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Atari Mega Archive 1
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Atari Mega Archive - Volume 1.iso
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archiver
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zoo21src.zoo
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zoo.c
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C/C++ Source or Header
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1991-07-24
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17KB
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534 lines
#ifndef LINT
/* derived from: zoo.c 2.24 88/01/29 00:55:09 */
static char sccsid[]="$Id: zoo.c,v 1.5 1991/07/24 23:47:04 bjsjr Rel $";
#endif /* LINT */
#if 0
#define TRACEI(item) printf("line %d: %s= %d\n", __LINE__, #item, item)
#define TRACES(item) printf("line %d: %s= [%s]\n", __LINE__, #item, item)
#endif
extern char version[];
/*
Copyright (C) 1986, 1987 Rahul Dhesi -- All rights reserved
(C) Copyright 1988 Rahul Dhesi -- All rights reserved
(C) Copyright 1991 Rahul Dhesi -- All rights reserved
*/
#include "options.h"
#include "zoo.h"
#include "zooio.h"
#include "various.h"
#include "zoofns.h"
#include "errors.i"
#include "zoomem.h"
static void ms_help PARMS((char *));
static void wait_return PARMS((void));
#ifdef TRACE_IO
int verbose = 0;
#endif
int instr PARMS ((char *, char *));
char *out_buf_adr; /* points to memory allocated for output buffer(s) */
char *in_buf_adr; /* points to memory allocated for input buffer */
/* static declarations */
int quiet = 0; /* whether to be quiet */
int next_arg = FIRST_ARG; /* filenames start at this position */
int arg_count; /* count of arguments supplied to program */
char **arg_vector; /* vector of arguments supplied to program */
#ifndef GLOB
int main(argc,argv)
#else
int zoomain(argc,argv)
#endif
register int argc;
register char **argv;
{
char *zooname; /* synonym for argv[2] -- to make life easier */
#ifndef OOZ
static char incorrect_args[] = "Incorrect number of arguments.\n";
int filecount; /* how many filespecs supplied */
#endif /* OOZ */
#ifdef OOZ
#else
/* else not OOZ */
static char usage[] = "Usage: zoo {acDeglLPTuUvx}[aAcCdEfInmMNoOpPqu1:/.@n] archive file\n(\"zoo h\" for help, \"zoo H\" for extended help)\n";
static char nov_usage[] =
"\nNovice usage: zoo -cmd archive[.zoo] file... where -cmd is one of these:\n";
char *option;
#ifndef TOS
static char nov_cmds[] =
/* ADD=0EXT=5 MOV=14TES=20PRI=26 DEL=33 LIS=41UPD=47 FRE=55 COMMENT=64 */
"-add -extract -move -test -print -delete -list -update -freshen -comment\n";
#else
static char nov_cmds[] =
"-add -extract -move -test -print -delete -list -update -freshen -comment\n-backup -restore\n";
#endif /* TOS */
#ifdef NOENUM
#define NONE -1
#define ADD 0
#define EXTRACT 5
#define MOVE 14
#define TEST 20
#define PRINT 26
#define DELETE 33
#define LIST 41
#define UPDATE 47
#define FRESHEN 55
#define COMMENT 64
int cmd = NONE;
#else
enum choice {
NONE = -1, ADD = 0, EXTRACT = 5, MOVE = 14, TEST = 20, PRINT = 26,
DELETE = 33, LIST = 41, UPDATE = 47, FRESHEN = 55, COMMENT = 64
};
enum choice cmd = NONE; /* assume no Novice command */
#endif
#endif /* end of not OOZ */
#ifdef SPECINIT
void spec_init PARMS ((void));
spec_init(); /* system-specific startup code */
#endif
/* make sure T_UINT16 is an unsigned 16-bit type, exactly. This
code is included only if T_UINT16 was defined by default at the
end of options.h. */
#ifdef CHECK_TUINT
{
T_UINT16 i;
int status = 0;
i = ((unsigned) 1) << 15;
if (i < 0)
status = 1;
if (i != ((unsigned) 1) << 15)
status = 1;
i *= 2;
if (i != 0)
status = 1;
if (status != 0)
prterror('w', "Configuration problem: T_UINT16 is not 16 bits\n");
}
#endif
arg_count = argc;
arg_vector = argv;
zooname = argv[FIRST_ARG-1]; /* points to name or archive */
#ifdef OOZ
if (argc < 2) {
putstr (usage1);
putstr (usage2);
zooexit (1);
}
#else
/* else not OOZ */
if (argc < 2)
goto show_usage;
filecount = argc - 3;
option = str_dup(argv[1]);
#ifdef TRACE_IO
if (*option == ':') { /* for debugging output */
verbose++;
option++; /* hide the : from other functions */
}
#endif
#ifdef WAIT_PROMPT
if (*option == 'w') {
option++; /* hide w from other functions */
wait_return();
}
#endif /* WAIT_PROMPT */
if (*option == 'H') ms_help(option);
if (*option == 'h' || *option == 'H')
goto bigusage;
if (strchr("-acDegflLPTuUvVx", *option) == NULL)
goto give_list;
if (*option == '-') {
#ifdef NOENUM
cmd = instr (nov_cmds, str_lwr(option));
#else
cmd = (enum choice) instr (nov_cmds, str_lwr(option));
#endif
if (strlen(option) < 2 || cmd == NONE)
goto show_usage;
if ( ((cmd == ADD || cmd == MOVE || cmd == FRESHEN ||
cmd == UPDATE || cmd == DELETE) && argc < 4) ||
((cmd == EXTRACT || cmd == TEST || cmd == LIST ||
cmd == PRINT || cmd == COMMENT) && argc < 3)) {
fprintf (stderr, incorrect_args);
goto show_usage;
}
} else {
char *wheresI; /* will be null if I option not supplied */
if (
(
strchr("au",*option) &&
(
(((wheresI = strchr(option,'I')) != 0) &&
argc != 3) ||
wheresI==NULL && argc < 4
)
) ||
strchr("DU",*option) && argc < 4 ||
strchr("cexlvVL",*option) && argc < 3 ||
strchr("TP",*option) && argc != 3 ||
(*option == 'f' && argc != 2) ||
(*option == 'g' &&
(strchr(option,'A') == NULL && argc < 4 ||
strchr(option,'A') != NULL && argc != 3
)
)
) {
fprintf (stderr, incorrect_args);
goto show_usage;
}
}
#endif /* end of not OOZ */
#ifndef OOZ
/* if not doing a list and no extension in archive name, add default
extension */
if (*option != 'f' && cmd != LIST && strchr("lvVL", *option) == NULL &&
strchr(nameptr (zooname), EXT_CH) == NULL)
zooname = newcat (zooname, EXT_DFLT);
#endif
/*
Here we allocate a large block of memory for the duration of the program.
lzc() and lzd() will use half of it each. Routine getfile() will use all
of it. Routine decode() will use the first 8192 bytes of it. Routine
encode() will use all of it. */
/* fudge/2 fudge/2
** [______________||________________|]
** output buffer input buffer
*/
out_buf_adr = ealloc (MEM_BLOCK_SIZE);
in_buf_adr = out_buf_adr + OUT_BUF_SIZE + (FUDGE/2);
#ifdef OOZ
zooext(zooname, "\0"); /* just extract -- no fancy stuff */
zooexit (0); /* and exit normally */
#else
/* else not OOZ -- parse command line and invoke a routine */
if (cmd != NONE) {
switch (cmd) {
case ADD: zooadd (zooname, filecount, &argv[3], "ahP:"); break;
case FRESHEN: zooadd (zooname, filecount, &argv[3], "auhP:"); break;
case UPDATE: zooadd (zooname, filecount, &argv[3], "auhnP:"); break;
case MOVE: zooadd (zooname, filecount, &argv[3], "aMhP:"); break;
case EXTRACT: zooext (zooname, "x"); break;
case TEST: zooext (zooname, "xNd"); break;
case PRINT: zooext (zooname, "xp"); break;
case DELETE: zoodel (zooname, "DP",1); break;
case LIST: zoolist (&argv[2], "VC", argc-2); break;
case COMMENT: comment (zooname, "c"); break;
default: goto show_usage;
}
} else
switch (*option) {
case 'a':
case 'u':
case 'T':
zooadd (zooname, filecount, &argv[3], option); break;
#ifdef FILTER
case 'f':
zoofilt (option); break;
#endif /* FILTER */
case 'D':
zoodel (zooname, option, 1); break;
case 'U':
zoodel (zooname, option, 0); break;
case 'g':
zoodel (zooname, option, 2); break;
case 'v':
case 'V':
case 'l':
zoolist(&argv[2], option, 1); break;
case 'L':
zoolist(&argv[2], option, argc-2); break;
case 'e':
case 'x':
zooext(zooname, option); break;
case 'P':
zoopack (zooname