2[ COMPRESS.BCK COMPRESS.BCKwBACKUP COMPRESS.C;,ARGPROC.C;,INCLUDES.H;,COMPRESS.OBJ;,ARGPROC.OBJ;,COMPRESS.EXE; COMPRESS.BCK/GROUP=0/BLOCK=2048/SAVE FAUCONNET **9{V5.3 _IAKA::  _IAKA$DUA0: V5.3 *[WORK]COMPRESS.C;26+,.j/* 4Vjj-b0123KPWOk560c7)c89 cF?hG*HJ/* * Compress - data compression program */ #define min(a,b) ((a>b) ? b : a) /* * machine variants which require cc -Dmachine: pdp11, z8000, pcxt */ /* * NOTE: machine variant 'vax' really means a vax machine running Unix * with some PCC derivative C compiler. This is as opposed to * VMS which is a VAX running VMS, probably with the VAX-11 C compiler. */ /* * Set USERMEM to the maximum amount of physical user memory available * in bytes. USERMEM is used to determine the maximum BITS that can be used * for compression. * * SACREDMEM is the amount of physical memory saved for others; compress * will hog the rest. */ #ifndef SACREDMEM #define SACREDMEM 0 #endif #ifndef USERMEM # define USERMEM 450000 /* default user memory */ #endif #ifdef interdata /* (Perkin-Elmer) */ #define SIGNED_COMPARE_SLOW /* signed compare is slower than unsigned */ #endif #ifdef VMS # define USERMEM 4000000 # define unlink delete # define PUTCHAR(c) { if (putchar (c) == EOF) {\ _@K COMPRESS.BCKb[WORK]COMPRESS.C;26Vjfprintf(stderr,"Error writing output file.\n");\ exit (1);\ }\ } # undef vax #else define PUTCHAR(c) putchar(c) #endif /* * This definition for FNEXT is the File Name Suffex appended to * 'compressed' files. */ #ifdef VMS /* Note: All VMS filenames are Uppercase, but the C RTL lowercases all args */ /* This is why we use the lowercase FNEXT here */ # define FNEXT "_z" # define STATUS_SUCCESS 1 # define STATUS_ERROR 0x10000002 # define STATUS_BIGGER 0x10000000 #else # define FNEXT ".Z" # define STATUS_SUCCESS 0 # define STATUS_ERROR 1 # define STATUS_BIGGER 2 #endif #ifdef pdp11 # define BITS 12 /* max bits/code for 16-bit machine */ # define NO_UCHAR /* also if "unsigned char" functions as signed char */ # undef USERMEM #endif /* pdp11 */ /* don't forget to compile with -i */ #ifdef z8000 # define BITS 12 # undef vax /* weird preprocessor */ # undef USERMEM #endif /* z8000 */ #ifdef MSDOS /* Microsoft C 3.0 for MS-DOS */ # undef USERMEM # ifdef BIG /* then this is a large data compilation */ # undef DEBUG /* DEBUG makes the executible too big */ # define BITS 16 # define XENIX_16 # else /* this is a small model compilation */ # define BITS 12 # endif #else # ifdef BIG # undef BIG # endif #endif /* MSDOS */ #ifdef pcxt # define BITS 12 # undef USERMEM #endif /* pcxt */ #ifdef USERMEM # if USERMEM >= (433484+SACREDMEM) # define PBITS 16 # else # if USERMEM >= (229600+SACREDMEM) # define PBITT COMPRESS.BCKb[WORK]COMPRESS.C;26Vjr4S 15 # else # if USERMEM >= (127536+SACREDMEM) # define PBITS 14 # else # if USERMEM >= (73464+SACREDMEM) # define PBITS 13 # else # define PBITS 12 # endif # endif # endif # endif # undef USERMEM #endif /* USERMEM */ #ifdef PBITS /* Preferred BITS for this memory size */ # ifndef BITS # define BITS PBITS # endif BITS #endif /* PBITS */ #if BITS == 16 # define HSIZE 69001 /* 95% occupancy */ #endif #if BITS == 15 # define HSIZE 35023 /* 94% occupancy */ #endif #if BITS == 14 # define HSIZE 18013 /* 91% occupancy */ #endif #if BITS == 13 # define HSIZE 9001 /* 91% occupancy */ #endif #if BITS <= 12 # define HSIZE 5003 /* 80% occupancy */ #endif #ifdef M_XENIX /* Stupid compiler can't handle arrays with */ # if BITS == 16 /* more than 65535 bytes - so we fake it */ # define XENIX_16 # else # if BITS > 13 /* Code only handles BITS = 12, 13, or 16 */ # define BITS 13 # endif # endif #endif /* * a code_int must be able to hold 2**BITS values of type int, and also -1 */ #if BITS > 15 typedef long int code_int; #else typedef int code_int; #endif #ifdef SIGNED_COMPARE_SLOW typedef unsigned long int count_int; typedef unsigned short int count_short; #else typedef long int count_int; #endif #ifdef NO_UCHAR typedef char char_type; #else typedef unsigned char char_type; #endif /* UCHAR */ char_type magic_header[] = { "\037\235" }; /* 1F 9D */ char_type cunbatch[] = "#! cunbatch\n"; /* Compress Unbatch News Batch Header */ /* Defines for third byte of header */ #deh# COMPRESS.BCKb[WORK]COMPRESS.C;26Vj8 fine BIT_MASK 0x1f #define BLOCK_MASK 0x80 /* Masks 0x40 and 0x20 are free. I think 0x20 should mean that there is a fourth header byte (for expansion). */ #define INIT_BITS 9 /* initial number of bits/code */ /* * compress.c - File compression ala IEEE Computer, June 1984. * * Authors: Spencer W. Thomas (decvax!harpo!utah-cs!utah-gr!thomas) * Jim McKie (decvax!mcvax!jim) * Steve Davies (decvax!vax135!petsd!peora!srd) * Ken Turkowski (decvax!decwrl!turtlevax!ken) * James A. Woods (decvax!ihnp4!ames!jaw) * Joe Orost (decvax!vax135!petsd!joe) * Mark Pizzolato (uunet!lupine!infopiz!mark) * Alain Fauconnet (fauconne@frsim51.bitnet) * * $Header: compress.c,v 4.0 85/07/30 12:50:00 joe Release $ * $Log: compress.c,v $ * Revision 4.0.5 91/03/18 10:00:00 alain (Alain Fauconnet) * Added "b" (binary mode) in freopen() parameters for opening of * compressed files at decompresion. * This prevents the VMS C RTL from adding extra LFs * if file has carriage-control=carriage-return RMS attribute. * Those extra LFs caused compress to produce ACCVIOs while * decompressing a file. * * Revision 4.0.4 90/10/24 22:00:00 alain (Alain Fauconnet) * Reworked VAX/VMS support to create fixed record size file * at compression. Added support for -i flag at decompression * and added -r recsize option to specify decompressed output * file record size if -i is present. * * Revision 4.0.3 89/04/18 02:15:00 mark (Mark Pizzolato) * Extended Default functionality to allow "zcat" (aka compre/ COMPRESS.BCKb[WORK]COMPRESS.C;26Vj9 ss -dc) * to default to a simple "cat" if what is being asked to be decompressed * is not already compressed. * * Revision 4.0.2 89/01/12 00:15:00 mark (Mark Pizzolato) * VAX/VMS Port. Extensions for VMS environment integration for News. * * Revision 4.0.1 87/11/27 21:45:00 rms (Richard Stallman) * Once copystat has run, don't delete output file on interrupt. * Mention more flags in the Usage string. * * Revision 4.0 85/07/30 12:50:00 joe * Removed ferror() calls in output routine on every output except first. * Prepared for release to the world. * * Revision 3.6 85/07/04 01:22:21 joe * Remove much wasted storage by overlaying hash table with the tables * used by decompress: tab_suffix[1<putc] and * added signal catcher [plus beef in writeerr()] to delete effluvia. * * Revision 2.0 84/08/28 22:00:00 petsd!joe * Add check for foreground before prompting user. Insert maxbits into * compressed file. Force file being uncompressed to end with ".Z". * Added "-c" flag and "zcat". Prepared for release. * * Revision 1.10 84/08/24 18:28:00 turtlevax!ken * Will only compress regular files (no directories), added a magic number * header (plus an undocumented -n flag to handle old files without headers), * added -f flag to force overwriting of possibly existing destination file, * otherwise the user is prompted for a response. Will tack on a .Z to a * filename if it doesn't have one when decompressing. Will only replace * file if it was compressed. * * Revision 1.9 84/08/16 17:28:00 turtlevax!ken * Removed scanargs(), getopt(), added .Z extension and unlimited number of * filenames to compress. Flags may be clustered (-Ddvb12) or separated * (-D -d -v -b 12), or combination thereof. Modes and other status is * copied with copystat(). -O bug for 4.2 seems to have disappeared with tS5 COMPRESS.BCKb[WORK]COMPRESS.C;26Vj1R * 1.8. * * Revision 1.8 84/08/09 23:15:00 joe * Made it compatible with vax version, installed jim's fixes/enhancements * * Revision 1.6 84/08/01 22:08:00 joe * Sped up algorithm significantly by sorting the compress chain. * * Revision 1.5 84/07/13 13:11:00 srd * Added C version of vax asm routines. Changed structure to arrays to * save much memory. Do unsigned compares where possible (faster on * Perkin-Elmer) * * Revision 1.4 84/07/05 03:11:11 thomas * Clean up the code a little and lint it. (Lint complains about all * the regs used in the asm, but I'm not going to "fix" this.) * * Revision 1.3 84/07/05 02:06:54 thomas * Minor fixes. * * Revision 1.2 84/07/05 00:27:27 thomas * Add variable bit length output. * */ static char rcs_ident[] = "$Header: compress.c,v 4.0 85/07/30 12:50:00 joe Release $"; #ifdef VMS #include stdio #include ctype #include signal #include types #include stat #include errno #else #include #include #include #include #include #endif #ifdef MSDOS #include #endif #define ARGVAL() (*++(*argv) || (--argc && *++argv)) int n_bits; /* number of bits/code */ int maxbits = BITS; /* user settable max # bits/code */ code_int maxcode; /* maximum code, given n_bits */ code_int maxmaxcode = (code_int)1 << BITS; /* should NEVER generate this code */ #ifdef COMPATIBLE /* But wrong! */ # define MAXCODE(n_bits) ((code_int) 1 << (n_bits) - 1) #else # define MAXCODE(n_bits) (((c v  COMPRESS.BCKb[WORK]COMPRESS.C;26Vjode_int) 1 << (n_bits)) - 1) #endif /* COMPATIBLE */ #ifdef XENIX_16 # ifdef MSDOS count_int far htab0[8192]; count_int far htab1[8192]; count_int far htab2[8192]; count_int far htab3[8192]; count_int far htab4[8192]; count_int far htab5[8192]; count_int far htab6[8192]; count_int far htab7[8192]; count_int far htab8[HSIZE-65536]; count_int far * htab[9] = { htab0, htab1, htab2, htab3, htab4, htab5, htab6, htab7, htab8 }; unsigned short far code0tab[16384]; unsigned short far code1tab[16384]; unsigned short far code2tab[16384]; unsigned short far code3tab[16384]; unsigned short far code4tab[16384]; unsigned short far * codetab[5] = { code0tab, code1tab, code2tab, code3tab, code4tab }; # else count_int htab0[8192]; count_int htab1[8192]; count_int htab2[8192]; count_int htab3[8192]; count_int htab4[8192]; count_int htab5[8192]; count_int htab6[8192]; count_int htab7[8192]; count_int htab8[HSIZE-65536]; count_int * htab[9] = { htab0, htab1, htab2, htab3, htab4, htab5, htab6, htab7, htab8 }; unsigned short code0tab[16384]; unsigned short code1tab[16384]; unsigned short code2tab[16384]; unsigned short code3tab[16384]; unsigned short code4tab[16384]; unsigned short * codetab[5] = { code0tab, code1tab, code2tab, code3tab, code4tab }; # endif /* MSDOS */ #define htabof(i) (htab[(i) >> 13][(i) & 0x1fff]) #define codetabof(i) (codetab[(i) >> 14][(i) & 0x3fff]) #else /* Normal machine */ count_int htab [HSIZE]; unsigned short codetab [HSIZE]; #define htabof(i) htab[i] #define codetabof(i) codetab[i] #endif  L^W COMPRESS.BCKb[WORK]COMPRESS.C;26Vj!/* XENIX_16 */ code_int hsize = HSIZE; /* for dynamic table sizing */ count_int fsize; /* * To save much memory, we overlay the table used by compress() with those * used by decompress(). The tab_prefix table is the same size and type * as the codetab. The tab_suffix table needs 2**BITS characters. We * get this from the beginning of htab. The output stack uses the rest * of htab, and contains characters. There is plenty of room for any * possible stack (stack used to be 8000 characters). */ #define tab_prefixof(i) codetabof(i) #ifdef XENIX_16 # ifdef MSDOS # define tab_suffixof(i) ((char_type far *)htab[(i)>>15])[(i) & 0x7fff] # define de_stack ((char_type far *)(htab2)) # else # define tab_suffixof(i) ((char_type *)htab[(i)>>15])[(i) & 0x7fff] # define de_stack ((char_type *)(htab2)) # endif /* MSDOS */ #else /* Normal machine */ # define tab_suffixof(i) ((char_type *)(htab))[i] # define de_stack ((char_type *)&tab_suffixof((code_int)1< image (bin e COMPRESS.BCKb[WORK]COMPRESS.C;26VjC!ary) mode; 2 <=> text mode */ #else #ifdef VMS # define PATH_SEP ']' int image = 2; /* 1 <=> image (binary) mode; 2 <=> text mode */ int recsize = 512; /* fixed record size for output file if image mode */ #else # define PATH_SEP '/' #endif #endif #ifdef DEBUG int verbose = 0; #endif /* DEBUG */ int (*bgnd_flag)(); int do_decomp = 0; /***************************************************************** * TAG( main ) * * Algorithm from "A Technique for High Performance Data Compression", * Terry A. Welch, IEEE Computer Vol 17, No 6 (June 1984), pp 8-19. * * Usage: compress [-cdfivVpz] [-b bits] [file ...] * Inputs: * * -c: Write output on stdout, don't remove original. * * -d: If given, decompression is done instead. * * -f: Forces output file to be generated, even if one already * exists, and even if no space is saved by compressing. * If -f is not used, the user will be prompted if stdin is * a tty, otherwise, the output file will not be overwritten. * * -i: Image mode (defined only under MS-DOS and VMS). Prevents * conversion between UNIX text representation (LF line * termination) in compressed form and MS-DOS text * representation (CR-LF line termination) in uncompressed * form. Useful with non-text files. * * -r rsize Output file record size (defined only under VMS). * Defines RMS record size for output file when image * mode is specified. Output will be fixed record size * file with no re C6 COMPRESS.BCKb[WORK]COMPRESS.C;26Vj-$cord attributes. Implies -i. * * -v: Write compression statistics * * -V: Write version and compilation options. * * -b: Parameter limits the max number of bits/code. * * -p: When uncompressing require that file have "#! cunbatch\n" * which is stripped off before uncompression, and when * compressing provide it at the beginning of the output * file. * * -z: Leave name unchanged and don't impose or require ".Z" * file names. * * file ...: Files to be compressed. If none specified, stdin * is used. * Outputs: * file.Z: Compressed form of file with same mode, owner, and utimes * or stdout (if stdin used as input) * * Assumptions: * When filenames are given, replaces with the compressed version * (.Z suffix) only if the file decreases in size. * Algorithm: * Modified Lempel-Ziv method (LZW). Basically finds common * substrings and replaces them with a variable size code. This is * deterministic, and can be done on the fly. Thus, the decompression * procedure needs no input table, but tracks the way the table was built. */ main( argc, argv ) register int argc; char **argv; { int overwrite = 0; /* Do not overwrite unless given -f flag */ char tempname[100]; char **filelist, **fileptr; char *cp, *rindex(), *malloc(); struct stat statbuf; extern onintr(); #ifdef MSDOS char *sufp; #else extern oops(); #endif #ifdef VMS /* * Process Redirection (<, >, >>) from the command line since the VMS * enviroN COMPRESS.BCKb[WORK]COMPRESS.C;26Vjz'nment doesn't provide that intrinsicly, and do any will do any * wild card filename expansions there also. */ getredirection(&argc, &argv); #endif #ifndef MSDOS if ( (bgnd_flag = signal ( SIGINT, SIG_IGN )) != SIG_IGN ) { #endif signal ( SIGINT, onintr ); #ifndef MSDOS signal ( SIGSEGV, oops ); } #endif #ifdef COMPATIBLE nomagic = 1; /* Original didn't have a magic number */ #endif /* COMPATIBLE */ filelist = fileptr = (char **)(malloc(argc * sizeof(*argv))); *filelist = NULL; if((cp = rindex(argv[0], PATH_SEP)) != 0) { cp++; } else { cp = argv[0]; } #ifdef MSDOS if(strcmp(cp, "UNCOMPRE.EXE") == 0) { #else #ifdef VMS if(strncmp(cp, "uncompress.exe", 14) == 0) { #else if(strcmp(cp, "uncompress") == 0) { #endif #endif do_decomp = 1; #ifdef MSDOS } else if(strcmp(cp, "ZCAT.EXE") == 0) { #else #ifdef VMS } else if(strncmp(cp, "zcat.exe", 8) == 0) { #else } else if(strcmp(cp, "zcat") == 0) { #endif #endif do_decomp = 1; zcat_flg = 1; } #ifdef BSD4_2 /* 4.2BSD dependent - take it out if not */ setlinebuf( stderr ); #endif /* BSD4_2 */ /* Argument Processing * All flags are optional. * -D => debug * -V => print Version; debug verbose * -d => do_decomp * -v => unquiet * -f => force overwrite of output file * -n => no header: useful to uncompress old files * -b maxbits => maxbits. If -b is specified, then maxbits MUST be * given also. * -c => cat all output to stdout )jd COMPRESS.BCKb[WORK]COMPRESS.C;26Vj^* * -C => generate output compatible with compress 2.0. * -p => prefix "#! cunbatch\n" stripped or provided as required. * -z => leave name unchanged, and don't impose or require ".Z" naming * if a string is left, must be an input filename. */ for (argc--, argv++; argc > 0; argc--, argv++) { if (**argv == '-') { /* A flag argument */ while (*++(*argv)) { /* Process all flags in this arg */ switch (**argv) { #ifdef DEBUG case 'D': debug = 1; break; case 'V': verbose = 1; version(); break; #else case 'V': version(); break; #endif /* DEBUG */ #if defined(MSDOS) || defined(VMS) case 'i': image = 1; break; #endif case 'v': quiet = 0; break; case 'd': do_decomp = 1; break; case 'f': case 'F': overwrite = 1; force = 1; break; case 'n': nomagic = 1; break; case 'C': block_compress = 0; break; case 'b': if (!ARGVAL()) { fprintf(stderr, "Missing maxbits\n"); Usage(); exit(STATUS_ERROR); } maxbits = atoi(*argv); goto nextarg; case 'r': image = 1; if (!ARGVAL()) { fprintf(stderr, "Missing recordsize\n"); Usage(); exit(STATUS_ERROR); } recsize = atoi(*argv); goto nextarg; case 'c': zcat_flg = 1; break; case 'q': quiet = 1; break; case 'p': prefix_unbatch = 1; force = 1; break; case 'z': same_names = 1; break; default: fprintf(st\ COMPRESS.BCKb[WORK]COMPRESS.C;26Vj-derr, "Unknown flag: '%c'; ", **argv); Usage(); exit(STATUS_ERROR); } } } else { /* Input file name */ *fileptr++ = *argv; /* Build input file list */ *fileptr = NULL; /* process nextarg; */ } nextarg: continue; } if(maxbits < INIT_BITS) maxbits = INIT_BITS; if (maxbits > BITS) maxbits = BITS; maxmaxcode = (code_int) 1 << maxbits; if (*filelist != NULL) { for (fileptr = filelist; *fileptr; fileptr++) { exit_stat = STATUS_SUCCESS; if ((do_decomp != 0) && (same_names == 0)) {/* DECOMPRESSION */ #ifdef MSDOS /* Check for .Z or XZ suffix; add one if necessary */ cp = *fileptr + strlen(*fileptr) - 2; if ((*cp != '.' && *cp != 'X' && *cp != 'x') || (*(++cp) != 'Z' && *cp != 'z')) { strcpy(tempname, *fileptr); if ((cp=rindex(tempname,'.')) == NULL) strcat(tempname, ".Z"); else if(*(++cp) == '\0') strcat(tempname, "Z"); else { *(++cp) = '\0'; strcat(tempname, "XZ"); } *fileptr = tempname; } #else /* Check for .Z suffix */ if (strcmp(*fileptr + strlen(*fileptr) - 2, FNEXT) != 0) { /* No .Z: tack one on */ strcpy(tempname, *fileptr); strcat(tempname, FNEXT); *fileptr = tempname; } #endif /*MSDOS */ } if (do_decomp != 0) { /* DECOMPRESSION */ /* Open input file for decompression */ #ifdef MSDOS if ((freopen(*fileptr, "rb", stdin)) == NULL) { #else if ((freopen(*fileptr, "rb", stdin, #ifdef VMS "mbc=32", "mbf=2" #en{ COMPRESS.BCKb[WORK]COMPRESS.C;26Vj0dif )) == NULL) { #endif if ((same_names != 0) || (3 > strlen(*fileptr)) || (zcat_flg == 0)) { perror(*fileptr); continue; } else { /* Strip off the ".Z" and try again */ (*fileptr)[strlen(*fileptr)-2] = '\0'; #ifdef MSDOS if ((freopen(*fileptr, "rb", stdin)) == NULL) { #else if ((freopen(*fileptr, "r", stdin, #ifdef VMS "mbc=32", "mbf=2" #endif )) == NULL) { #endif perror(*fileptr); continue; } } } /* Check the Prefix String */ if (prefix_unbatch != 0) { int i; int bad = 0; for (i=0; i < strlen(cunbatch); ++i) { if (getchar() != (cunbatch[i] & 0xFF)) ++bad; } if (bad != 0) { fprintf(stderr, "%s: missing '#! cunbatch\\n'\n", *fileptr); continue; } } /* Check the magic number */ if (nomagic == 0) { byte1 = getchar(); byte2 = getchar(); if ((byte1 != (magic_header[0] & 0xFF)) || (byte2 != (magic_header[1] & 0xFF))) { if (zcat_flg != 0) docat(); else fprintf(stderr, "%s: not in compressed format\n", *fileptr); continue; } maxbits = getchar(); /* set -b from file */ block_compress = maxbits & BLOCK_MASK; maxbits &= BIT_MASK; maxmaxcode = (code_int) 1 << maxbits; if(maxbits > BITS) { fprintf(stderr, "%s: compressed with %d bits, can only handle %d bits\n", *fileptr, maxbits, BITS); continue; } } /* Generate output filename as N COMPRESS.BCKb[WORK]COMPRESS.C;26Vj"3appropriate for naming style */ strcpy(ofname, *fileptr); if (same_names != 0) #ifndef BSD4_2 #ifndef VMS ofname[0] = 'Z'; /* Form a tempname, and fixup later */ #else strcat(ofname, FNEXT);/* Form a tempname, and fixup later */ #endif #else strcat(ofname, FNEXT);/* Form a tempname, and fixup later */ #endif else ofname[strlen(*fileptr) - 2] = '\0'; /* Strip off .Z */ } else { /* COMPRESSION */ if (same_names == 0) { #ifdef MSDOS cp = *fileptr + strlen(*fileptr) - 2; if ((*cp == '.' || *cp == 'X' || *cp == 'x') && (*(++cp) == 'Z' || *cp == 'z')) { fprintf(stderr, "%s: already has %s suffix -- no change\n", *fileptr,--cp); #else if (strcmp(*fileptr + strlen(*fileptr) - 2, FNEXT) == 0) { fprintf(stderr, "%s: already has .Z suffix -- no change\n", *fileptr); #endif /* MSDOS */ continue; } } /* Open input file for compression */ #ifdef MSDOS if ((freopen(*fileptr, image == 2 ? "rt" : "rb", stdin)) == NULL) { #else #ifdef VMS if ((freopen(*fileptr, "r", stdin, "mbc=32", "mbf=2")) == NULL) { #else if ((freopen(*fileptr, "r", stdin)) == NULL) { #endif #endif perror(*fileptr); continue; } stat ( *fileptr, &statbuf ); fsize = (long) statbuf.st_size; /* * tune hash table size for small files -- ad hoc, * but the sizes match earlier #defines, which * serve as upper bounds on the number of output codes. */ hsize = HSIZE; if ( fsize < (1 << 12幠G COMPRESS.BCKb[WORK]COMPRESS.C;26Vjm6) ) hsize = min ( 5003, HSIZE ); else if ( fsize < (1 << 13) ) hsize = min ( 9001, HSIZE ); else if ( fsize < (1 << 14) ) hsize = min ( 18013, HSIZE ); else if ( fsize < (1 << 15) ) hsize = min ( 35023, HSIZE ); else if ( fsize < 47000 ) hsize = min ( 50021, HSIZE ); /* Generate output filename */ strcpy(ofname, *fileptr); #ifndef BSD4_2 /* Short filenames */ #ifndef VMS /* Short filenames */ if ((cp = rindex(ofname, PATH_SEP)) != NULL) cp++; else cp = ofname; # ifdef MSDOS if (zcat_flg == 0 && (sufp = rindex(cp, '.')) != NULL && strlen(sufp) > 2) fprintf(stderr, "%s: part of filename extension will be replaced by XZ\n", cp); # else if (strlen(cp) > 12) { fprintf(stderr,"%s: filename too long to tack on .Z\n",cp); continue; } # endif #endif /* VMS Long filenames allowed */ #endif /* BSD4_2 Long filenames allowed */ #ifdef MSDOS if ((cp = rindex(ofname, '.')) == NULL) strcat(ofname, FNEXT); else { if(*(++cp) != '\0') *(++cp) = '\0'; strcat(ofname, "XZ"); } #else strcat(ofname, FNEXT); #endif /* MSDOS */ } precious = 0; /* Check for overwrite of existing file */ if (overwrite == 0 && zcat_flg == 0) { if (stat(ofname, &statbuf) == 0) { char response[2]; response[0] = 'n'; fprintf(stderr, "%s already exists;", ofname); #ifndef MSDOS if (foreground()) { #endif fprintf(stderr, " do you wish to overwrite %s (y or n)? ", ofname); fflush(sI COMPRESS.BCKb[WORK]COMPRESS.C;26Vjia9tderr); read(2, response, 2); while (response[1] != '\n') { if (read(2, response+1, 1) < 0) { /* Ack! */ perror("stderr"); break; } } #ifndef MSDOS } #endif if (response[0] != 'y') { fprintf(stderr, "\tnot overwritten\n"); continue; } } } if(zcat_flg == 0) { /* Open output file */ #ifdef MSDOS if (freopen(ofname, do_decomp && image == 2 ? "wt" : "wb", stdout) == NULL) { #else #ifdef VMS char *rms1, rms2[32]; if (do_decomp && image == 2) { rms1 = "rfm=stmlf"; strcpy(rms2,"rat=cr"); } else { rms1 = "rfm=fix"; sprintf(rms2,"mrs=%d",recsize); } if (freopen(ofname, "w", stdout, "mbc=32", "mbf=2", rms1, rms2 ) == NULL) { #else if (freopen(ofname, "w", stdout) == NULL) { #endif #endif perror(ofname); continue; } if(!quiet) fprintf(stderr, "%s: ", *fileptr); } /* provide the "#! cunbatch\n" prefix to the output file */ if ((do_decomp == 0) && (prefix_unbatch != 0)) printf(cunbatch); /* Actually do the compression/decompression */ if (do_decomp == 0) compress(); #ifndef DEBUG else decompress(); #else else if (debug == 0) decompress(); else printcodes(); if (verbose) dump_tab(); #endif /* DEBUG */ if(zcat_flg == 0) { copystat(*fileptr, ofname); /* Copy stats */ if((exit_stat == STATUS_ERROR) || (!quiet)) putc('\n', stderr); } } } else { /* Standard input */ if (do_decomp == 0) { co COMPRESS.BCKb[WORK]COMPRESS.C;26Vj<mpress(); #ifdef DEBUG if(verbose) dump_tab(); #endif /* DEBUG */ if(!quiet) putc('\n', stderr); } else { /* Check the Prefix String */ if (prefix_unbatch != 0) { int i; int bad = 0; for (i=0; i < strlen(cunbatch); ++i) { if (getchar() != (cunbatch[i] & 0xFF)) ++bad; } if (bad != 0) { fprintf(stderr, "stdin: missing '#! cunbatch\\n'\n"); exit(STATUS_ERROR); } } /* Check the magic number */ if ( nomagic == 0) { byte1 = getchar(); byte2 = getchar(); if ((byte1 != (magic_header[0] & 0xFF)) || (byte2 != (magic_header[1] & 0xFF))) if (zcat_flg != 0) { docat(); exit(STATUS_SUCCESS); } else { fprintf(stderr, "stdin: not in compressed format\n"); exit(STATUS_ERROR); } maxbits = getchar(); /* set -b from file */ block_compress = maxbits & BLOCK_MASK; maxbits &= BIT_MASK; maxmaxcode = (code_int) 1 << maxbits; fsize = 100000; /* assume stdin large for USERMEM */ if(maxbits > BITS) { fprintf(stderr, "stdin: compressed with %d bits, can only handle %d bits\n", maxbits, BITS); exit(STATUS_ERROR); } } #ifndef DEBUG decompress(); #else if (debug == 0) decompress(); else printcodes(); if (verbose) dump_tab(); #endif /* DEBUG */ } } exit(exit_stat); } docat() { char buffer[8192]; register int size; /* Output the First two bytes that we read in to test for compression */ PUTCHAR(byte1); PUTCHAR(byte2); /* Read and Write the 3 COMPRESS.BCKb[WORK]COMPRESS.C;26VjP?"rest" of the file */ while (fwrite(buffer, 1, fread(buffer, 1, sizeof(buffer), stdin), stdout)); } static int offset; long int in_count = 1; /* length of input */ long int bytes_out; /* length of compressed output */ long int out_count = 0; /* # of codes output (for debugging) */ /* * compress stdin to stdout * * Algorithm: use open addressing double hashing (no chaining) on the * prefix code / next character combination. We do a variant of Knuth's * algorithm D (vol. 3, sec. 6.4) along with G. Knott's relatively-prime * secondary probe. Here, the modular division first probe is gives way * to a faster exclusive-or manipulation. Also do block compression with * an adaptive reset, whereby the code table is cleared when the compression * ratio decreases, but after the table fills. The variable-length output * codes are re-sized at this point, and a special CLEAR code is generated * for the decompressor. Late addition: construct the table according to * file size for noticeable speed improvement on small files. Please direct * questions about this implementation to ames!jaw. */ compress() { register long fcode; register code_int i = 0; register int c; register code_int ent; register code_int disp; register code_int hsize_reg; register int hshift; #ifndef COMPATIBLE if (nomagic == 0) { PUTCHAR(magic_header[0]); PUTCHAR(magic_header[1]); PUTCHAR((char)(maxbits | block_compress)); if(ferror(stdout)) writeerr(); } #endif /* COMPATIBLE */ / COMPRESS.BCKb[WORK]COMPRESS.C;26Vj͋B offset = 0; bytes_out = 3; /* includes 3-byte header mojo */ out_count = 0; clear_flg = 0; ratio = 0; in_count = 1; checkpoint = CHECK_GAP; maxcode = MAXCODE(n_bits = INIT_BITS); free_ent = ((block_compress) ? FIRST : 256 ); ent = getchar (); hshift = 0; for ( fcode = (long) hsize; fcode < 65536L; fcode *= 2L ) hshift++; hshift = 8 - hshift; /* set hash code range bound */ hsize_reg = hsize; cl_hash( (count_int) hsize_reg); /* clear hash table */ #ifdef SIGNED_COMPARE_SLOW while ( (c = getchar()) != (unsigned) EOF ) { #else while ( (c = getchar()) != EOF ) { #endif #ifdef MSDOS if (c == '\n') in_count += image; else /* include CR if text mode */ #endif in_count++; fcode = (long) (((long) c << maxbits) + ent); i = (((code_int)c << hshift) ^ ent); /* xor hashing */ if ( htabof (i) == fcode ) { ent = codetabof (i); continue; } else if ( (long)htabof (i) < 0 ) /* empty slot */ goto nomatch; disp = hsize_reg - i; /* secondary hash (after G. Knott) */ if ( i == 0 ) disp = 1; probe: if ( (i -= disp) < 0 ) i += hsize_reg; if ( htabof (i) == fcode ) { ent = codetabof (i); continue; } if ( (long)htabof (i) > 0 ) goto probe; nomatch: output ( (code_int) ent ); out_count++; ent = c; #ifdef SIGNED_COMPARE_SLOW if ( (unsigned) free_ent < (unsigned) maxmaxcode) { #else if ( free_ent < maxmaxcode ) { #endif codetabof (i) = free_ent++; /* code -> hashtable */ htabof (i) = fcode; } %Ta COMPRESS.BCKb[WORK]COMPRESS.C;26Vj Eelse if ( (count_int)in_count >= checkpoint && block_compress ) cl_block (); } /* * Put out the final code. */ output( (code_int)ent ); out_count++; output( (code_int)-1 ); /* * Print out stats on stderr */ if(zcat_flg == 0 && !quiet) { #ifdef DEBUG fprintf( stderr, "%ld chars in, %ld codes (%ld bytes) out, compression factor: ", in_count, out_count, bytes_out ); prratio( stderr, in_count, bytes_out ); fprintf( stderr, "\n"); fprintf( stderr, "\tCompression as in compact: " ); prratio( stderr, in_count-bytes_out, in_count ); fprintf( stderr, "\n"); fprintf( stderr, "\tLargest code (of last block) was %d (%d bits)\n", free_ent - 1, n_bits ); #else /* !DEBUG */ fprintf( stderr, "Compression: " ); prratio( stderr, in_count-bytes_out, in_count ); #endif /* DEBUG */ } if(bytes_out > in_count) /* exit(STATUS_BIGGER ) if no savings */ exit_stat = STATUS_BIGGER; return; } /***************************************************************** * TAG( output ) * * Output the given code. * Inputs: * code: A n_bits-bit integer. If == -1, then EOF. This assumes * that n_bits =< (long)wordsize - 1. * Outputs: * Outputs code to the file. * Assumptions: * Chars are 8 bits long. * Algorithm: * Maintain a BITS character long buffer (so that 8 codes will * fit in it exactly). Use the VAX insv instruction to insert each * code in turn. When the buffer fills up empty it and start over. */ static char buf[BITS]; #ifndef vax char_type l;w COMPRESS.BCKb[WORK]COMPRESS.C;26VjaHmask[9] = {0xff, 0xfe, 0xfc, 0xf8, 0xf0, 0xe0, 0xc0, 0x80, 0x00}; char_type rmask[9] = {0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff}; #endif /* vax */ output( code ) code_int code; { #ifdef DEBUG static int col = 0; #endif /* DEBUG */ /* * On the VAX (PCC-UNIX), it is important to have the register declarations * in exactly the order given, or the asm will break. */ register int r_off = offset, bits= n_bits; register char * bp = buf; #ifdef DEBUG if ( verbose ) fprintf( stderr, "%5d%c", code, (col+=6) >= 74 ? (col = 0, '\n') : ' ' ); #endif /* DEBUG */ if ( code >= 0 ) { #ifdef VMS LIB$INSV(&code, &r_off, &bits, bp); #else #ifdef vax /* VAX DEPENDENT!! Implementation on other machines is below. * * Translation: Insert BITS bits from the argument starting at * offset bits from the beginning of buf. */ 0; /* Work around for pcc -O bug with asm and if stmt */ asm( "insv 4(ap),r11,r10,(r9)" ); #else /* not a vax */ /* * byte/bit numbering on the VAX is simulated by the following code */ /* * Get to the first byte. */ bp += (r_off >> 3); r_off &= 7; /* * Since code is always >= 8 bits, only need to mask the first * hunk on the left. */ *bp = (*bp & rmask[r_off]) | (code << r_off) & lmask[r_off]; bp++; bits -= (8 - r_off); code >>= 8 - r_off; /* Get any 8 bit parts in the middle (<=1 for up to 16 bits). */ if ( bits >= 8 ) { *bp++ = code; code >>= 8; bits -= 8; } /* Last bits. */ if(bits) *bp = code; #f COMPRESS.BCKb[WORK]COMPRESS.C;26VjxKendif /* vax */ #endif /* VMS */ offset += n_bits; if ( offset == (n_bits << 3) ) { bp = buf; bits = n_bits; bytes_out += bits; do PUTCHAR(*bp++); while(--bits); offset = 0; } /* * If the next entry is going to be too big for the code size, * then increase it, if possible. */ if ( free_ent > maxcode || (clear_flg > 0)) { /* * Write the whole buffer, because the input side won't * discover the size increase until after it has read it. */ if ( offset > 0 ) { #ifdef VMS /* * For VMS, we have to write in a putchar loop * because the C RTL won't let us do a fwrite * of any size different from the output file * record size. If we use putchar, the C RTL * handles the adequate buffering. */ char *bytep; int bytec; for (bytec = n_bits, bytep = buf; bytec; --bytec) PUTCHAR(*bytep++); if( ferror( stdout ) ) writeerr(); #else if( fwrite( buf, 1, n_bits, stdout ) != n_bits) writeerr(); #endif bytes_out += n_bits; } offset = 0; if ( clear_flg ) { maxcode = MAXCODE (n_bits = INIT_BITS); clear_flg = 0; } else { n_bits++; if ( n_bits == maxbits ) maxcode = maxmaxcode; else maxcode = MAXCODE(n_bits); } #ifdef DEBUG if ( debug ) { fprintf( stderr, "\nChange to %d bits\n", n_bits ); col = 0; } #endif /* DEBUG */ } } else { /* * At EOF, write the rest of the buffer. */ if ( offset > 0 ) #ifdef VMS { /* * For VMS, we have to write in a putcf> COMPRESS.BCKb[WORK]COMPRESS.C;26VjXNhar loop * because the C RTL won't let us do a fwrite * of any size different from the output file * record size. If we use putchar, the C RTL * handles the adequate buffering. */ int bytec; char *bytep; for ( bytec = (offset + 7) / 8, bytep = buf; bytec; --bytec ) PUTCHAR(*bytep++); } #else fwrite( buf, 1, (offset + 7) / 8, stdout ); #endif bytes_out += (offset + 7) / 8; offset = 0; #ifdef VMS while ( (bytes_out & (recsize - 1) ) != 0 ) { /* * For VMS we have to pad to fill the last fixed size record */ PUTCHAR('\0'); ++bytes_out; } #endif fflush( stdout ); #ifdef DEBUG if ( verbose ) fprintf( stderr, "\n" ); #endif /* DEBUG */ if( ferror( stdout ) ) writeerr(); } } /* * Decompress stdin to stdout. This routine adapts to the codes in the * file building the "string" table on-the-fly; requiring no table to * be stored in the compressed file. The tables used herein are shared * with those of the compress() routine. See the definitions above. */ decompress() { #ifdef BIG register char_type far *stackp; #else register char_type *stackp; #endif register int finchar; register code_int code, oldcode, incode; /* * As above, initialize the first 256 entries in the table. */ maxcode = MAXCODE(n_bits = INIT_BITS); for ( code = 255; code >= 0; code-- ) { tab_prefixof(code) = 0; tab_suffixof(code) = (char_type)code; } free_ent = ((block_compress) ? FIRST : 256 ); finchar = oldcode = getcode(); if(oldc COMPRESS.BCKb[WORK]COMPRESS.C;26VjQode == -1) /* EOF already? */ return; /* Get out of here */ PUTCHAR( (char)finchar ); /* first code must be 8 bits = char */ if(ferror(stdout)) /* Crash if can't write */ writeerr(); stackp = de_stack; while ( (code = getcode()) > -1 ) { if ( (code == CLEAR) && block_compress ) { for ( code = 255; code >= 0; code-- ) tab_prefixof(code) = 0; clear_flg = 1; free_ent = FIRST - 1; if ( (code = getcode ()) == -1 ) /* O, untimely death! */ break; } incode = code; /* * Special case for KwKwK string. */ if ( code >= free_ent ) { *stackp++ = finchar; code = oldcode; } /* * Generate output characters in reverse order */ #ifdef SIGNED_COMPARE_SLOW while ( ((unsigned long)code) >= ((unsigned long)256) ) { #else while ( code >= 256 ) { #endif *stackp++ = tab_suffixof(code); code = tab_prefixof(code); } *stackp++ = finchar = tab_suffixof(code); /* * And put them out in forward order */ do PUTCHAR ( *--stackp ); while ( stackp > de_stack ); /* * Generate the new entry. */ if ( (code=free_ent) < maxmaxcode ) { tab_prefixof(code) = (unsigned short)oldcode; tab_suffixof(code) = finchar; free_ent = code+1; } /* * Remember previous code. */ oldcode = incode; } #ifndef VMS fflush( stdout ); #endif if(ferror(stdout)) writeerr(); } /***************************************************************** * TAG( getcode ) * * Read one code from the standard input. If EOF, return -1. * Inputs: E8h COMPRESS.BCKb[WORK]COMPRESS.C;26VjtT* stdin * Outputs: * code or -1 is returned. */ code_int getcode() { /* * On the VAX, it is important to have the register declarations * in exactly the order given, or the asm will break. */ register code_int code; static int offset = 0, size = 0; static char_type buf[BITS]; register int r_off, bits; register char_type *bp = buf; if ( clear_flg > 0 || offset >= size || free_ent > maxcode ) { /* * If the next entry will be too big for the current code * size, then we must increase the size. This implies reading * a new buffer full, too. */ if ( free_ent > maxcode ) { n_bits++; if ( n_bits == maxbits ) maxcode = maxmaxcode; /* won't get any bigger now */ else maxcode = MAXCODE(n_bits); } if ( clear_flg > 0) { maxcode = MAXCODE (n_bits = INIT_BITS); clear_flg = 0; } size = fread( buf, 1, n_bits, stdin ); if ( size <= 0 ) return -1; /* end of file */ offset = 0; /* Round size down to integral number of codes */ size = (size << 3) - (n_bits - 1); } r_off = offset; bits = n_bits; #ifdef VMS code = LIB$EXTZV (&r_off, &bits, bp); #else #ifdef vax asm( "extzv r10,r9,(r8),r11" ); #else /* not a vax */ /* * Get to the first byte. */ bp += (r_off >> 3); r_off &= 7; /* Get first part (low order bits) */ #ifdef NO_UCHAR code = ((*bp++ >> r_off) & rmask[8 - r_off]) & 0xff; #else code = (*bp++ >> r_off); #endif /* NO_UCHAR */ bits -= (8 - r_off); r_off = 8 - r_off; /* now, offset into code SK COMPRESS.BCKb[WORK]COMPRESS.C;26VjWword */ /* Get any 8 bit parts in the middle (<=1 for up to 16 bits). */ if ( bits >= 8 ) { #ifdef NO_UCHAR code |= (*bp++ & 0xff) << r_off; #else code |= *bp++ << r_off; #endif /* NO_UCHAR */ r_off += 8; bits -= 8; } /* high order bits. */ code |= (*bp & rmask[bits]) << r_off; #endif /* vax */ #endif /* VMS */ offset += n_bits; return code; } char * rindex(s, c) /* For those who don't have it in libc.a */ register char *s, c; { char *p; for (p = NULL; *s; s++) if (*s == c) p = s; return(p); } #ifdef DEBUG printcodes() { /* * Just print out codes from input file. For debugging. */ code_int code; int col = 0, bits; bits = n_bits = INIT_BITS; maxcode = MAXCODE(n_bits); free_ent = ((block_compress) ? FIRST : 256 ); while ( ( code = getcode() ) >= 0 ) { if ( (code == CLEAR) && block_compress ) { free_ent = FIRST - 1; clear_flg = 1; } else if ( free_ent < maxmaxcode ) free_ent++; if ( bits != n_bits ) { fprintf(stderr, "\nChange to %d bits\n", n_bits ); bits = n_bits; col = 0; } fprintf(stderr, "%5d%c", code, (col+=6) >= 74 ? (col = 0, '\n') : ' ' ); } putc( '\n', stderr ); exit( STATUS_SUCCESS ); } code_int sorttab[1<= 0) { sorttab[codetabof(i)] = i; } } first = block_compress ? FIRST : 256; for(i = first; i < free_ent; i++) { fprintf(stderr, "%5d: \"", i); de_stack[--stack_top] = '\n'; de_stack[--stack_top] = '"'; stack_top = in_stack((htabof(sorttab[i])>>maxbits)&0xff, stack_top); for(ent=htabof(sorttab[i]) & ((1< 256; ent=htabof(sorttab[ent]) & ((1<> maxbits, stack_top); } stack_top = in_stack(ent, stack_top); fwrite( &de_stack[stack_top], 1, STACK_SIZE-stack_top, stderr); stack_top = STACK_SIZE; } } else if(!debug) { /* decompressing */ for ( i = 0; i < free_ent; i++ ) { ent = i; c = tab_suffixof(ent); if ( isascii(c) && isprint(c) ) fprintf( stderr, "%5d: %5d/'%c' \"", ent, tab_prefixof(ent), c ); else fprintf( stderr, "%5d: %5d/\\%03o \"", ent, tab_prefixof(ent), c ); de_stack[--stack_top] = '\n'; de_stack[--stack_top] = '"'; for ( ; ent != NULL; ent = (ent >= FIRST ? tab_prefixof(ent) : NULL) ) { stack_top = in_stack(tab_suffixof(ent), stack_top); } fwrite( &de_stack[stack_top], 1, STACK_SIZE - stack_top, stderr ); stack_top = STACK_SIZE; } } } int in_stack(c, stack_top) register c, stack_top; { if ( (isascii(c) && isprint(c) && c != '\\') || c == ' ' ) { de_stack[--stack_top] = c; } else { switch( c  , COMPRESS.BCKb[WORK]COMPRESS.C;26VjLm]) { case '\n': de_stack[--stack_top] = 'n'; break; case '\t': de_stack[--stack_top] = 't'; break; case '\b': de_stack[--stack_top] = 'b'; break; case '\f': de_stack[--stack_top] = 'f'; break; case '\r': de_stack[--stack_top] = 'r'; break; case '\\': de_stack[--stack_top] = '\\'; break; default: de_stack[--stack_top] = '0' + c % 8; de_stack[--stack_top] = '0' + (c / 8) % 8; de_stack[--stack_top] = '0' + c / 64; break; } de_stack[--stack_top] = '\\'; } return stack_top; } #endif /* DEBUG */ writeerr() { perror ( ofname ); unlink ( ofname ); exit ( STATUS_ERROR ); } copystat(ifname, ofname) char *ifname, *ofname; { struct stat statbuf; int mode; time_t timep[2]; #ifdef MSDOS if (_osmajor < 3) freopen("CON","at",stdout); else /* MS-DOS 2.xx bug */ #endif fclose(stdout); if (stat(ifname, &statbuf)) { /* Get stat on input file */ perror(ifname); return; } #ifndef MSDOS if ((statbuf.st_mode & S_IFMT/*0170000*/) != S_IFREG/*0100000*/) { if(quiet) fprintf(stderr, "%s: ", ifname); fprintf(stderr, " -- not a regular file: unchanged"); exit_stat = STATUS_ERROR; } else if (statbuf.st_nlink > 1) { if(quiet) fprintf(stderr, "%s: ", ifname); fprintf(stderr, " -- has %d other links: unchanged", statbuf.st_nlink - 1); exit_stat = STATUS_ERROR; } else if (exit_stat == STATUS_BIGGER && (!force)) { /* No compression: remove file.Z */ #else if (exit_stat == STATUS_BIGGER && (!force)) { /* No compress!Hj  COMPRESS.BCKb[WORK]COMPRESS.C;26Vj`ion: remove file.Z */ #endif /* MSDOS */ if(!quiet) fprintf(stderr, " -- file unchanged"); } else { /* ***** Successful Compression ***** */ exit_stat = STATUS_SUCCESS; mode = statbuf.st_mode & 07777; if (chmod(ofname, mode)) /* Copy modes */ perror(ofname); #ifndef MSDOS chown(ofname, statbuf.st_uid, statbuf.st_gid); /* Copy ownership */ #endif timep[0] = statbuf.st_atime; timep[1] = statbuf.st_mtime; utime(ofname, timep); /* Update last accessed and modified times */ precious = 1; if (same_names == 1) { unlink(ifname); rename(ofname, ifname); if(!quiet) if (do_decomp == 0) fprintf(stderr, " -- compressed"); else fprintf(stderr, " -- decompressed"); } else { if (unlink(ifname)) /* Remove input file */ perror(ifname); if(!quiet) fprintf(stderr, " -- replaced with %s", ofname); } return; /* Successful return */ } /* Unsuccessful return -- one of the tests failed */ if (unlink(ofname)) perror(ofname); } #ifndef MSDOS /* * This routine returns 1 if we are running in the foreground and stderr * is a tty. */ foreground() { if(bgnd_flag != SIG_DFL) { /* background? */ return(0); } else { /* foreground */ if(isatty(2)) { /* and stderr is a tty */ return(1); } else { return(0); } } } #endif onintr ( ) { if (!precious) unlink ( ofname ); exit ( STATUS_ERROR ); } #ifndef MSDOS oops ( ) /* wild pointer -- assume bad input */ { if ( do_decomp == 1 ) fprintf ( stderr, "uncompress: corrupt i"Nm COMPRESS.BCKb[WORK]COMPRESS.C;26Vjucnput\n" ); unlink ( ofname ); exit ( STATUS_ERROR ); } #endif /* MSDOS */ cl_block () /* table clear for block compress */ { register long int rat; checkpoint = in_count + CHECK_GAP; #ifdef DEBUG if ( debug ) { fprintf ( stderr, "count: %ld, ratio: ", in_count ); prratio ( stderr, in_count, bytes_out ); fprintf ( stderr, "\n"); } #endif /* DEBUG */ if(in_count > 0x007fffff) { /* shift will overflow */ rat = bytes_out >> 8; if(rat == 0) { /* Don't divide by zero */ rat = 0x7fffffff; } else { rat = in_count / rat; } } else { rat = (in_count << 8) / bytes_out; /* 8 fractional bits */ } if ( rat > ratio ) { ratio = rat; } else { ratio = 0; #ifdef DEBUG if(verbose) dump_tab(); /* dump string table */ #endif cl_hash ( (count_int) hsize ); free_ent = FIRST; clear_flg = 1; output ( (code_int) CLEAR ); #ifdef DEBUG if(debug) fprintf ( stderr, "clear\n" ); #endif /* DEBUG */ } } cl_hash(hsize) /* reset code table */ register count_int hsize; { #ifdef XENIX_16 register j; register long k = hsize; # ifdef MSDOS register count_int far *htab_p; # else register count_int *htab_p; # endif /* MSDOS */ #else /* Normal machine */ register count_int *htab_p = htab+hsize; #endif /* XENIX_16 */ register long i; register long m1 = -1; #ifdef XENIX_16 for(j=0; j<=8 && k>=0; j++,k-=8192) { i = 8192; if(k < 8192) { i = k; } htab_p = &(htab[j][i]); i -= 16; if(i > 0) { #else i = hsize - 16; #endif do { /* might use Sys V me# COMPRESS.BCKb[WORK]COMPRESS.C;26Vjfmset(3) here */ *(htab_p-16) = m1; *(htab_p-15) = m1; *(htab_p-14) = m1; *(htab_p-13) = m1; *(htab_p-12) = m1; *(htab_p-11) = m1; *(htab_p-10) = m1; *(htab_p-9) = m1; *(htab_p-8) = m1; *(htab_p-7) = m1; *(htab_p-6) = m1; *(htab_p-5) = m1; *(htab_p-4) = m1; *(htab_p-3) = m1; *(htab_p-2) = m1; *(htab_p-1) = m1; htab_p -= 16; } while ((i -= 16) >= 0); #ifdef XENIX_16 } } #endif for ( i += 16; i > 0; i-- ) *--htab_p = m1; } prratio(stream, num, den) FILE *stream; longg int num, den; { #ifdef DEBUG register long q; /* permits |result| > 655.36% */ #else register int q; /* Doesn't need to be long */ #endif if(num > 214748L) { /* 2147483647/10000 */ q = num / (den / 10000L); } else { q = 10000L * num / den; /* Long calculations, though */ } if (q < 0) { putc('-', stream); q = -q; } fprintf(stream, "%d.%02d%%", (int)(q / 100), (int)(q % 100)); } version() { fprintf(stderr, "%s\n", rcs_ident); fprintf(stderr, "Options: "); #ifdef VMS fprintf(stderr, "VMS, "); #endif #ifdef vax fprintf(stderr, "vax, "); #endif #ifdef NO_UCHAR fprintf(stderr, "NO_UCHAR, "); #endif #ifdef SIGNED_COMPARE_SLOW fprintf(stderr, "SIGNED_COMPARE_SLOW, "); #endif #ifdef MSDOS fprintf(stderr, "MSDOS, "); #endif #ifdef XENIX_16 fprintf(stderr, "XENIX_16, "); #endif #ifdef COMPATIBLE fprintf(stderr, "COMPATIBLE, "); #endif #ifdef DEBUG fprintf(stderr, "DEBUG, "); #endif #ifdef BSD4_2 fprintf(stderr, "BSD4_2, "); #endif fprintf(stderr, "BITS = %d\n", BITS); } #ifdef VMS $(ۡ COMPRESS.BCKb[WORK]COMPRESS.C;26Vj>i#include rms /* VAX/VMS Record Management Definitions */ utime(fname, times) /* Update last accessed and modified times */ char *fname; time_t *times; { struct FAB fab = cc$rms_fab; struct XABRDT xabrdt = cc$rms_xabrdt; fab.fab$l_xab = &xabrdt; fab.fab$l_fna = fname; fab.fab$b_fns = strlen(fname); fab.fab$b_fac |= FAB$M_UPD; sys$open(&fab); unix_to_vms_time(times[1], &xabrdt.xab$q_rdt); sys$close(&fab); } unix_to_vms_time(utime, vtime) time_t utime; long *vtime; { time_t unow; long vnow[2]; time_t uadjust; long vadjust[2]; time(&unow); sys$gettim(vnow); uadjust = utime - unow; lib$emul(&uadjust, &10000000, &0, vadjust); lib$addx(vadjust, vnow, vtime); } #endif %-wb COMPRESS.BCK[1b[WORK]ARGPROC.C;2Vk*[WORK]ARGPROC.C;2+,[1./* 4V$-b0123KPWO56o3 77 O89 cF?hG*HJ/* * @(#)argproc.c 1.0 89/02/01 Mark Pizzolato (mark@infopiz.uucp) */ #ifndef lint char argproc_version[] = "@(#)argproc.c VMS uucp Version infopiz-1.0"; #endif #include "includes.h" /* System include files, system dependent */ /* * getredirection() is intended to aid in porting C programs * to VMS (Vax-11 C) which does not support '>' and '<' * I/O redirection, along with a command line pipe mechanism * using the '|' AND background command execution '&'. * The piping mechanism will probably work with almost any 'filter' type * of program. With suitable modification, it may useful for other * portability problems as well. * * Author: Mark Pizzolato mark@infopiz.UUCP */ struct list_item { struct list_item *next; char *value; }; int getredirection(ac, av) int *ac; char ***av; /* * Process vms redirection arg's. Exit if any error is seen. * If getredirection() processes an argument, it is erased * from the vector. getredirection() returns a new argc and argv value. * In the event that a background command is requested (by a trailing "&"), * this routine creates a background subprocess, and simply exits the program. * * Warning: do not try to simplify the code for vms. The code * presupposes that getredirection() is called before any data is * read from stdin or written to stdout. * * Normal usage is as follows: * * main(argc, argv) * int argc; * char *argv[]; * { * getredirection(&argc, &argv); * } */ { int argc = *ac; /* Argument Count &HD COMPRESS.BCK[1b[WORK]ARGPROC.C;2V*/ char **argv = *av; /* Argument Vector */ char *ap; /* Argument pointer */ int j; /* argv[] index */ extern int errno; /* Last vms i/o error */ int item_count = 0; /* Count of Items in List */ struct list_item *list_head = 0; /* First Item in List */ struct list_item *list_tail; /* Last Item in List */ char *in = NULL; /* Input File Name */ char *out = NULL; /* Output File Name */ char *outmode = "w"; /* Mode to Open Output File */ int cmargc = 0; /* Piped Command Arg Count */ char **cmargv = NULL;/* Piped Command Arg Vector */ /* * First handle the case where the last thing on the line ends with * a '&'. This indicates the desire for the command to be run in a * subprocess, so we satisfy that desire. */ ap = argv[argc-1]; if (0 == strcmp("&", ap)) exit(background_process(--argc, argv)); if ('&' == ap[strlen(ap)-1]) { ap[strlen(ap)-1] = '\0'; exit(background_process(argc, argv)); } /* * Now we handle the general redirection cases that involve '>', '>>', * '<', and pipes '|'. */ for (j = 0; j < argc; ++j) { if (0 == strcmp("<", argv[j])) { if (j+1 >= argc) { errno = EINVAL; perror("No input file"); exit(EXIT_ERR); } in = argv[++j]; continue; } if ('<' == *(ap = argv[j])) { in = 1 + ap; continue; } if (0 == strcmp(">", ap)) { if (j+1 >= argc) { errno = EINVAL; perro'| COMPRESS.BCK[1b[WORK]ARGPROC.C;2VRr("No output file"); exit(EXIT_ERR); } out = argv[++j]; continue; } if ('>' == *ap) { if ('>' == ap[1]) { outmode = "a"; if ('\0' == ap[2]) out = argv[++j]; else out = 2 + ap; } else out = 1 + ap; continue; } if (0 == strcmp("|", argv[j])) { if (j+1 >= argc) { errno = EPIPE; perror("No command to Pipe to"); exit(EXIT_ERR); } cmargc = argc-(j+1); cmargv = &argv[j+1]; argc = j; continue; } if ('|' == *(ap = argv[j])) { ++argv[j]; cmargc = argc-j; cmargv = &argv[j]; argc = j; continue; } expand_wild_cards(ap, &list_head, &list_tail, &item_count); } /* * Allocate and fill in the new argument vector, Some Unix's terminate * the list with an extra null pointer. */ argv = *av = calloc(item_count+1, sizeof(char *)); for (j = 0; j < item_count; ++j, list_head = list_head->next) argv[j] = list_head->value; *ac = item_count; if (cmargv != NULL) { char subcmd[1024]; static char *pipe_and_fork(); if (out != NULL) { errno = EINVAL; perror("Invalid '|' and '>' specified"); exit(EXIT_ERR); } strcpy(subcmd, cmargv[0]); for (j = 1; j < cmargc; ++j) { strcat(subcmd, " \""); strcat(subcmd, cmargv[j]); strcat(subcmd, "\""); } out = pipe_and_fork(subcmd); } if ((in != NULL) && (NULL == freopen(in, "r", stdin, "mbc=32", "mbf=2"))) { perror(in); /* Can't find file */ exit(މu COMPRESS.BCK[1b[WORK]ARGPROC.C;2Vc (EXIT_ERR); /* Is a fatal error */ } if ((out != NULL) && (NULL == freopen(out, outmode, stdout, "mbc=32", "mbf=2"))) { perror(ap); /* Error, can't write or append */ exit(EXIT_ERR); /* Is a fatal error */ } #ifdef DEBUG fprintf(stderr, "Arglist:\n"); for (j = 0; j < *ac; ++j) fprintf(stderr, "argv[%d] = '%s'\n", j, argv[j]); #endif } static add_item(head, tail, value, count) struct list_item **head; struct list_item **tail; char *value; int *count; { if (*head == 0) { if (NULL == (*head = calloc(1, sizeof(**head)))) { errno = ENOMEM; perror(""); exit(EXIT_ERR); } *tail = *head; } else if (NULL == ((*tail)->next = calloc(1, sizeof(**head)))) { errno = ENOMEM; perror(""); exit(EXIT_ERR); } else *tail = (*tail)->next; (*tail)->value = value; ++(*count); } static expand_wild_cards(item, head, tail, count) char *item; struct ltem_list **head; struct ltem_list **tail; int *count; { int expcount = 0; int context = 0; int status; int status_value; int had_version; $DESCRIPTOR(filespec, item); $DESCRIPTOR(defaultspec, "SYS$DISK:[]*.*;"); $DESCRIPTOR(resultspec, ""); if (strcspn(item, "*%") == strlen(item)) { add_item(head, tail, item, count); return; } resultspec.dsc$b_dtype = DSC$K_DTYPE_T; resultspec.dsc$b_class = DSC$K_CLASS_D; resultspec.dsc$a_pointer = NULL; filespec.dsc$w_length = strlen(item); /* * Only return version specs, if the caller specified a version */ had_ve)?ǩ COMPRESS.BCK[1b[WORK]ARGPROC.C;2V rsion = strchr(item, ';'); while (1 == (1&lib$find_file(&filespec, &resultspec, &context, &defaultspec, 0, &status_value, &0))) { char *string; char *c; if (NULL == (string = calloc(1, resultspec.dsc$w_length+1))) { errno = ENOMEM; perror(""); exit(EXIT_ERR); } strncpy(string, resultspec.dsc$a_pointer, resultspec.dsc$w_length); string[resultspec.dsc$w_length] = '\0'; if (NULL == had_version) *((char *)strrchr(string, ';')) = '\0'; /* * Be consistent with what the C RTL has already done to the rest of * the argv items and lowercase all of these names. */ for (c = string; *c; ++c) if (isupper(*c)) *c = tolower(*c); add_item(head, tail, string, count); ++expcount; } if (expcount == 0) add_item(head, tail, item, count); lib$sfree1_dd(&resultspec); lib$find_file_end(&context); } static int child_st[2]; /* Event Flag set when child process completes */ static short child_chan;/* I/O Channel for Pipe Mailbox */ static exit_handler(status) int *status; { short iosb[4]; if (0 == child_st[0]) { #ifdef DEBUG fprintf(stderr, "Waiting for Child Process to Finnish . . .\n"); #endif sys$qiow(0, child_chan, IO$_WRITEOF, iosb, 0, 0, 0, 0, 0, 0, 0, 0); sys$dassgn(child_chan); fclose(stdout); sys$synch(0, child_st); } } #include syidef /* System Information Definitions */ static sig_child(chan) int chan; { #ifdef DEBUG fprintf(stderr, "Child Completion AST\n"); #endif if (child_st[0] == 0) child_st[0] = 1; } static stru* 0P COMPRESS.BCK[1b[WORK]ARGPROC.C;2VZ{ct exit_control_block { struct exit_control_block *flink; int (*exit_routine)(); int arg_count; int *status_address; int exit_status; } exit_block = { 0, exit_handler, 1, &exit_block.exit_status, 0 }; static char *pipe_and_fork(cmd) char *cmd; { $DESCRIPTOR(cmddsc, cmd); static char mbxname[64]; $DESCRIPTOR(mbxdsc, mbxname); short iosb[4]; int status; int pid; struct { short dna_buflen; short dna_itmcod; char *dna_buffer; short *dna_retlen; int listend; } itmlst = { sizeof(mbxname), DVI$_DEVNAM, mbxname, &mbxdsc.dsc$w_length, 0 }; int mbxsize; struct { short mbf_buflen; short mbf_itmcod; int *mbf_maxbuf; short *mbf_retlen; int listend; } syiitmlst = { sizeof(mbxsize), SYI$_MAXBUF, &mbxsize, 0, 0 }; cmddsc.dsc$w_length = strlen(cmd); /* * Get the SYSGEN parameter MAXBUF, and the smaller of it and 2048 as * the size of the 'pipe' mailbox. */ if (1 == (1&(vaxc$errno = sys$getsyiw(0, 0, 0, &syiitmlst, iosb, 0, 0, 0)))) vaxc$errno = iosb[0]; if (0 == (1&vaxc$errno)) { errno = EVMSERR; perror("Can't get SYSGEN parameter value for MAXBUF"); exit(EXIT_ERR); } if (mbxsize > 2048) mbxsize = 2048; if (0 == (1&(vaxc$errno = sys$crembx(0, &child_chan, mbxsize, mbxsize, 0, 0, 0)))) { errno = EVMSERR; perror("Can't create pipe mailbox"); exit(EXIT_ERR); } if (1 == (1&(vaxc$errno = sys$getdviw(0, child_chan, 0, &itmlst, iosb, 0, 0, 0)))) va+]V COMPRESS.BCK[1b[WORK]ARGPROC.C;2Vxc$errno = iosb[0]; if (0 == (1&vaxc$errno)) { errno = EVMSERR; perror("Can't get pipe mailbox device name"); exit(EXIT_ERR); } mbxname[mbxdsc.dsc$w_length] = '\0'; #ifdef DEBUG fprintf(stderr, "Pipe Mailbox Name = '%s'\n", mbxname); #endif if (0 == (1&(vaxc$errno = lib$spawn(&cmddsc, &mbxdsc, 0, &1, 0, &pid, child_st, &0, sig_child, &child_chan)))) { errno = EVMSERR; perror("Can't spawn subprocess"); exit(EXIT_ERR); } #ifdef DEBUG fprintf(stderr, "Subprocess's Pid = %08X\n", pid); #endif sys$dclexh(&exit_block); return(mbxname); } background_process(argc, argv) int argc; char **argv; { char command[2048] = "$"; $DESCRIPTOR(value, command); $DESCRIPTOR(cmd, "BACKGROUND$COMMAND"); $DESCRIPTOR(null, "NLA0:"); int pid; strcat(command, argv[0]); while (--argc) { strcat(command, " \""); strcat(command, *(++argv)); strcat(command, "\""); } value.dsc$w_length = strlen(command); if (0 == (1&(vaxc$errno = lib$set_symbol(&cmd, &value)))) { errno = EVMSERR; perror("Can't create symbol for subprocess command"); exit(EXIT_ERR); } if (0 == (1&(vaxc$errno = lib$spawn(&cmd, &null, 0, &17, 0, &pid)))) { errno = EVMSERR; perror("Can't spawn subprocess"); exit(EXIT_ERR); } #ifdef DEBUG fprintf(stderr, "%s\n", command); #endif fprintf(stderr, "%08X\n", pid); return(EXIT_OK); } /* got this off net.sources */ #ifdef VMS #define index strchr #endif /*VMS*/ /* * get option letter from argument vector */ int opterr = 1, /* u,- COMPRESS.BCK[1b[WORK]ARGPROC.C;2Vseless, never set or used */ optind = 1, /* index into parent argv vector */ optopt; /* character checked for validity */ char *optarg; /* argument associated with option */ #define BADCH (int)'?' #define EMSG "" #define tell(s) fputs(*nargv,stderr);fputs(s,stderr); \ fputc(optopt,stderr);fputc('\n',stderr);return(BADCH); getopt(nargc,nargv,ostr) int nargc; char **nargv, *ostr; { static char *place = EMSG; /* option letter processing */ register char *oli; /* option letter list index */ char *index(); if(!*place) { /* update scanning pointer */ if(optind >= nargc || *(place = nargv[optind]) != '-' || !*++place) return(EOF); if (*place == '-') { /* found "--" */ ++optind; return(EOF); } } /* option letter okay? */ if ((optopt = (int)*place++) == (int)':' || !(oli = index(ostr,optopt))) { if(!*place) ++optind; tell(": illegal option -- "); } if (*++oli != ':') { /* don't need argument */ optarg = NULL; if (!*place) ++optind; } else { /* need an argument */ if (*place) optarg = place; /* no white space */ else if (nargc <= ++optind) { /* no arg */ place = EMSG; tell(": option requires an argument -- "); } else optarg = nargv[optind]; /* white space */ place = EMSG; ++optind; } return(optopt); /* dump back option letter */ } -Y COMPRESS.BCKgb[WORK]INCLUDES.H;47Oƪ*[WORK]INCLUDES.H;47+,g./* 4O -b0123KPWO56E97`89 cF?hG*HJ. COMPRESS.BCKgb[WORK]INCLUDES.H;47Ob@/*< * @(#)includes.h 1.8 89/04/01 Jamie Hanrahan (simpact!jeh) *7 * Version simpact-1.8, for DECUS uucp (VMS portion). F * All changes and additions from previous versions (see below) are in * the public domain.  * * Derived from: * H * includes.h 1.7 87/09/29 Copyright 1987 Free Software Foundation, Inc. *E * Copying and use of this program are controlled by the terms of the$ * GNU Emacs General Public License. */ * Include files for various supported systems:H * Note that NAMESIZE should be the max length of a file name, includingC * all its directories, drive specifiers, extensions, and the like.F * E.g. on a Unix with 14-char file names, NAMESIZE is several hundred5 * characters, since the 14-char names can be nested. */#include ctype#include descrip#include dvidef#include errno #include file#include iodef #include math#include setjmp#include signal#include ssdef #include stat#include stdlib #include stdio#include string #include time#define NAMESIZE 255,#define UUXQT_DOORBELL "UUCP_UUXQT_DOORBELL"$#define UUCICO_REQMB "UUCP_REQUESTS"$#define UUX_QUEUE "UUCP_BATCH_QUEUE"+#define UUX_FILE "UUCP_BIN:UUXQT_BATCH.COM".#define DEBUG_LOG_FILE "vmsnet_log:uucico_dbg"$#define UUX_LOG "UUCP_LOG:UUXQT.LOG"&#define SYSLOCK_TEMPLATE "UUCP_SYS_%s"%#define STATUS_LNT "LNM$SYSTEM_TABLE"(#define STATUS_TEMPLATE "UUCP_STATUS_%s"#define MAXLOCK 32#define LOGLEN 255#define SEQSIZE 41#define CONTROL_FILE "uucp_cfg:control."/? COMPRESS.BCKgb[WORK]INCLUDES.H;47O E#define LOGCLOSE /* Logfile must be closed; VMS locks it when open */H#define EXEDIR "uucp_bin:" /* uuxqt executables live here (not used) */#define NULL_DEVICE "NL:"$#define fork vfork /* (not used) */$#define STATUS int /* (not used) */$#define postmaster "UUCP_POSTMASTER"(#define EXIT_OK 1 /* image exit code */1#define EXIT_ERR 0x10000000 /* image exit code */6#define ENABLE 1 /* for $SETAST (and maybe others) */#define DISABLE 0(#define time_t unsigned /* (not used) */)#define remove delete /* Remove a file */5#define qsort pqsort /* Our own version (not used) */@#define FOPEN_W_MODE "w" /* mode to open files being received */'#define FOPEN_R_MODE "r" /* or sent */-#define SS_FAILED(status) (((status)&1) == 0)O#define initdsc(d) d.dsc$b_class = DSC$K_CLASS_S, d.dsc$b_dtype = DSC$K_DTYPE_TE#define fillindsc(d, s) d.dsc$w_length=strlen(s), d.dsc$a_pointer=(s)##define init_itmlst3(e,i,l,c,a,r) \ (e[i].len=(l),\ e[i].code=(c),\ e[i].address=(a),\ e[i].retlen=(r))0`% COMPRESS.BCKb[WORK]COMPRESS.OBJ;21V*[WORK]COMPRESS.OBJ;21+,./* 4T -b0123KPWO56@B\70U\89 cF?hG*HJ1 COMPRESS.BCKb[WORK]COMPRESS.OBJ;21-5COMPRESSV1.018-MAR-1991 10:05VAX C V3.1-051PP#! cunbatch P$Header: compress.c,v 4.0 85/07/30 12:50:00 joe Release $ P PP PPUsage: compress [-cdfivVpz] [-r recsize] [-b maxbits] [file ...] PPP P'#P$PBPuncompress.exeQPzcat.exeZPMissing maxbits kPMissing recordsize PUnknown flag: '%c'; P_zP_zPrbPmbc=32Pmbf=2PrPmbc=32Pmbf=2P%s: missing '#! cunbatch\n' P%s: not in compressed format P%s: compressed with %d bits, can only handle %d bits *P_z-P_z0P%s: already has .Z suffix -- no change XPrZPmbc=32aPmbf=2gP_zjP%s already exists;}P do you wish to overwrite %s (y or n)? PstderrP not overwritten Prfm=stmlfPrat=crPrfm=fixPmrs=%dPwPmbc=32Pmbf=2P%s: Pstdin: missing '#! cunbatch\n' Pstdin: not in compressed format 3Pstdin: compressed with %d bits, can only handle %d bits 'PlPCompression: *P C$V_CTYPEDEFS CC$RMS_NAM CC$RMS_FAB CC$RMS_RAB CC$RMS_XABALL CC$RMS_XABDAT CC$RMS_XABFHC CC$RMS_XABKEY CC$RMS_XABPRO CC$RMS_XABRDT CC$RMS_XABSUM CC$RMS_XABTRMOUTPUTUSAGEGETCODESIGNALPERRORFFLUSHFPUTCSPRINTFPRINTFFPRINTFFWRITEFREADFGETCFCLOSEFREOPENCOPYSTAT DECOMPRESSCOMPRESSREAD FORE2ʪ+ COMPRESS.BCKb[WORK]COMPRESS.OBJ;21oGROUNDSTATDOCATSTRCATSTRCPYSTRCMPSTRLENATOIEXITVERSIONSTRNCMPGETREDIRECTIONOOPSONINTRMALLOCRINDEXPRRATIOCL_BLOCKOUTPUTCL_HASHWRITEERRWRITEERRLIB$INSVWRITEERR LIB$EXTZVEXITDELETERENAMEDELETEUTIMECHOWNCHMODSTATISATTYEXITDELETEEXITDELETECL_HASH SYS$CLOSEUNIX_TO_VMS_TIMESYS$OPENSTRLENLIB$ADDX+P?zP%s: P -- not a regular file: unchangedP%s: P -- has %d other links: unchangedP -- file unchangedP -- compressedP -- decompressedP -- replaced with %sPuncompress: corrupt input +P%d.%02d%%5P%s 9POptions: CPVMS, IPBITS = %d P^FPRINTFPP^ C$MAIN_ARGS!XTZ[θ߬߬GETREDIRECTIONSIGNALScP%%ONINTRcOOPS cx~MALLOCPμP<Ծ<]~ݼRINDEXPSSPмSߤBSSTRNCMPP &!ߤQSSTRNCMPP&׬լ1'VERSIONYFPRINTFVUSAGEUEXITSATOIWPЬRb-1b1P޼PPPC7P1 "?Pi1P#1P1P&1Pθh11P1PЬP`"׬ ռߤZjfeݏcݼgP 1P#ЬP`"׬ ռߤkjfeݏcݼgP$pCP7Ph3!  COMPRESS.BCKb[WORK]COMPRESS.OBJ;21^(P޼P~ߤjfeݏcЬP`1FμRμb޼׬լ1      x  վ<1ZЮRgS\LcR\RR2RjGETCODEPUUTUiT~FPUTCйR WRITEERRgRSGETCODEPR1GETCODE[FPUTCXR7/\>PP\<jkPRRxR\RjTURRgPB` PNo output file %Pa 'P| )PNo command to Pipe to ?PInvalid '|' and '>' specified ]P " `P" bPr dPmbc=32 kPmbf=2 qPmbc=32 xPmbf=2 PSYS$DISK:[]*.*; P*%P PCan't get SYSGEN parameter value for MAXBUF PCan't create pipe mailbox PCan't get pipe mailbox device name PCan't spawn subprocess P$ PBACKGROUND$COMMAND *PNLA0: 0P " 3P" 5PCan't create symb C$V_CTYPEDEFSBACKGROUND_PROCESSSTRLENSTRCSPNSTRRCHRSTRCHRSTRCMPSTRCATSTRNCPYSTRCPYPERRORFPUTCFPRINTFFPUTSFCLOSEFREOPENEXITCALLOCTOLOWERBACKGROUND_PROCESSLIB$FIND_FILE_END LIB$SFREE1_DD LIB$FIND_FILE SYS$SYNCH SYS$DASSGNSYS$QIOW SYS$DCLEXH LIB$SPAWN SYS$GETDVIW SYS$CREMBX SYS$GETSYIW LIB$SPAWNLIB$SET_SYMBOLSTRCHRol for subprocess command `PCan't spawn subprocess wP%08X  P P`P } ~P: illegal option --  P: option requires an argument -- P^ T[мVмS|ԮZd|VRBcUUߤSTRCMPPSVVBACKGROUND_PROCESSPEXITUSTRLENP&@e"USTRLENP@eSVBACKGROUND_PROCESSPEXITRV14STRCMPYPERRORXEXITWBcߤiP'RPPVkߤhݏgRBc1PBcUe+>ޤ% RBcZPUZvPUZnPBcߤ'iP3RPPV kߤ)hݏgRPPVRP@c RV-BcU|eBcRVBc RV߭߭߭URRV1ЬV~CALLOCPfPSRխPЭPРBcRнRЭծ oZkߤ?PERRORݏEXITݾ STRCPYR.STRCATSߤ]cB cߤ`cRR@PZծ4ߤkߤdߤbݮ(FREOPENPݮPERRORݏEXITZ2ߤxߤqݮ ZFREOPENPUPERRORݏEXIT ^ SЬRb8CALLOCPb ߣ~PERRORݏEXITм?PЬRCALLOCP# ߣPERRORݏEXITPвbмPЬ ^ VYUWԭЬSSƀ购ܐސƐƑSSTRCSPNPRSSTRLENRPݬSݬ ݬސԭݬSTRLENP;ݬSTRCHRPXԭ߭߭߭ܟ LIB$FIND_FILEʏPP1TOLOWERSPܭԭ<< COMPRESS.BCKb[WORK]ARGPROC.OBJ;2 ذOޭ|ݬSTRLENP|~߭쟭|~ SYS$GETSYIWPdˏdPP2dˏdPPЏeÕPERRORݏEXITѭ<|~ݭݭ? SYS$CREMBXPdˏdPPЏePERRORݏEXIT|~߭쟭2~ SYS$GETDVIWPdˏdPP2dˏdPPЏePERRORݏEXITC  COMPRESS.BCK*b[WORK]COMPRESS.EXE;24 *[WORK]COMPRESS.EXE;24+,*. /* 4 !-b0123 KPWO!56(5c7%6c89 cF?hG*HJ?Y COMPRESS.BCK*b[WORK]COMPRESS.EXE;24 s0DX0205(2c~h\COMPRESSV1.0 ټ2c05-05  ,. ?  ? ! VAXCRTL_001! LIBRTL_001O! MTHRTL_001Usage: compress [-cdfivVpz] [-r recsize] [-b maxbits] [file ...] uncompress.exezcat.exeMissing maxbits Missing recordsize Unknown flag: '%c'; _z_zrbmbc=32mbf=2rmbc=32mbf=2%s: missing '#! cunbatch\n' %s: not in compressed format %s: compressed with %d bits, can only handle %d bits _z_z%s: already has .Z suffix -- no change rmbc=32mbf=2_z%s already exists; do you wish to overwrite %s (y or n)? stderr not overwritten rfm=stmlfrat=crrfm=fixmrs=%dwmbc=32mbf=2%s: stdin: missing '#! cunbatch\n' stdin: not in compressed format stdin: compressed with %d bits, can only handle %d bits Compression: %s: -- not a regular file: unchanged%s: -- has %d other links: unchanged -- file unchanged -- compressed -- decompressed -- replaced with %suncompress: corrupt input %d.%02d%%%s Options: VMS, BITS = %d w&<No input file>No output filea|No command to Pipe toInvalid '|' and '>' specified ""rmbc=32mbf=2mbc=32mbf=2SYS$DISK:[]*.*;*%Can't get SYSGEN parame@H- COMPRESS.BCK*b[WORK]COMPRESS.EXE;24 "ter value for MAXBUFCan't create pipe mailboxCan't get pipe mailbox device nameCan't spawn subprocess$BACKGROUND$COMMANDNLA0: ""Can't create symbol for subprocess commandCan't spawn subprocess%08X : illegal option -- : option requires an argument -- $Header: compress.c,v 4.0 85/07/30 12:50:00 joe Release $w@(#)argproc.c VMS uucp Version infopiz-1.0'#! cunbatch  AL COMPRESS.BCK*b[WORK]COMPRESS.EXE;24 2?^##"PP^;"XʥT"Z[θ߬߬6t"ScPc+ cx~!PμP<Ծ<]~ݼPSSPмSߤBS!P k!ߤQS!POL׬լ1'Y!VUb!S_!WPЬRb-1b1P޼PPPC7|Ph\ t1 "?Pi1P1P21PBF COMPRESS.BCK*b[WORK]COMPRESS.EXE;24  =1Pθh11Pީ1PЬP`"׬ ռߤZjfeݏcݼgP.1P ЬP`"׬ ռߤkjfeݏcݼgPpCPe7PUh(eP޼P~ߤjfeݏcЬP`1FμRμb޼׬լ1`  VPFx@Bվ<1ZЮRgS\LcR\ΜRR2Rj%PUUTUiT~YйR gRSPR1[XR7M/\>PP\D<jkPRRxR\RjTURRgPB`e+>ޤ% RBcZPUZvPUZnPBcߤ'iP3RPPV kߤ)hݏgRPPVRP@c RV-BcU|eBcRVBc RV߭߭߭URRV1ЬV~ PfPSRխPЭPРBcRнRЭծ oZkߤ?' ݏ ݾ  R. Sߤ]cB cߤ`cRR@PZծ4ߤkߤd ߤbݮ( Pݮ ݏH Z2ߤxߤq ݮ ZL PUg ݏ  ^яSЬRb8Pb ߣ~# ݏм?PЬRyP# ` ߣݏPвbF COMPRESS.BCK*b[WORK]COMPRESS.EXE;24 i>мPЬ ^8V Y UWԭЬSSƀ购ܐސƐƑSPRSRPݬSݬ ݬސԭݬP;ݬPXԭ߭߭߭ܟ8ʏPP1WSPܭԭذOޭ|ݬP|~߭쟭|~0PdˏdPP2dˏdPPЏeÕݏvѭ<|~ݭݭ?PdˏdPPЏewݏ"|~߭쟭2~PdˏdPP2dˏdPPЏeݏ