutPut_ricardo_File_utf_8, __attribute__((unused)) int Compression_juliete_Level_unused___)
	Function to compress a file using the Unix compress method.
int __stdcall	uncompress_co___rspk_ar (char *Input_amanda_file_utf_8, char *OutPut_ricardo_File_utf_8)
	Function to uncompress a Unix compress based file.
int __stdcall	get_progress_co___ar (void)
int __stdcall	pause_co___aakp_co___ar (void)
int __stdcall	resume_co___aakp_co___ar (void)
int __stdcall	cancel_co___aakp_co___ar (void)

Variables
char *	progname
int	silent = 0
int	quiet = 1
int	do_decomp = 0
int	force = 0
int	nomagic = 0
int	block_mode = BLOCK_MODE
int	maxbits = BITS
int	zcat_flg = 0
int	recursive = 0
int	exit_code = -1
char_type	inbuf [IBUFSIZ+64]
char_type	outbuf [OBUFSIZ+2048]
struct stat	infstat
char *	ifname
int	remove_ofname = 0
char *	ofname = NULL
int	fgnd_flag = 0
long	bytes_in
long	bytes_out
count_int	htab [HSIZE]
unsigned short	codetab [HSIZE]

Macro Definition Documentation

__attribute__ [1/2]

#define __attribute__

(

unused

)

Value:

/* chloe */

__attribute__ [2/2]

#define __attribute__

(

unused

)

Value:

/* Chloe */

ARGS

#define ARGS

(

a

)

Value:

()

ARGVAL

#define ARGVAL

(

)

Value:

(*++(*argv) || (--argc && *++argv))

BIT_MASK

#define BIT_MASK   0x1f /* Mask for 'number of compresssion bits' */

BITS

#define BITS   16

BLOCK_MODE

#define BLOCK_MODE   0x80 /* Block compresssion if table is full and */

BYTEORDER

#define BYTEORDER   0000

CHECK_GAP

#define CHECK_GAP   10000

CLEAR

#define CLEAR   256 /* table clear output code */

clear_htab

#define clear_htab

(

)

Value:

memset(htab, -1, sizeof(htab))

clear_tab_prefixof

#define clear_tab_prefixof

(

)

Value:

memset(codetab, 0, 256);

codetabof

#define codetabof

(

i

)

Value:

codetab[i]

de_stack

#define de_stack   ((char_type *)&(htab[HSIZE - 1]))

fc

#define fc   fcode.code

FIRST

#define FIRST   257 /* first free entry */

HSIZE

#define HSIZE   69001 /* 95% occupancy */

htabof

#define htabof

(

i

)

Value:

htab[i]

IBUFSIZ

#define IBUFSIZ   BUFSIZ /* Defailt input buffer size */

INIT_BITS

#define INIT_BITS   9 /* initial number of bits/code */

input

#define input	(		b,
			o,
			c,
			n,
			m )

Value:

      {                                                    \
            REG1 char_type *p = &(b)[(o) >> 3];            \
            (c) = ((((long)(p[0])) | ((long)(p[1]) << 8) | \
                    ((long)(p[2]) << 16)) >>               \
                   ((o)&0x7)) &                            \
                  (m);                                     \
            (o) += (n);                                    \
      }

lstat

#define lstat   stat

MAGIC_1

#define MAGIC_1   (char_type)'\037' /* First byte of compressed file */

MAGIC_2

#define MAGIC_2   (char_type)'\235' /* Second byte of compressed file */

MAXCODE

#define MAXCODE

(

n

)

Value:

(1L << (n))

min

#define min	(		a,
			b )

Value:

((a > b) ? b : a)

NOALLIGN

#define NOALLIGN   0

O_BINARY

#define O_BINARY   0 /* System has no binary mode */

OBUFSIZ

#define OBUFSIZ   BUFSIZ /* Default output buffer size */

output

#define output	(		b,
			o,
			c,
			n )

Value:

      {                                             \
            REG1 char_type *p = &(b)[(o) >> 3];     \
            REG2 long i = ((long)(c)) << ((o)&0x7); \
            p[0] |= (char_type)(i);                 \
            p[1] |= (char_type)(i >> 8);            \
            p[2] |= (char_type)(i >> 16);           \
            (o) += (n);                             \
      }

REG1 [1/2]

#define REG1

REG1 [2/2]

#define REG1   register

REG10

#define REG10

REG11

#define REG11

REG12

#define REG12

REG13

#define REG13

REG14

#define REG14

REG15

#define REG15

REG16

#define REG16

REG2 [1/2]

#define REG2

REG2 [2/2]

#define REG2   register

REG3

#define REG3

REG4

#define REG4

REG5

#define REG5

REG6

#define REG6

REG7

#define REG7

REG8

#define REG8

REG9

#define REG9

REGISTERS

#define REGISTERS   2

SACREDMEM

#define SACREDMEM   0

SIG_TYPE

#define SIG_TYPE   void (*)()

tab_prefixof

#define tab_prefixof

(

i

)

Value:

codetabof(i)

tab_suffixof

#define tab_suffixof

(

i

)

Value:

((char_type *)(htab))[i]

uchar

#define uchar   unsigned char

uint

#define uint   unsigned int

USERMEM

#define USERMEM   450000 /* default user memory */

ushort

#define ushort   unsigned short

Typedef Documentation

char_type

typedef unsigned char char_type

cmp_code_int

typedef long int cmp_code_int

code_int

typedef long int code_int

count_int

typedef long int count_int

Function Documentation

abort_compress()

void abort_compress

(

)

about()

void about

(

)

ARGS() [1/6]

void compdir ARGS

(

(char *)

)

ARGS() [2/6]

void comprexx ARGS

(

(const char *)

)

ARGS() [3/6]

void prratio ARGS

(

(FILE *, long, long)

)

ARGS() [4/6]

void Usage ARGS

(

(int)

)

ARGS() [5/6]

int decompress ARGS

(

(int, int)

)

ARGS() [6/6]

static void about ARGS

(

(void)

)

cancel_co___aakp_co___ar()

int __stdcall cancel_co___aakp_co___ar

(

void

)

compress()

int compress	(	int	fdin,
		int	fdout )

compress_co___rspk_ar()

int __stdcall compress_co___rspk_ar	(	char *	Input_amanda_file_utf_8,
		char *	OutPut_ricardo_File_utf_8,
		__attribute__((unused)) int	Compression_juliete_Level_unused___ )

Function to compress a file using the Unix compress method.

Parameters

Input_amanda_file_utf_8	utf-8 encoded input file
OutPut_ricardo_File_utf_8	utf-8 encoded output file

Returns

int

0 - No error
1 - Cannot open input file
2 - Cannot open destination file
3 - Cannot close input file
4 - Cannot close output file
5 - Cannot read from input file
6 - Cannot write to output file
119 - User cancel

comprexx()

void comprexx

(

char *

fileptr

)

const

decompress()

int decompress	(	int	fdin,
		int	fdout )

get_progress_co___ar()

int __stdcall get_progress_co___ar

(

void

)

lffilesize_dl()

__int64 lffilesize_dl

(

const char *

szFileName

)

default function to get the size of files with Unicode support

Parameters

szFileName

utf-8 encoded file

Returns

__int64 the size of the file or 0

main_old()

int main_old	(	REG1 int	argc,
		argv	)

pause_co___aakp_co___ar()

int __stdcall pause_co___aakp_co___ar

(

void

)

pedro_dprintf2()

void pedro_dprintf2	(	int	amanda_level,
		char *	format,
			... )

pedro_dprintf2 is my variant of my debug function because too much calls to pedro_dprintf these days, I am lazy, sorry....

em brotli or brotli2

Parameters

amanda_level	if equal or above 0 print the string
format	printf based format
...

prratio()

void prratio	(	FILE *	stream,
		long int	num,
		long int	den )

read_error()

void read_error

(

)

resume_co___aakp_co___ar()

int __stdcall resume_co___aakp_co___ar

(

void

)

uncompress_co___rspk_ar()

int __stdcall uncompress_co___rspk_ar	(	char *	Input_amanda_file_utf_8,
		char *	OutPut_ricardo_File_utf_8 )

Function to uncompress a Unix compress based file.

Parameters

Input_amanda_file_utf_8	utf-8 encoded input file
OutPut_ricardo_File_utf_8	utf-8 encoded output file

Returns

int

0 - No error
1 - Cannot open input file
2 - Cannot open output file
3 - Cannot close input file
4 - Cannot close output file
5 - Cannot read from input file
6 - Cannot write to output file
7 - Not a valid compressed file
119 - User cancel

Usage()

void Usage

(

int

status

)

utf8_2_wide_dl()

WCHAR * utf8_2_wide_dl

(

const char *

pUTF8

)

my temporary utf8_2_wide_dl function to add full Unicode support and future (when modified) support to long filenames. (jan/2025)

Parameters

pUTF8

Returns

WCHAR*

write_error()

void write_error

(

)

Variable Documentation

block_mode

int block_mode = BLOCK_MODE

bytes_in

long bytes_in

bytes_out

long bytes_out

codetab

unsigned short codetab[HSIZE]

do_decomp

int do_decomp = 0

exit_code

int exit_code = -1

fgnd_flag

int fgnd_flag = 0

force

int force = 0

htab

count_int htab[HSIZE]

ifname

char* ifname

inbuf

char_type inbuf[IBUFSIZ+64]

infstat

struct stat infstat

maxbits

int maxbits = BITS

nomagic

int nomagic = 0

ofname

char* ofname = NULL

outbuf

char_type outbuf[OBUFSIZ+2048]

progname

char* progname

quiet

int quiet = 1

recursive

int recursive = 0

remove_ofname

int remove_ofname = 0

silent

int silent = 0

zcat_flg

int zcat_flg = 0