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fileio.c
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/*
fileio.c - Zip 3
Copyright (c) 1990-2008 Info-ZIP. All rights reserved.
See the accompanying file LICENSE, version 2007-Mar-4 or later
(the contents of which are also included in zip.h) for terms of use.
If, for some reason, all these files are missing, the Info-ZIP license
also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html
*/
/*
* fileio.c by Mark Adler
*/
#define __FILEIO_C
#include "zip.h"
#include "crc32.h"
#ifdef MACOS
# include "helpers.h"
#endif
#ifdef VMS
# include "vms/vms.h"
#endif /* def VMS */
#include <time.h>
#ifdef NO_MKTIME
time_t mktime OF((struct tm *));
#endif
#ifdef OSF
#define EXDEV 18 /* avoid a bug in the DEC OSF/1 header files. */
#else
#include <errno.h>
#endif
#ifdef NO_ERRNO
extern int errno;
#endif
/* -----------------------
For long option support
----------------------- */
#include <ctype.h>
#if defined(VMS) || defined(TOPS20)
# define PAD 5
#else
# define PAD 0
#endif
#ifdef NO_RENAME
int rename OF((ZCONST char *, ZCONST char *));
#endif
/* Local functions */
local int optionerr OF((char *, ZCONST char *, int, int));
local unsigned long get_shortopt OF((char **, int, int *, int *, char **, int *, int));
local unsigned long get_longopt OF((char **, int, int *, int *, char **, int *, int));
#ifdef UNICODE_SUPPORT
local int utf8_char_bytes OF((ZCONST char *utf8));
local long ucs4_char_from_utf8 OF((ZCONST char **utf8 ));
local int utf8_from_ucs4_char OF((char *utf8buf, ulg ch));
local int utf8_to_ucs4_string OF((ZCONST char *utf8, ulg *usc4buf,
int buflen));
local int ucs4_string_to_utf8 OF((ZCONST ulg *ucs4, char *utf8buf,
int buflen));
#if 0
local int utf8_chars OF((ZCONST char *utf8));
#endif
#endif /* UNICODE_SUPPORT */
#ifndef UTIL /* the companion #endif is a bit of ways down ... */
local int fqcmp OF((ZCONST zvoid *, ZCONST zvoid *));
local int fqcmpz OF((ZCONST zvoid *, ZCONST zvoid *));
/* Local module level variables. */
char *label = NULL; /* global, but only used in `system'.c */
local z_stat zipstatb; /* now use z_stat globally - 7/24/04 EG */
#if defined(UNICODE_SUPPORT) && defined(WIN32)
local zw_stat zipstatbw;
#endif
#if (!defined(MACOS) && !defined(WINDLL))
local int zipstate = -1;
#else
int zipstate;
#endif
/* -1 unknown, 0 old zip file exists, 1 new zip file */
#if 0
char *getnam(n, fp)
char *n; /* where to put name (must have >=FNMAX+1 bytes) */
#endif
/* converted to return string pointer from malloc to avoid
size limitation - 11/8/04 EG */
#define GETNAM_MAX 9000 /* hopefully big enough for now */
char *getnam(fp)
FILE *fp;
/* Read a \n or \r delimited name from stdin into n, and return
n. If EOF, then return NULL. Also, if problem return NULL. */
{
char name[GETNAM_MAX + 1];
int c; /* last character read */
char *p; /* pointer into name area */
p = name;
while ((c = getc(fp)) == '\n' || c == '\r')
;
if (c == EOF)
return NULL;
do {
if (p - name >= GETNAM_MAX)
return NULL;
*p++ = (char) c;
c = getc(fp);
} while (c != EOF && (c != '\n' && c != '\r'));
#ifdef WIN32
/*
* WIN32 strips off trailing spaces and periods in filenames
* XXX what about a filename that only consists of spaces ?
* Answer: on WIN32, a filename must contain at least one non-space char
*/
while (p > name) {
if ((c = p[-1]) != ' ' && c != '.')
break;
--p;
}
#endif
*p = 0;
/* malloc a copy */
if ((p = malloc(strlen(name) + 1)) == NULL) {
return NULL;
}
strcpy(p, name);
return p;
}
struct flist far *fexpel(f)
struct flist far *f; /* entry to delete */
/* Delete the entry *f in the doubly-linked found list. Return pointer to
next entry to allow stepping through list. */
{
struct flist far *t; /* temporary variable */
t = f->nxt;
*(f->lst) = t; /* point last to next, */
if (t != NULL)
t->lst = f->lst; /* and next to last */
if (f->name != NULL) /* free memory used */
free((zvoid *)(f->name));
if (f->zname != NULL)
free((zvoid *)(f->zname));
if (f->iname != NULL)
free((zvoid *)(f->iname));
#ifdef UNICODE_SUPPORT
if (f->uname)
free((zvoid *)f->uname);
# ifdef WIN32
if (f->namew)
free((zvoid *)f->namew);
if (f->inamew)
free((zvoid *)f->inamew);
if (f->znamew)
free((zvoid *)f->znamew);
# endif
#endif
farfree((zvoid far *)f);
fcount--; /* decrement count */
return t; /* return pointer to next */
}
local int fqcmp(a, b)
ZCONST zvoid *a, *b; /* pointers to pointers to found entries */
/* Used by qsort() to compare entries in the found list by name. */
{
return strcmp((*(struct flist far **)a)->name,
(*(struct flist far **)b)->name);
}
local int fqcmpz(a, b)
ZCONST zvoid *a, *b; /* pointers to pointers to found entries */
/* Used by qsort() to compare entries in the found list by iname. */
{
return strcmp((*(struct flist far **)a)->iname,
(*(struct flist far **)b)->iname);
}
char *last(p, c)
char *p; /* sequence of path components */
int c; /* path components separator character */
/* Return a pointer to the start of the last path component. For a directory
* name terminated by the character in c, the return value is an empty string.
*/
{
char *t; /* temporary variable */
if ((t = strrchr(p, c)) != NULL)
return t + 1;
else
#ifndef AOS_VS
return p;
#else
/* We want to allow finding of end of path in either AOS/VS-style pathnames
* or Unix-style pathnames. This presents a few little problems ...
*/
{
if (*p == '=' || *p == '^') /* like ./ and ../ respectively */
return p + 1;
else
return p;
}
#endif
}
#if defined(UNICODE_SUPPORT) && defined(WIN32)
wchar_t *lastw(pw, c)
wchar_t *pw; /* sequence of path components */
wchar_t c; /* path components separator character */
/* Return a pointer to the start of the last path component. For a directory
* name terminated by the character in c, the return value is an empty string.
*/
{
wchar_t *tw; /* temporary variable */
if ((tw = wcsrchr(pw, c)) != NULL)
return tw + 1;
else
# ifndef AOS_VS
return pw;
# else
/* We want to allow finding of end of path in either AOS/VS-style pathnames
* or Unix-style pathnames. This presents a few little problems ...
*/
{
if (*pw == (wchar_t)'=' || *pw == (wchar_t)'^') /* like ./ and ../ respectively */
return pw + 1;
else
return pw;
}
# endif
}
#endif
char *msname(n)
char *n;
/* Reduce all path components to MSDOS upper case 8.3 style names. */
{
int c; /* current character */
int f; /* characters in current component */
char *p; /* source pointer */
char *q; /* destination pointer */
p = q = n;
f = 0;
while ((c = (unsigned char)*POSTINCSTR(p)) != 0)
if (c == ' ' || c == ':' || c == '"' || c == '*' || c == '+' ||
c == ',' || c == ';' || c == '<' || c == '=' || c == '>' ||
c == '?' || c == '[' || c == ']' || c == '|')
continue; /* char is discarded */
else if (c == '/')
{
*POSTINCSTR(q) = (char)c;
f = 0; /* new component */
}
#ifdef __human68k__
else if (ismbblead(c) && *p)
{
if (f == 7 || f == 11)
f++;
else if (*p && f < 12 && f != 8)
{
*q++ = c;
*q++ = *p++;
f += 2;
}
}
#endif /* __human68k__ */
else if (c == '.')
{
if (f == 0)
continue; /* leading dots are discarded */
else if (f < 9)
{
*POSTINCSTR(q) = (char)c;
f = 9; /* now in file type */
}
else
f = 12; /* now just excess characters */
}
else
if (f < 12 && f != 8)
{
f += CLEN(p); /* do until end of name or type */
*POSTINCSTR(q) = (char)(to_up(c));
}
*q = 0;
return n;
}
#ifdef UNICODE_SUPPORT
wchar_t *msnamew(nw)
wchar_t *nw;
/* Reduce all path components to MSDOS upper case 8.3 style names. */
{
wchar_t c; /* current character */
int f; /* characters in current component */
wchar_t *pw; /* source pointer */
wchar_t *qw; /* destination pointer */
pw = qw = nw;
f = 0;
while ((c = (unsigned char)*pw++) != 0)
if (c == ' ' || c == ':' || c == '"' || c == '*' || c == '+' ||
c == ',' || c == ';' || c == '<' || c == '=' || c == '>' ||
c == '?' || c == '[' || c == ']' || c == '|')
continue; /* char is discarded */
else if (c == '/')
{
*qw++ = c;
f = 0; /* new component */
}
#ifdef __human68k__
else if (ismbblead(c) && *pw)
{
if (f == 7 || f == 11)
f++;
else if (*pw && f < 12 && f != 8)
{
*qw++ = c;
*qw++ = *pw++;
f += 2;
}
}
#endif /* __human68k__ */
else if (c == '.')
{
if (f == 0)
continue; /* leading dots are discarded */
else if (f < 9)
{
*qw++ = c;
f = 9; /* now in file type */
}
else
f = 12; /* now just excess characters */
}
else
if (f < 12 && f != 8)
{
f++; /* do until end of name or type */
*qw++ = towupper(c);
}
*qw = 0;
return nw;
}
#endif
int proc_archive_name(n, caseflag)
char *n; /* name to process */
int caseflag; /* true to force case-sensitive match */
/* Process a name or sh expression in existing archive to operate
on (or exclude). Return an error code in the ZE_ class. */
{
int m; /* matched flag */
char *p; /* path for recursion */
struct zlist far *z; /* steps through zfiles list */
if (strcmp(n, "-") == 0) { /* if compressing stdin */
zipwarn("Cannot select stdin when selecting archive entries", "");
return ZE_MISS;
}
else
{
/* Search for shell expression in zip file */
p = ex2in(n, 0, (int *)NULL); /* shouldn't affect matching chars */
m = 1;
for (z = zfiles; z != NULL; z = z->nxt) {
if (MATCH(p, z->iname, caseflag))
{
z->mark = pcount ? filter(z->zname, caseflag) : 1;
if (verbose)
fprintf(mesg, "zip diagnostic: %scluding %s\n",
z->mark ? "in" : "ex", z->oname);
m = 0;
}
}
#ifdef UNICODE_SUPPORT
/* also check escaped Unicode names */
for (z = zfiles; z != NULL; z = z->nxt) {
if (z->zuname) {
#ifdef WIN32
/* It seems something is lost in going from a listed
name from zip -su in a console window to using that
name in a command line. This kluge may fix it
and just takes zuname, converts to oem (i.e. ouname),
then converts it back which ends up not the same as
started with.
*/
char *zuname = z->wuname;
#else
char *zuname = z->zuname;
#endif
if (MATCH(p, zuname, caseflag))
{
z->mark = pcount ? filter(zuname, caseflag) : 1;
if (verbose) {
fprintf(mesg, "zip diagnostic: %scluding %s\n",
z->mark ? "in" : "ex", z->oname);
fprintf(mesg, " Escaped Unicode: %s\n",
z->ouname);
}
m = 0;
}
}
}
#endif
free((zvoid *)p);
return m ? ZE_MISS : ZE_OK;
}
}
int check_dup()
/* Sort the found list and remove duplicates.
Return an error code in the ZE_ class. */
{
struct flist far *f; /* steps through found linked list */
extent j, k; /* indices for s */
struct flist far **s; /* sorted table */
struct flist far **nodup; /* sorted table without duplicates */
/* sort found list, remove duplicates */
if (fcount)
{
extent fl_size = fcount * sizeof(struct flist far *);
if ((fl_size / sizeof(struct flist far *)) != fcount ||
(s = (struct flist far **)malloc(fl_size)) == NULL)
return ZE_MEM;
for (j = 0, f = found; f != NULL; f = f->nxt)
s[j++] = f;
/* Check names as given (f->name) */
qsort((char *)s, fcount, sizeof(struct flist far *), fqcmp);
for (k = j = fcount - 1; j > 0; j--)
if (strcmp(s[j - 1]->name, s[j]->name) == 0)
/* remove duplicate entry from list */
fexpel(s[j]); /* fexpel() changes fcount */
else
/* copy valid entry into destination position */
s[k--] = s[j];
s[k] = s[0]; /* First entry is always valid */
nodup = &s[k]; /* Valid entries are at end of array s */
/* sort only valid items and check for unique internal names (f->iname) */
qsort((char *)nodup, fcount, sizeof(struct flist far *), fqcmpz);
for (j = 1; j < fcount; j++)
if (strcmp(nodup[j - 1]->iname, nodup[j]->iname) == 0)
{
char tempbuf[FNMAX+4081];
sprintf(errbuf, " first full name: %s\n", nodup[j - 1]->name);
sprintf(tempbuf, " second full name: %s\n", nodup[j]->name);
strcat(errbuf, " ");
strcat(errbuf, tempbuf);
#ifdef EBCDIC
strtoebc(nodup[j]->iname, nodup[j]->iname);
#endif
sprintf(tempbuf, "name in zip file repeated: %s", nodup[j]->iname);
strcat(errbuf, " ");
strcat(errbuf, tempbuf);
if (pathput == 0) {
strcat(errbuf, "\n this may be a result of using -j");
}
#ifdef EBCDIC
strtoasc(nodup[j]->iname, nodup[j]->iname);
#endif
zipwarn(errbuf, "");
return ZE_PARMS;
}
free((zvoid *)s);
}
return ZE_OK;
}
int filter(name, casesensitive)
char *name;
int casesensitive;
/* Scan the -R, -i and -x lists for matches to the given name.
Return TRUE if the name must be included, FALSE otherwise.
Give precedence to -x over -i and -R.
Note that if both R and i patterns are given then must
have a match for both.
This routine relies on the following global variables:
patterns array of match pattern structures
pcount total number of patterns
icount number of -i patterns
Rcount number of -R patterns
These data are set up by the command line parsing code.
*/
{
unsigned int n;
int slashes;
char *p, *q;
/* without -i patterns, every name matches the "-i select rules" */
int imatch = (icount == 0);
/* without -R patterns, every name matches the "-R select rules" */
int Rmatch = (Rcount == 0);
if (pcount == 0) return TRUE;
for (n = 0; n < pcount; n++) {
if (!patterns[n].zname[0]) /* it can happen... */
continue;
p = name;
switch (patterns[n].select) {
case 'R':
if (Rmatch)
/* one -R match is sufficient, skip this pattern */
continue;
/* With -R patterns, if the pattern has N path components (that is,
N-1 slashes), then we test only the last N components of name.
*/
slashes = 0;
for (q = patterns[n].zname; (q = MBSCHR(q, '/')) != NULL; MB_NEXTCHAR(q))
slashes++;
/* The name may have M path components (M-1 slashes) */
for (q = p; (q = MBSCHR(q, '/')) != NULL; MB_NEXTCHAR(q))
slashes--;
/* Now, "slashes" contains the difference "N-M" between the number
of path components in the pattern (N) and in the name (M).
*/
if (slashes < 0)
/* We found "M > N"
--> skip the first (M-N) path components of the name.
*/
for (q = p; (q = MBSCHR(q, '/')) != NULL; MB_NEXTCHAR(q))
if (++slashes == 0) {
p = q + 1; /* q points at '/', mblen("/") is 1 */
break;
}
break;
case 'i':
if (imatch)
/* one -i match is sufficient, skip this pattern */
continue;
break;
}
if (MATCH(patterns[n].zname, p, casesensitive)) {
switch (patterns[n].select) {
case 'x':
/* The -x match takes precedence over everything else */
return FALSE;
case 'R':
Rmatch = TRUE;
break;
default:
/* this must be a type -i match */
imatch = TRUE;
break;
}
}
}
return imatch && Rmatch;
}
#ifdef UNICODE_SUPPORT
# ifdef WIN32
int newnamew(namew, isdir, casesensitive)
wchar_t *namew; /* name to add (or exclude) */
int isdir; /* true for a directory */
int casesensitive; /* true for case-sensitive matching */
/* Add (or exclude) the name of an existing disk file. Return an error
code in the ZE_ class. */
{
wchar_t *inamew = NULL; /* internal name */
wchar_t *znamew = NULL; /* external version of iname */
wchar_t *undosmw = NULL; /* zname version with "-j" and "-k" options disabled */
char *oname = NULL; /* iname converted for display */
char *name = NULL;
char *iname = NULL;
char *zname = NULL;
char *zuname = NULL;
char *undosm = NULL;
struct flist far *f; /* where in found, or new found entry */
struct zlist far *z; /* where in zfiles (if found) */
int dosflag;
/* Scanning files ...
*
* After 5 seconds output Scanning files...
* then a dot every 2 seconds
*/
if (noisy) {
/* If find files then output message after delay */
if (scan_count == 0) {
time_t current = time(NULL);
scan_start = current;
}
scan_count++;
if (scan_count % 100 == 0) {
time_t current = time(NULL);
if (current - scan_start > scan_delay) {
if (scan_last == 0) {
zipmessage_nl("Scanning files ", 0);
scan_last = current;
}
if (current - scan_last > scan_dot_time) {
scan_last = current;
fprintf(mesg, ".");
fflush(mesg);
}
}
}
}
/* Search for name in zip file. If there, mark it, else add to
list of new names to do (or remove from that list). */
if ((inamew = ex2inw(namew, isdir, &dosflag)) == NULL)
return ZE_MEM;
/* Discard directory names with zip -rj */
if (*inamew == (wchar_t)'\0') {
/* If extensions needs to be swapped, we will have empty directory names
instead of the original directory. For example, zipping 'c.', 'c.main'
should zip only 'main.c' while 'c.' will be converted to '\0' by ex2in. */
if (pathput && !recurse) error("empty name without -j or -r");
free((zvoid *)inamew);
return ZE_OK;
}
if (dosflag || !pathput) {
int save_dosify = dosify, save_pathput = pathput;
dosify = 0;
pathput = 1;
/* zname is temporarly mis-used as "undosmode" iname pointer */
if ((znamew = ex2inw(namew, isdir, NULL)) != NULL) {
undosmw = in2exw(znamew);
free(znamew);
}
dosify = save_dosify;
pathput = save_pathput;
}
if ((znamew = in2exw(inamew)) == NULL)
return ZE_MEM;
/* Convert names from wchar_t to char */
name = wchar_to_local_string(namew);
iname = wchar_to_local_string(inamew);
zname = wchar_to_local_string(znamew);
oname = local_to_display_string(zname);
zuname = wchar_to_local_string(znamew);
if (undosmw == NULL)
undosmw = znamew;
undosm = wchar_to_local_string(undosmw);
if ((z = zsearch(zuname)) != NULL) {
if (pcount && !filter(undosm, casesensitive)) {
/* Do not clear z->mark if "exclude", because, when "dosify || !pathput"
* is in effect, two files with different filter options may hit the
* same z entry.
*/
if (verbose)
fprintf(mesg, "excluding %s\n", oname);
} else {
z->mark = 1;
if ((z->name = malloc(strlen(name) + 1 + PAD)) == NULL) {
if (undosmw != znamew)
free(undosmw);
if (undosm) free(undosm);
if (inamew) free(inamew);
if (znamew) free(znamew);
if (name) free(name);
if (iname) free(iname);
if (zname) free(zname);
if (oname) free(oname);
if (zuname) free(zuname);
return ZE_MEM;
}
strcpy(z->name, name);
z->oname = oname;
oname = NULL;
z->dosflag = dosflag;
#ifdef FORCE_NEWNAME
free((zvoid *)(z->iname));
z->iname = iname;
iname = NULL;
#else
/* Better keep the old name. Useful when updating on MSDOS a zip file
* made on Unix.
*/
#endif /* ? FORCE_NEWNAME */
}
if ((z->namew = (wchar_t *)malloc((wcslen(namew) + 1) * sizeof(wchar_t))) == NULL) {
if (undosmw != znamew)
free(undosmw);
if (undosm) free(undosm);
if (inamew) free(inamew);
if (znamew) free(znamew);
if (name) free(name);
if (iname) free(iname);
if (zname) free(zname);
if (oname) free(oname);
if (zuname) free(zuname);
return ZE_MEM;
}
wcscpy(z->namew, namew);
z->inamew = inamew;
inamew = NULL;
z->znamew = znamew;
znamew = NULL;
z->uname = wchar_to_utf8_string(z->inamew);
if (name == label) {
label = z->name;
}
} else if (pcount == 0 || filter(undosm, casesensitive)) {
/* Check that we are not adding the zip file to itself. This
* catches cases like "zip -m foo ../dir/foo.zip".
*/
/* Version of stat() for CMS/MVS isn't complete enough to see if */
/* files match. Just let ZIP.C compare the filenames. That's good */
/* enough for CMS anyway since there aren't paths to worry about. */
zw_stat statbw; /* need for wide stat */
wchar_t *zipfilew = local_to_wchar_string(zipfile);
if (zipstate == -1)
zipstate = strcmp(zipfile, "-") != 0 &&
zwstat(zipfilew, &zipstatbw) == 0;
free(zipfilew);
if (zipstate == 1 && (statbw = zipstatbw, zwstat(namew, &statbw) == 0
&& zipstatbw.st_mode == statbw.st_mode
&& zipstatbw.st_ino == statbw.st_ino
&& zipstatbw.st_dev == statbw.st_dev
&& zipstatbw.st_uid == statbw.st_uid
&& zipstatbw.st_gid == statbw.st_gid
&& zipstatbw.st_size == statbw.st_size
&& zipstatbw.st_mtime == statbw.st_mtime
&& zipstatbw.st_ctime == statbw.st_ctime)) {
/* Don't compare a_time since we are reading the file */
if (verbose)
fprintf(mesg, "file matches zip file -- skipping\n");
if (undosmw != znamew)
free(undosmw);
if (undosm) free(undosm);
if (inamew) free(inamew);
if (znamew) free(znamew);
if (name) free(name);
if (iname) free(iname);
if (zname) free(zname);
if (oname) free(oname);
if (zuname) free(zuname);
return ZE_OK;
}
/* allocate space and add to list */
if ((f = (struct flist far *)farmalloc(sizeof(struct flist))) == NULL ||
fcount + 1 < fcount ||
(f->name = malloc(strlen(name) + 1 + PAD)) == NULL)
{
if (f != NULL)
farfree((zvoid far *)f);
if (undosmw != znamew)
free(undosmw);
if (undosm) free(undosm);
if (inamew) free(inamew);
if (znamew) free(znamew);
if (name) free(name);
if (iname) free(iname);
if (zname) free(zname);
if (oname) free(oname);
if (zuname) free(zuname);
return ZE_MEM;
}
if (undosmw != znamew)
free((zvoid *)undosmw);
strcpy(f->name, name);
f->iname = iname;
iname = NULL;
f->zname = zname;
zname = NULL;
/* Unicode */
if ((f->namew = (wchar_t *)malloc((wcslen(namew) + 1) * sizeof(wchar_t))) == NULL) {
if (f != NULL)
farfree((zvoid far *)f);
if (undosmw != znamew)
free(undosmw);
if (undosm) free(undosm);
if (inamew) free(inamew);
if (znamew) free(znamew);
if (name) free(name);
if (iname) free(iname);
if (zname) free(zname);
if (oname) free(oname);
if (zuname) free(zuname);
return ZE_MEM;
}
wcscpy(f->namew, namew);
f->znamew = znamew;
znamew = NULL;
f->uname = wchar_to_utf8_string(inamew);
f->inamew = inamew;
inamew = NULL;
f->oname = oname;
oname = NULL;
f->dosflag = dosflag;
*fnxt = f;
f->lst = fnxt;
f->nxt = NULL;
fnxt = &f->nxt;
fcount++;
if (name == label) {
label = f->name;
}
}
if (undosm) free(undosm);
if (inamew) free(inamew);
if (znamew) free(znamew);
if (name) free(name);
if (iname) free(iname);
if (zname) free(zname);
if (oname) free(oname);
if (zuname) free(zuname);
return ZE_OK;
}
# endif
#endif
int newname(name, isdir, casesensitive)
char *name; /* name to add (or exclude) */
int isdir; /* true for a directory */
int casesensitive; /* true for case-sensitive matching */
/* Add (or exclude) the name of an existing disk file. Return an error
code in the ZE_ class. */
{
char *iname, *zname; /* internal name, external version of iname */
char *undosm; /* zname version with "-j" and "-k" options disabled */
char *oname; /* iname converted for display */
struct flist far *f; /* where in found, or new found entry */
struct zlist far *z; /* where in zfiles (if found) */
int dosflag;
/* Scanning files ...
*
* After 5 seconds output Scanning files...
* then a dot every 2 seconds
*/
if (noisy) {
/* If find files then output message after delay */
if (scan_count == 0) {
time_t current = time(NULL);
scan_start = current;
}
scan_count++;
if (scan_count % 100 == 0) {
time_t current = time(NULL);
if (current - scan_start > scan_delay) {
if (scan_last == 0) {
zipmessage_nl("Scanning files ", 0);
scan_last = current;
}
if (current - scan_last > scan_dot_time) {
scan_last = current;
fprintf(mesg, ".");
fflush(mesg);
}
}
}
}
/* Search for name in zip file. If there, mark it, else add to
list of new names to do (or remove from that list). */
if ((iname = ex2in(name, isdir, &dosflag)) == NULL)
return ZE_MEM;
/* Discard directory names with zip -rj */
if (*iname == '\0') {
#ifndef AMIGA
/* A null string is a legitimate external directory name in AmigaDOS; also,
* a command like "zip -r zipfile FOO:" produces an empty internal name.
*/
# ifndef RISCOS
/* If extensions needs to be swapped, we will have empty directory names
instead of the original directory. For example, zipping 'c.', 'c.main'
should zip only 'main.c' while 'c.' will be converted to '\0' by ex2in. */
if (pathput && !recurse) error("empty name without -j or -r");
# endif /* !RISCOS */
#endif /* !AMIGA */
free((zvoid *)iname);
return ZE_OK;
}
undosm = NULL;
if (dosflag || !pathput) {
int save_dosify = dosify, save_pathput = pathput;
dosify = 0;
pathput = 1;
/* zname is temporarly mis-used as "undosmode" iname pointer */
if ((zname = ex2in(name, isdir, NULL)) != NULL) {
undosm = in2ex(zname);
free(zname);
}
dosify = save_dosify;
pathput = save_pathput;
}
if ((zname = in2ex(iname)) == NULL)
return ZE_MEM;
#ifdef UNICODE_SUPPORT
/* Convert name to display or OEM name */
oname = local_to_display_string(iname);
#else
if ((oname = malloc(strlen(zname) + 1)) == NULL)
return ZE_MEM;
strcpy(oname, zname);
#endif
if (undosm == NULL)
undosm = zname;
if ((z = zsearch(zname)) != NULL) {
if (pcount && !filter(undosm, casesensitive)) {
/* Do not clear z->mark if "exclude", because, when "dosify || !pathput"
* is in effect, two files with different filter options may hit the
* same z entry.
*/
if (verbose)
fprintf(mesg, "excluding %s\n", oname);
free((zvoid *)iname);
free((zvoid *)zname);
} else {
z->mark = 1;
if ((z->name = malloc(strlen(name) + 1 + PAD)) == NULL) {
if (undosm != zname)
free((zvoid *)undosm);
free((zvoid *)iname);
free((zvoid *)zname);
return ZE_MEM;
}
strcpy(z->name, name);
z->oname = oname;
z->dosflag = dosflag;
#ifdef FORCE_NEWNAME
free((zvoid *)(z->iname));
z->iname = iname;
#else
/* Better keep the old name. Useful when updating on MSDOS a zip file
* made on Unix.
*/
free((zvoid *)iname);
free((zvoid *)zname);
#endif /* ? FORCE_NEWNAME */
}
#if defined(UNICODE_SUPPORT) && defined(WIN32)
z->namew = NULL;
z->inamew = NULL;
z->znamew = NULL;
#endif
if (name == label) {
label = z->name;
}
} else if (pcount == 0 || filter(undosm, casesensitive)) {
/* Check that we are not adding the zip file to itself. This
* catches cases like "zip -m foo ../dir/foo.zip".
*/
#ifndef CMS_MVS
/* Version of stat() for CMS/MVS isn't complete enough to see if */
/* files match. Just let ZIP.C compare the filenames. That's good */
/* enough for CMS anyway since there aren't paths to worry about. */
z_stat statb; /* now use structure z_stat and function zstat globally 7/24/04 EG */
if (zipstate == -1)
zipstate = strcmp(zipfile, "-") != 0 &&
zstat(zipfile, &zipstatb) == 0;
if (zipstate == 1 && (statb = zipstatb, zstat(name, &statb) == 0
&& zipstatb.st_mode == statb.st_mode