patch-2.1.79 linux/arch/ppc/boot/gzip.h
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- Lines: 285
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
v2.1.78/linux/arch/ppc/boot/gzip.h
- Orig date:
Mon Aug 4 16:25:36 1997
diff -u --recursive --new-file v2.1.78/linux/arch/ppc/boot/gzip.h linux/arch/ppc/boot/gzip.h
@@ -1,284 +0,0 @@
-/* gzip.h -- common declarations for all gzip modules
- * Copyright (C) 1992-1993 Jean-loup Gailly.
- * This is free software; you can redistribute it and/or modify it under the
- * terms of the GNU General Public License, see the file COPYING.
- */
-
-#if defined(__STDC__) || defined(PROTO)
-# define OF(args) args
-#else
-# define OF(args) ()
-#endif
-
-#ifdef __STDC__
- typedef void *voidp;
-#else
- typedef char *voidp;
-#endif
-
-/* I don't like nested includes, but the string functions are used too often */
-#if defined(HAVE_STRING_H) || defined(STDC_HEADERS)
-# include <string.h>
-# define memzero(s, n) memset ((s), 0, (n))
-#else
-# include <strings.h>
-# define strchr index
-# define strrchr rindex
-# define memcpy(d, s, n) bcopy((s), (d), (n))
-# define memcmp(s1, s2, n) bcmp((s1), (s2), (n))
-# define memzero(s, n) bzero((s), (n))
-#endif
-
-#if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
-# include <memory.h>
-#endif
-
-#ifndef RETSIGTYPE
-# define RETSIGTYPE void
-#endif
-
-#define local static
-
-typedef unsigned char uch;
-typedef unsigned short ush;
-typedef unsigned long ulg;
-
-/* Return codes from gzip */
-#define OK 0
-#define ERROR 1
-#define WARNING 2
-
-/* Compression methods (see algorithm.doc) */
-#define STORED 0
-#define COMPRESSED 1
-#define PACKED 2
-/* methods 3 to 7 reserved */
-#define DEFLATED 8
-extern int method; /* compression method */
-
-/* To save memory for 16 bit systems, some arrays are overlayed between
- * the various modules:
- * deflate: prev+head window d_buf l_buf outbuf
- * unlzw: tab_prefix tab_suffix stack inbuf outbuf
- * inflate: window inbuf
- * unpack: window inbuf
- * For compression, input is done in window[]. For decompression, output
- * is done in window except for unlzw.
- */
-
-#ifndef INBUFSIZ
-# define INBUFSIZ 0x8000 /* input buffer size */
-#endif
-#define INBUF_EXTRA 64 /* required by unlzw() */
-
-#ifndef OUTBUFSIZ
-# define OUTBUFSIZ 16384 /* output buffer size */
-#endif
-#define OUTBUF_EXTRA 2048 /* required by unlzw() */
-
-#define DIST_BUFSIZE 0x8000 /* buffer for distances, see trees.c */
-
-#ifdef DYN_ALLOC
-# define EXTERN(type, array) extern type * near array
-# define DECLARE(type, array, size) type * near array
-# define ALLOC(type, array, size) { \
- array = (type*)fcalloc((unsigned)(((size)+1L)/2), 2*sizeof(type)); \
- if (array == NULL) error("insufficient memory"); \
- }
-# define FREE(array) {if (array != NULL) fcfree(array), array=NULL;}
-#else
-# define EXTERN(type, array) extern type array[]
-# define DECLARE(type, array, size) type array[size]
-# define ALLOC(type, array, size)
-# define FREE(array)
-#endif
-
-EXTERN(uch, inbuf); /* input buffer */
-EXTERN(uch, outbuf); /* output buffer */
-EXTERN(ush, d_buf); /* buffer for distances, see trees.c */
-EXTERN(uch, window); /* Sliding window and suffix table (unlzw) */
-#define tab_suffix window
-#ifndef MAXSEG_64K
-# define tab_prefix prev /* hash link (see deflate.c) */
-# define head (prev+WSIZE) /* hash head (see deflate.c) */
- EXTERN(ush, tab_prefix); /* prefix code (see unlzw.c) */
-#else
-# define tab_prefix0 prev
-# define head tab_prefix1
- EXTERN(ush, tab_prefix0); /* prefix for even codes */
- EXTERN(ush, tab_prefix1); /* prefix for odd codes */
-#endif
-
-extern unsigned insize; /* valid bytes in inbuf */
-extern unsigned inptr; /* index of next byte to be processed in inbuf */
-extern unsigned outcnt; /* bytes in output buffer */
-
-extern long bytes_in; /* number of input bytes */
-extern long bytes_out; /* number of output bytes */
-extern long overhead; /* number of bytes in gzip header */
-
-#define isize bytes_in
-/* for compatibility with old zip sources (to be cleaned) */
-
-extern int ifd; /* input file descriptor */
-extern int ofd; /* output file descriptor */
-extern char ifname[]; /* input filename or "stdin" */
-extern char ofname[]; /* output filename or "stdout" */
-
-extern ulg time_stamp; /* original time stamp (modification time) */
-extern long ifile_size; /* input file size, -1 for devices (debug only) */
-
-extern int exit_code; /* program exit code */
-
-typedef int file_t; /* Do not use stdio */
-#define NO_FILE (-1) /* in memory compression */
-
-
-#define GZIP_MAGIC "\037\213" /* Magic header for gzip files, 1F 8B */
-#define OLD_GZIP_MAGIC "\037\236" /* Magic header for gzip 0.5 = freeze 1.x */
-#define PKZIP_MAGIC "PK\003\004" /* Magic header for pkzip files */
-#define PACK_MAGIC "\037\036" /* Magic header for packed files */
-
-/* gzip flag byte */
-#define ASCII_FLAG 0x01 /* bit 0 set: file probably ascii text */
-#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
-#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
-#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
-#define COMMENT 0x10 /* bit 4 set: file comment present */
-#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
-#define RESERVED 0xC0 /* bit 6,7: reserved */
-
-/* internal file attribute */
-#define UNKNOWN (-1)
-#define BINARY 0
-#define ASCII 1
-
-#ifndef WSIZE
-# define WSIZE 0x8000 /* window size--must be a power of two, and */
-#endif /* at least 32K for zip's deflate method */
-
-#define MIN_MATCH 3
-#define MAX_MATCH 258
-/* The minimum and maximum match lengths */
-
-#define MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1)
-/* Minimum amount of lookahead, except at the end of the input file.
- * See deflate.c for comments about the MIN_MATCH+1.
- */
-
-#define MAX_DIST (WSIZE-MIN_LOOKAHEAD)
-/* In order to simplify the code, particularly on 16 bit machines, match
- * distances are limited to MAX_DIST instead of WSIZE.
- */
-
-extern int decrypt; /* flag to turn on decryption */
-extern int save_orig_name; /* set if original name must be saved */
-extern int verbose; /* be verbose (-v) */
-extern int level; /* compression level */
-extern int test; /* check .z file integrity */
-extern int to_stdout; /* output to stdout (-c) */
-
-#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf())
-
-/* put_byte is used for the compressed output, put_char for the
- * uncompressed output. However unlzw() uses window for its
- * suffix table instead of its output buffer, so it does not use put_char.
- * (to be cleaned up).
- */
-#define put_byte(c) {outbuf[outcnt++]=(uch)(c); if (outcnt==OUTBUFSIZ)\
- flush_outbuf();}
-#define put_char(c) {window[outcnt++]=(uch)(c); if (outcnt==WSIZE)\
- flush_window();}
-
-/* Output a 16 bit value, lsb first */
-#define put_short(w) \
-{ if (outcnt < OUTBUFSIZ-2) { \
- outbuf[outcnt++] = (uch) ((w) & 0xff); \
- outbuf[outcnt++] = (uch) ((ush)(w) >> 8); \
- } else { \
- put_byte((uch)((w) & 0xff)); \
- put_byte((uch)((ush)(w) >> 8)); \
- } \
-}
-
-/* Output a 32 bit value to the bit stream, lsb first */
-#define put_long(n) { \
- put_short((n) & 0xffff); \
- put_short(((ulg)(n)) >> 16); \
-}
-
-#define seekable() 0 /* force sequential output */
-#define translate_eol 0 /* no option -a yet */
-
-#define tolow(c) (isupper(c) ? (c)-'A'+'a' : (c)) /* force to lower case */
-
-/* Macros for getting two-byte and four-byte header values */
-#define SH(p) ((ush)(uch)((p)[0]) | ((ush)(uch)((p)[1]) << 8))
-#define LG(p) ((ulg)(SH(p)) | ((ulg)(SH((p)+2)) << 16))
-
-/* Diagnostic functions */
-#ifdef DEBUG
-# define Assert(cond,msg) {if(!(cond)) error(msg);}
-# define Trace(x) fprintf x
-# define Tracev(x) {if (verbose) fprintf x ;}
-# define Tracevv(x) {if (verbose>1) fprintf x ;}
-# define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
-# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
-#else
-# define Assert(cond,msg)
-# define Trace(x)
-# define Tracev(x)
-# define Tracevv(x)
-# define Tracec(c,x)
-# define Tracecv(c,x)
-#endif
-
- /* in zip.c: */
-extern void zip OF((int in, int out));
-extern int file_read OF((char *buf, unsigned size));
-
- /* in unzip.c */
-extern void unzip OF((int in, int out));
-extern int check_zipfile OF((int in));
-
- /* in unpack.c */
-extern void unpack OF((int in, int out));
-
- /* in gzip.c */
-RETSIGTYPE abort_gzip OF((void));
-
- /* in deflate.c */
-void lm_init OF((int pack_level, ush *flags));
-ulg deflate OF((void));
-
- /* in trees.c */
-void ct_init OF((ush *attr, int *method));
-int ct_tally OF((int dist, int lc));
-ulg flush_block OF((char *buf, ulg stored_len, int eof));
-
- /* in bits.c */
-void bi_init OF((file_t zipfile));
-void send_bits OF((int value, int length));
-unsigned bi_reverse OF((unsigned value, int length));
-void bi_windup OF((void));
-void copy_block OF((char *buf, unsigned len, int header));
-extern int (*read_buf) OF((char *buf, unsigned size));
-
- /* in util.c: */
-extern ulg updcrc OF((uch *s, unsigned n));
-extern void clear_bufs OF((void));
-extern int fill_inbuf OF((void));
-extern void flush_outbuf OF((void));
-extern void flush_window OF((void));
-extern char *strlwr OF((char *s));
-/*extern char *basename OF((char *fname));*/
-extern char *add_envopt OF((int *argcp, char ***argvp, char *env));
-extern void error OF((char *m));
-extern void warn OF((char *a, char *b));
-extern void read_error OF((void));
-extern void write_error OF((void));
-extern void display_ratio OF((long num, long den));
-extern voidp xmalloc OF((unsigned int size));
-
- /* in inflate.c */
-extern int inflate OF((void));
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