Category : C Source Code
Archive   : ZOO210S.ZIP
Filename : ZOOLIST.C

#ifndef LINT
/* derived from: zoolist.c 2.27 88/08/15 11:03:16 */
static char sccsid[]="$Source: /usr/home/dhesi/zoo/RCS/zoolist.c,v $\n\
$Id: zoolist.c,v 1.4 91/07/09 01:54:16 dhesi Exp $";
#endif /* LINT */

/*
If TRACE_LIST is defined, any list command may be followed
by 'D' to show verbose information about each directory
entry in the archive. Do not define both TRACE_LIST and
TRACE_IO else a symbol conflict will occur and in any case
duplicate information will be dumped.
*/

/* #define TRACE_LIST */

/*
Copyright (C) 1986, 1987 Rahul Dhesi -- All rights reserved
(C) Copyright 1988 Rahul Dhesi -- All rights reserved
*/
#include "options.h"
#include "portable.h"
#include "zoomem.h" /* to get ZOOCOUNT */

/* Lists files in archive */
#include "zoo.h"
#include "errors.i"
#include "zooio.h"
#include "various.h"
#include "zoofns.h"

#ifdef TRACE_LIST
void show_dir PARMS ((struct direntry *direntry));
static int trace_list = 0;
#endif /* TRACE_LIST */

static char tot_fmt[] = "%8lu %3u%% %8lu %4d file";
static char tot_line[] =
/* "------------ -------- --- -------- --------- --------\n"; */
"-------- --- -------- --------- --------\n";

static char dbl_percent[] = "Archive %s: %s";

extern int quiet; /* assumed initialized to zero */

void show_comment PARMS((struct direntry *, ZOOFILE, int, char *));
int ver_too_high PARMS((struct zoo_header *));
int needed PARMS((char *, struct direntry *, struct zoo_header *));
void printtz PARMS((int));

void zoolist (argv, option, argc)
char **argv, *option;
int argc;
{
char whichname[PATHSIZE]; /* which name to use */
char *this_zoo; /* currently matched archive name */
register ZOOFILE zoo_file;
char *flist[ZOOCOUNT]; /* list of ptrs to input archive names */
int fptr; /* will point to within list of archive names */

struct direntry direntry;
struct zoo_header zoo_header;
int size_factor;
unsigned long tot_org_siz = 0L, tot_siz_now = 0L;
int tot_sf;
int file_count = 0;
int del_count = 0; /* number of deleted entries */
int bad_pack; /* 1 if packing method is unknown */
static char *month_list="000JanFebMarAprMayJunJulAugSepOctNovDec";
static char dashes[] = "------------\n";
int year, month, day, hours, min, sec;
int list_deleted = 0; /* list deleted files too */
int fast = 0; /* fast list */
long fiz_ofs = 0; /* offset where to start */
long dat_ofs = 0; /* ... data offset of file data */
int verb_list = 0; /* if verbose listing needed */
int show_name = 0; /* if archive name to be included in listing */
int show_crc = 0; /* if crc should be listed */
int zoocount = 1; /* number of archives to list */
int biglist = 0; /* multiarchive listing */
int one_col = 0; /* one column listing requested */
int showdir = 0; /* show directory name in fast listing */
int longest; /* length of longest archive name */
int talking; /* opposite of quiet */
int column = 0; /* for column printing */
int first_ever = 1; /* first time ever -- very special case */
int neednl = 0; /* whether to print a newline */
int need_acmt = 0; /* show archive comment */
int show_gen = 0; /* show generation count */
int genson = 1; /* enable/disable generations */
#ifdef FATTR
int show_mode = 0; /* show file protection */
#endif
int first_dir = 1; /* if first direntry -- to adjust dat_ofs */

while (*option) {
switch (*option) {
case 'a': show_name++; break;
#ifdef TRACE_LIST
case 'D': trace_list++; break;
#endif /* TRACE_LIST */
case 'd': list_deleted++; break;
case 'f': fast++; break;
case 'g': show_gen++; break;
case '/': showdir++; break;
case 'A':
case 'v': need_acmt++; break;
case 'V': need_acmt++; /* fall through */
case 'c': verb_list++; break;
case 'C': show_crc++; break;
case 'l': break;
case 'L': biglist++; zoocount = argc; break;
#ifdef FATTR
case 'm': show_mode++; break;
#endif
case '1': one_col++; break;
case '+': genson = 1; break;
case '-': genson = 0; break;
/* following code same as in zooext.c */
case '@': /* if @m,n specified, fiz_ofs = m, dat_ofs = n */
{
char *comma_pos;
++option;
comma_pos = strchr(option, ',');
if (comma_pos != NULL) {
dat_ofs = calc_ofs (comma_pos + 1);
*comma_pos = '\0';
}
fiz_ofs = calc_ofs(option);
goto no_more;
}
case 'q': quiet++; break;
default:
prterror ('w', option_ignored, *option);
}
option++;
}

no_more: /* come from exit from while loop above */

if (fast && show_name) { /* don't allow 'a' with 'f' */
show_name = 0;
prterror ('w', option_ignored, 'a');
}

talking = !quiet; /* for convenience */

#ifdef WILDCARD
/* For each archive name supplied, if it is not a char range and
does not contain a dot, append "*.zoo". */
{
int i;
for (i = 0; i < argc; i++) {
if (strchr (nameptr (argv[i]), EXT_CH) == NULL &&
!match_half (nameptr (argv[0]), "?-?"))
argv[i] = newcat (argv[i], "*.zoo");
}
}
#endif

makelist (zoocount, argv, flist, ZOOCOUNT-2, (char *) NULL,".","..", &longest);
/* ^argc ^argv ^list_pointer ^max_no_files ^exclude */

for (fptr = 0; (this_zoo = flist[fptr]) != NULL; fptr++) {
int ercount; /* count of errors */
int entrycount; /* count of directory entries */
int expl_deleted; /* explain what D means */
int expl_comment; /* explain what comment means */
int expl_ver; /* Explain what V means */
int expl_star; /* Explain what * means */
int first_time; /* first time through loop for an archive */

ercount = entrycount = del_count =
expl_deleted = expl_comment = expl_ver = expl_star = 0;

if (talking)
column = 0; /* if quiet, names will run together */

first_time = 1;

#ifndef WILDCARD
/* Add default extension if none supplied */
if (strchr (nameptr (this_zoo), EXT_CH) == NULL)
this_zoo = newcat (this_zoo, EXT_DFLT);
#endif

zoo_file = zooopen (this_zoo, Z_READ);

if (zoo_file == NOFILE) {
prterror ('e', could_not_open, this_zoo);
continue;
} else if (!show_name && talking)
printf ("\nArchive %s:\n", this_zoo);

if (fiz_ofs != 0L) { /* if offset specified, start there */
prterror ('m', start_ofs, fiz_ofs, dat_ofs);
zooseek (zoo_file, fiz_ofs, 0);
} else {
if (frd_zooh (&zoo_header, zoo_file) == -1 ||
zoo_header.zoo_tag != ZOO_TAG) {
prterror ('e', dbl_percent, this_zoo, invalid_header);
goto loop_end;
}
#if 0
if (talking && (!show_name || verb_list || need_acmt))
#else
if (need_acmt && talking)
#endif
{
void show_acmt PARMS ((struct zoo_header *, ZOOFILE, int));
show_acmt (&zoo_header, zoo_file, 0); /* show archive comment */
}

/* Seek to the beginning of the first directory entry */
if (zooseek (zoo_file, zoo_header.zoo_start, 0) != 0) {
ercount++;
prterror ('e', dbl_percent, this_zoo, bad_directory);
goto loop_end;
}
if (!show_name && ver_too_high (&zoo_header)) {
ercount++;
if (ercount < 2)
prterror ('M', wrong_version,
zoo_header.major_ver, zoo_header.minor_ver);
}
} /* end if (fiz_ofs !- 0L) */

/* Now we print information about each file in the archive */

if (!show_name) { /* initialize for each file only if not disk catalog */
tot_org_siz = 0L;
tot_siz_now = 0L;
file_count = 0;
del_count = 0;
}

while (1) {
if (readdir (&direntry, zoo_file, 0) == -1) {
prterror ('F', dbl_percent, this_zoo, bad_directory);
goto givesummary;
}
if (direntry.zoo_tag != ZOO_TAG) {
long currpos, zoolength;
prterror ('F', dbl_percent, this_zoo, invalid_header);
if ((currpos = zootell (zoo_file)) != -1L)
if (zooseek (zoo_file, 0L, 2) == 0)
if ((zoolength = zootell (zoo_file)) != -1L)
printf (cant_process, zoolength - currpos);
goto givesummary;
}

if (direntry.next == 0L) /* EXIT on end of chain */
break;
else
entrycount++; /* Number of directory entries */
/* first direntry read, change dat_ofs from abs. pos. to rel. offset */
if (first_dir && dat_ofs != 0) {
dat_ofs -= direntry.offset;
first_dir = 0;
}
direntry.next += dat_ofs; /* allow for user-specified offset */
if (direntry.comment != 0L)
direntry.comment += dat_ofs; /* so show_comment finds it */

if (direntry.deleted)
++del_count;

#ifdef TRACE_LIST
if (trace_list)
show_dir (&direntry);
#endif /* TRACE_LIST */

/* Into `whichname' put the filename to display. Use long filename if
it exists, else use short filename. */
strcpy (whichname, fullpath (&direntry));
if (zoo_header.vdata & VFL_ON)
add_version (whichname, &direntry); /* add version suffix */
#ifdef DEBUG
printf("matching against [%s] and [%s]\n",
nameptr(whichname), whichname);
#endif

if ( ( (list_deleted && direntry.deleted) ||
(list_deleted < 2 && !direntry.deleted)
)
&& (biglist || needed(whichname, &direntry, &zoo_header))) {
/* if generations forced off, then strip added version field */
if (!genson) { /* HORRENDOUSLY INEFFICIENT AND REPETITIOUS */
char *ver_pos;
ver_pos = findlast (whichname, VER_DISPLAY);
if (ver_pos != NULL)
*ver_pos = '\0';
}

file_count++;

if (direntry.packing_method > MAX_PACK) {

bad_pack = 1;
expl_ver = 1;
} else
bad_pack = 0;

size_factor = cfactor (direntry.org_size, direntry.size_now);

year = ((unsigned int) direntry.date >> 9) & 0x7f;
month = ((unsigned int) direntry.date >> 5) & 0x0f;
day = direntry.date & 0x1f;

hours = ((unsigned int) direntry.time >> 11)& 0x1f;
min = ((unsigned int) direntry.time >> 5) & 0x3f;
sec = ((unsigned int) direntry.time & 0x1f) * 2;

/* Alignment in columns is a horrendously complex undertaking. */

if (fast) {
int space_left;
int namelen;
int next_col;
#if 0
if ( (quiet && !first_ever || !first_time) && one_col)
fputchar ('\n');
first_ever = 0;
#endif
/* If we are showing directories, whichname already contains the
full pathname string. Else we only use the filename as follows:
long filename if possible, else short filename */
if (!showdir) {
strcpy (whichname,
(direntry.namlen != 0) ? direntry.lfname : direntry.fname);
if (genson && zoo_header.vdata & VFL_ON)
add_version (whichname, &direntry); /* add version suffix */
}
namelen = strlen (whichname);

#define MARGIN 78
#define COL_WIDTH 16
#if 1
/* if not enough space left, move to next line */
if (!one_col && column != 0) {
space_left = MARGIN - column;
if (namelen > space_left) {
neednl = 1;
column = 0;
}
}
#endif
if ( (quiet && !first_ever || !first_time) && (neednl || one_col))
printf ("\n");
first_ever = 0;
neednl = 0;

printf("%s", whichname);
fflush (stdout);
/* move to next column stop */
column += namelen;
next_col = ((column + (COL_WIDTH - 1)) / COL_WIDTH) * COL_WIDTH;
if (next_col - column < 2) /* need at least 2 spaces */
next_col += COL_WIDTH;
if (next_col > MARGIN) {
neednl = 1;
column = 0;
} else {
if (!one_col)
printf ("%*s", (next_col - column), " ");
column = next_col;
}

} else {
if (talking && first_time && !show_name) {/*print archive header */
printf ("Length CF Size Now Date Time\n");
printf (tot_line);
}
printf ("%8lu %3u%% %8lu %2d %-.3s %02d %02d:%02d:%02d",
direntry.org_size,
size_factor, direntry.size_now,
day, &month_list[month*3],
(day && month) ? (year+80) % 100 : 0,
hours, min, sec);
tot_org_siz += direntry.org_size;
tot_siz_now += direntry.size_now;
#ifdef GETTZ
printtz ((int) direntry.tz); /* show timezone */
#else
printf (" ");
#endif

if (show_crc)
printf ("%04x ", direntry.file_crc);
if (show_gen) {
if (direntry.vflag & VFL_ON)
printf ("%2dg ", direntry.vflag & VFL_GEN);
else
printf ("--g ");
}

if (direntry.cmt_size) {
expl_comment++;
printf ("C");
} else
printf (" ");

if (direntry.deleted) {
expl_deleted++;
printf ("D");
} else
printf (" ");
if (list_deleted)
printf (" ");
if (show_name)
printf ("%-*s ", longest, this_zoo);

#ifdef FATTR
if (show_mode) {
if (direntry.fattr == 0)
printf ("--- ");
else if ((direntry.fattr >> 22) == 1)
printf ("%03o ", direntry.fattr & 0x1ff);
else
printf ("??? ");
}
#endif /* FATTR */

/* new code to get around a common compiler bug */
printf ("%s", whichname);
if (direntry.dir_crc != 0) {
expl_star++;
printf ("*");
}

if (bad_pack)
printf (" (V%d.%d)", direntry.major_ver, direntry.minor_ver);
printf ("\n");
}
first_time = 0;

/* if verbose listing requested show any comment. f overrrides v */
if (verb_list && !fast)
show_comment (&direntry, zoo_file, 0, (char *) NULL);
} /* end if (lots of conditions) */

/* ..seek to next dir entry */
zooseek (zoo_file, direntry.next, 0);
} /* end while */

givesummary:

if (fast && talking) {
if (file_count) {
if (del_count || (show_gen && zoo_header.type > 0))
printf ("\n-----\n");
else
fputchar ('\n');
}
if (del_count)
printf ("%d deleted.\n", del_count);
if (show_gen && zoo_header.type > 0) {
printf ("Generation limit %u",
zoo_header.vdata & VFL_GEN);
if ((zoo_header.vdata & VFL_ON) == 0)
printf (" (off).\n");
else
printf (".\n");
}
} /* end if (fast && talking) */

if (talking && !show_name) {
if (!fast && file_count) {
tot_sf = cfactor (tot_org_siz, tot_siz_now);
printf (tot_line);

printf (tot_fmt, tot_org_siz, tot_sf, tot_siz_now, file_count);
if (file_count > 1)
printf ("s\n");
else
printf ("\n");

if (del_count || expl_ver || expl_deleted || expl_comment ||
expl_star || (show_gen && (zoo_header.type > 0)))
printf (dashes);
}

if (!fast) {
if (del_count) {
if (expl_deleted)
printf ("D: deleted file.\n");
else {
if (del_count == 1)
printf ("There is 1 deleted file.\n");
else
printf ("There are %d deleted files.\n", del_count);
}
}
}
if (expl_comment && !fast && !verb_list)
printf ("C: file has attached comment.\n");
if (expl_ver && !fast)
printf ("V: minimum version of Zoo needed to extract this file.\n");
if (expl_star && !fast)
printf ("*: directory entry may be corrupted.\n");
if (!file_count)
printf ("Zoo: %s", no_match);

if (!entrycount && !fiz_ofs)
printf ("(The archive is empty.)\n");
if (show_gen && (zoo_header.type > 0) && !fast) {
printf ("Archive generation limit is %u",
zoo_header.vdata & VFL_GEN);
if ((zoo_header.vdata & VFL_ON) == 0)
printf (" (generations off).\n");
else
printf (".\n");
}
} /* end if (talking && !show_name) */
loop_end: /* jump here on badly structured archive */
zooclose (zoo_file);
} /* end for */

if (talking && show_name) {
if (file_count) {
tot_sf = cfactor (tot_org_siz, tot_siz_now);
printf (tot_line);
printf (tot_fmt, tot_org_siz, tot_sf, tot_siz_now, file_count);
if (file_count > 1)
printf ("s\n");
else
printf ("\n");
}
} else if (fast && quiet)
fputchar ('\n');


if (!file_count)
zooexit (1); /* Consider it an error if there were no files */
} /* zoolist() */

#ifdef GETTZ
void printtz (file_tz)
int file_tz;
{
long gettz();
int diff_tz; /* timezone difference */
if (file_tz == NO_TZ) /* if no timezone stored ..*/
printf (" "); /* .. just pad with blanks */
else {
diff_tz = (file_tz / 4) - (int) (gettz() / 3600);
if (diff_tz == 0)
printf (" "); /* print nothing if same */
else if (diff_tz > 0) /* else print signed difference */
printf ("+%1d ", diff_tz);
else
printf ("-%1d ", -diff_tz);
}
}
#endif

/*
FOLLOWING CODE IS FOR DEBUGGING ONLY. IT IS COMPILED IN ONLY
IF THE SYMBOL TRACE_LIST IS DEFINED
*/

#ifdef TRACE_LIST
/* code copied from portable.c near end */
/* dump contents of directory entry */
void show_dir (direntry)
struct direntry *direntry;
{
printf ("Directory entry for file [%s][%s]:\n",
direntry->fname, direntry->lfname);
printf ("tag = [%8lx] type = [%d] PM = [%d] Next = [%8lx] Offset = [%8lx]\n",
direntry->zoo_tag, (int) direntry->type,
(int) direntry->packing_method, direntry->next,
direntry->offset);
printf ("Orig size = [%ld] Size now = [%ld] dmaj_v.dmin_v = [%d.%d]\n",
direntry->org_size, direntry->size_now,
(int) direntry->major_ver, (int) direntry->minor_ver);
printf ("Struc = [%d] DEL = [%d] comment_offset = [%8lx] cmt_size = [%d]\n",
(int) direntry->struc, (int) direntry->deleted, direntry->comment,
direntry->cmt_size);
printf ("var_dir_len = [%d] TZ = [%d] dir_crc = [%4x]\n",
direntry->var_dir_len, (int) direntry->tz, direntry->dir_crc);
printf ("system_id = [%d] dirlen = [%d] namlen = [%d] fattr=[%24lx]\n",
direntry->system_id, direntry->dirlen, direntry->namlen, direntry->fattr);
printf ("vflag = [%4x] version_no = [%4x]\n",
direntry->vflag, direntry->version_no);
if (direntry->dirlen > 0)
printf ("dirname = [%s]\n", direntry->dirname);
printf ("---------\n");
}
#endif /* TRACE_IO */