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kolibrios/programs/fs/unzip60/flexos/flexos.c
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git-svn-id: svn://kolibrios.org@6725 a494cfbc-eb01-0410-851d-a64ba20cac60
2016-11-18 13:40:05 +00:00

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/*
Copyright (c) 1990-2007 Info-ZIP. All rights reserved.
See the accompanying file LICENSE, version 2000-Apr-09 or later
(the contents of which are also included in unzip.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
*/
/*---------------------------------------------------------------------------
flexos.c
FlexOS-specific routines for use with Info-ZIP's UnZip 5.2 and later.
Based upon the MSDOS version of this file (msdos/msdos.c)
Contains: do_wild()
mapattr()
mapname()
map2fat()
checkdir()
close_outfile()
dateformat()
version()
_wildarg()
---------------------------------------------------------------------------*/
#define UNZIP_INTERNAL
#include "unzip.h"
#include <flexif.h>
/* The following should really be a static declaration, but the compiler
complains (crappy compiler can't cope with a static forward declaration).
*/
extern void map2fat OF((char *pathcomp, char *last_dot));
static int created_dir; /* used by mapname(), checkdir() */
static int renamed_fullpath; /* ditto */
/*****************************/
/* Strings used in flexos.c */
/*****************************/
#ifndef SFX
static ZCONST char Far CantAllocateWildcard[] =
"warning: cannot allocate wildcard buffers\n";
#endif
static ZCONST char Far WarnDirTraversSkip[] =
"warning: skipped \"../\" path component(s) in %s\n";
static ZCONST char Far Creating[] = " creating: %s\n";
static ZCONST char Far ConversionFailed[] =
"mapname: conversion of %s failed\n";
static ZCONST char Far PathTooLong[] = "checkdir error: path too long: %s\n";
static ZCONST char Far CantCreateDir[] = "checkdir error: cannot create %s\n\
unable to process %s.\n";
static ZCONST char Far DirIsntDirectory[] =
"checkdir error: %s exists but is not directory\n\
unable to process %s.\n";
static ZCONST char Far PathTooLongTrunc[] =
"checkdir warning: path too long; truncating\n %s\n\
-> %s\n";
#if (!defined(SFX) || defined(SFX_EXDIR))
static ZCONST char Far CantCreateExtractDir[] =
"checkdir: cannot create extraction directory: %s\n";
#endif
#include <dirent.h>
#ifndef SFX
/************************/
/* Function do_wild() */ /* identical to OS/2 version */
/************************/
char *do_wild(__G__ wildspec)
__GDEF
ZCONST char *wildspec; /* only used first time on a given dir */
{
static DIR *wild_dir = (DIR *)NULL;
static ZCONST char *wildname;
static char *dirname, matchname[FILNAMSIZ];
static int notfirstcall=FALSE, have_dirname, dirnamelen;
char *fnamestart;
struct dirent *file;
/* Even when we're just returning wildspec, we *always* do so in
* matchname[]--calling routine is allowed to append four characters
* to the returned string, and wildspec may be a pointer to argv[].
*/
if (!notfirstcall) { /* first call: must initialize everything */
notfirstcall = TRUE;
if (!iswild(wildspec)) {
strncpy(matchname, wildspec, FILNAMSIZ);
matchname[FILNAMSIZ-1] = '\0';
have_dirname = FALSE;
dir = NULL;
return matchname;
}
/* break the wildspec into a directory part and a wildcard filename */
if ((wildname = strrchr(wildspec, '/')) == (ZCONST char *)NULL &&
(wildname = strrchr(wildspec, ':')) == (ZCONST char *)NULL) {
dirname = ".";
dirnamelen = 1;
have_dirname = FALSE;
wildname = wildspec;
} else {
++wildname; /* point at character after '/' or ':' */
dirnamelen = (int)(wildname - wildspec);
if ((dirname = (char *)malloc(dirnamelen+1)) == (char *)NULL) {
Info(slide, 1, ((char *)slide,
LoadFarString(CantAllocateWildcard)));
strncpy(matchname, wildspec, FILNAMSIZ);
matchname[FILNAMSIZ-1] = '\0';
return matchname; /* but maybe filespec was not a wildcard */
}
/* GRR: cannot strip trailing char for opendir since might be "d:/" or "d:"
* (would have to check for "./" at end--let opendir handle it instead) */
strncpy(dirname, wildspec, dirnamelen);
dirname[dirnamelen] = '\0'; /* terminate for strcpy below */
have_dirname = TRUE;
}
Trace((stderr, "do_wild: dirname = [%s]\n", FnFilter1(dirname)));
if ((wild_dir = opendir(dirname)) != (DIR *)NULL) {
if (have_dirname) {
strcpy(matchname, dirname);
fnamestart = matchname + dirnamelen;
} else
fnamestart = matchname;
while ((file = readdir(wild_dir)) != (struct dirent *)NULL) {
Trace((stderr, "do_wild: readdir returns %s\n",
FnFilter1(file->d_name)));
strcpy(fnamestart, file->d_name);
if (strrchr(fnamestart, '.') == (char *)NULL)
strcat(fnamestart, ".");
if (match(fnamestart, wildname, 1 WISEP) && /* 1=ignore case */
/* skip "." and ".." directory entries */
strcmp(fnamestart, ".") && strcmp(fnamestart, "..")) {
Trace((stderr, "do_wild: match() succeeds\n"));
/* remove trailing dot */
fnamestart += strlen(fnamestart) - 1;
if (*fnamestart == '.')
*fnamestart = '\0';
return matchname;
}
}
/* if we get to here directory is exhausted, so close it */
closedir(wild_dir);
wild_dir = (DIR *)NULL;
}
#ifdef DEBUG
else {
Trace((stderr, "do_wild: opendir(%s) returns NULL\n",
FnFilter1(dirname)));
}
#endif /* DEBUG */
/* return the raw wildspec in case that works (e.g., directory not
* searchable, but filespec was not wild and file is readable) */
strncpy(matchname, wildspec, FILNAMSIZ);
matchname[FILNAMSIZ-1] = '\0';
return matchname;
}
/* last time through, might have failed opendir but returned raw wildspec */
if (wild_dir == (DIR *)NULL) {
notfirstcall = FALSE; /* nothing left to try--reset for new wildspec */
if (have_dirname)
free(dirname);
return (char *)NULL;
}
/* If we've gotten this far, we've read and matched at least one entry
* successfully (in a previous call), so dirname has been copied into
* matchname already.
*/
if (have_dirname) {
/* strcpy(matchname, dirname); */
fnamestart = matchname + dirnamelen;
} else
fnamestart = matchname;
while ((file = readdir(wild_dir)) != (struct dirent *)NULL) {
Trace((stderr, "do_wild: readdir returns %s\n",
FnFilter1(file->d_name)));
strcpy(fnamestart, file->d_name);
if (strrchr(fnamestart, '.') == (char *)NULL)
strcat(fnamestart, ".");
if (match(fnamestart, wildname, 1 WISEP)) { /* 1 == ignore case */
Trace((stderr, "do_wild: match() succeeds\n"));
/* remove trailing dot */
fnamestart += strlen(fnamestart) - 1;
if (*fnamestart == '.')
*fnamestart = '\0';
return matchname;
}
}
closedir(wild_dir); /* have read at least one entry; nothing left */
wild_dir = (DIR *)NULL;
notfirstcall = FALSE; /* reset for new wildspec */
if (have_dirname)
free(dirname);
return (char *)NULL;
} /* end function do_wild() */
#endif /* !SFX */
/**********************/
/* Function mapattr() */
/**********************/
int mapattr(__G)
__GDEF
{
/* set archive bit (file is not backed up): */
G.pInfo->file_attr = (unsigned)(G.crec.external_file_attributes & 7) | 32;
return 0;
}
/**********************/
/* Function mapname() */
/**********************/
int mapname(__G__ renamed)
__GDEF
int renamed;
/*
* returns:
* MPN_OK - no problem detected
* MPN_INF_TRUNC - caution (truncated filename)
* MPN_INF_SKIP - info "skip entry" (dir doesn't exist)
* MPN_ERR_SKIP - error -> skip entry
* MPN_ERR_TOOLONG - error -> path is too long
* MPN_NOMEM - error (memory allocation failed) -> skip entry
* [also MPN_VOL_LABEL, MPN_CREATED_DIR]
*/
{
char pathcomp[FILNAMSIZ]; /* path-component buffer */
char *pp, *cp=(char *)NULL; /* character pointers */
char *lastsemi=(char *)NULL; /* pointer to last semi-colon in pathcomp */
char *last_dot=(char *)NULL; /* last dot not converted to underscore */
int dotname = FALSE; /* path component begins with dot? */
int killed_ddot = FALSE; /* is set when skipping "../" pathcomp */
int error = MPN_OK;
register unsigned workch; /* hold the character being tested */
if (G.pInfo->vollabel)
return MPN_VOL_LABEL; /* Cannot set disk volume labels in FlexOS */
/*---------------------------------------------------------------------------
Initialize various pointers and counters and stuff.
---------------------------------------------------------------------------*/
/* can create path as long as not just freshening, or if user told us */
G.create_dirs = (!uO.fflag || renamed);
created_dir = FALSE; /* not yet */
renamed_fullpath = FALSE;
if (renamed) {
cp = G.filename - 1; /* point to beginning of renamed name... */
while (*++cp)
if (*cp == '\\') /* convert backslashes to forward */
*cp = '/';
cp = G.filename;
/* use temporary rootpath if user gave full pathname */
if (G.filename[0] == '/') {
renamed_fullpath = TRUE;
pathcomp[0] = '/'; /* copy the '/' and terminate */
pathcomp[1] = '\0';
++cp;
} else if (isalpha((uch)G.filename[0]) && G.filename[1] == ':') {
renamed_fullpath = TRUE;
pp = pathcomp;
*pp++ = *cp++; /* copy the "d:" (+ '/', possibly) */
*pp++ = *cp++;
if (*cp == '/')
*pp++ = *cp++; /* otherwise add "./"? */
*pp = '\0';
}
}
/* pathcomp is ignored unless renamed_fullpath is TRUE: */
if ((error = checkdir(__G__ pathcomp, INIT)) != 0) /* initialize path buf */
return error; /* ...unless no mem or vol label on hard disk */
*pathcomp = '\0'; /* initialize translation buffer */
pp = pathcomp; /* point to translation buffer */
if (!renamed) { /* cp already set if renamed */
if (uO.jflag) /* junking directories */
cp = (char *)strrchr(G.filename, '/');
if (cp == (char *)NULL) /* no '/' or not junking dirs */
cp = G.filename; /* point to internal zipfile-member pathname */
else
++cp; /* point to start of last component of path */
}
/*---------------------------------------------------------------------------
Begin main loop through characters in filename.
---------------------------------------------------------------------------*/
while ((workch = (uch)*cp++) != 0) {
switch (workch) {
case '/': /* can assume -j flag not given */
*pp = '\0';
map2fat(pathcomp, last_dot); /* 8.3 truncation (in place) */
last_dot = (char *)NULL;
if (strcmp(pathcomp, ".") == 0) {
/* don't bother appending "./" to the path */
*pathcomp = '\0';
} else if (!uO.ddotflag && strcmp(pathcomp, "..") == 0) {
/* "../" dir traversal detected, skip over it */
*pathcomp = '\0';
killed_ddot = TRUE; /* set "show message" flag */
}
/* when path component is not empty, append it now */
if (*pathcomp != '\0' &&
((error = checkdir(__G__ pathcomp, APPEND_DIR))
& MPN_MASK) > MPN_INF_TRUNC)
return error;
pp = pathcomp; /* reset conversion buffer for next piece */
lastsemi = (char *)NULL; /* leave direct. semi-colons alone */
break;
case '.':
if (pp == pathcomp) { /* nothing appended yet... */
if (*cp == '.' && cp[1] == '/') { /* "../" */
*pp++ = '.'; /* add first dot, unchanged... */
++cp; /* skip second dot, since it will */
} else { /* be "added" at end of if-block */
*pp++ = '_'; /* FAT doesn't allow null filename */
dotname = TRUE; /* bodies, so map .exrc -> _.exrc */
} /* (extra '_' now, "dot" below) */
} else if (dotname) { /* found a second dot, but still */
dotname = FALSE; /* have extra leading underscore: */
*pp = '\0'; /* remove it by shifting chars */
pp = pathcomp + 1; /* left one space (e.g., .p1.p2: */
while (pp[1]) { /* __p1 -> _p1_p2 -> _p1.p2 when */
*pp = pp[1]; /* finished) [opt.: since first */
++pp; /* two chars are same, can start */
} /* shifting at second position] */
}
last_dot = pp; /* point at last dot so far... */
*pp++ = '_'; /* convert dot to underscore for now */
break;
/* drive names are not stored in zipfile, so no colons allowed;
* no brackets or most other punctuation either (all of which
* can appear in Unix-created archives; backslash is particularly
* bad unless all necessary directories exist) */
case '[': /* these punctuation characters forbidden */
case ']': /* only on plain FAT file systems */
case '+':
case ',':
case '=':
case ':': /* special shell characters of command.com */
case '\\': /* (device and directory limiters, wildcard */
case '"': /* characters, stdin/stdout redirection and */
case '<': /* pipe indicators and the quote sign) are */
case '>': /* never allowed in filenames on (V)FAT */
case '|':
case '*':
case '?':
*pp++ = '_';
break;
case ';': /* start of VMS version? */
lastsemi = pp;
break;
case ' ': /* change spaces to underscores */
if (uO.sflag) /* only if requested */
*pp++ = '_';
else
*pp++ = (char)workch;
break;
default:
/* allow ASCII 255 and European characters in filenames: */
if (isprint(workch) || workch >= 127)
*pp++ = (char)workch;
} /* end switch */
} /* end while loop */
/* Show warning when stripping insecure "parent dir" path components */
if (killed_ddot && QCOND2) {
Info(slide, 0, ((char *)slide, LoadFarString(WarnDirTraversSkip),
FnFilter1(G.filename)));
if (!(error & ~MPN_MASK))
error = (error & MPN_MASK) | PK_WARN;
}
/*---------------------------------------------------------------------------
Report if directory was created (and no file to create: filename ended
in '/'), check name to be sure it exists, and combine path and name be-
fore exiting.
---------------------------------------------------------------------------*/
if (G.filename[strlen(G.filename) - 1] == '/') {
checkdir(__G__ G.filename, GETPATH);
if (created_dir) {
if (QCOND2) {
Info(slide, 0, ((char *)slide, LoadFarString(Creating),
FnFilter1(G.filename)));
}
/* set dir time (note trailing '/') */
return (error & ~MPN_MASK) | MPN_CREATED_DIR;
}
/* dir existed already; don't look for data to extract */
return (error & ~MPN_MASK) | MPN_INF_SKIP;
}
*pp = '\0'; /* done with pathcomp: terminate it */
/* if not saving them, remove VMS version numbers (appended ";###") */
if (!uO.V_flag && lastsemi) {
pp = lastsemi; /* semi-colon was omitted: expect all #'s */
while (isdigit((uch)(*pp)))
++pp;
if (*pp == '\0') /* only digits between ';' and end: nuke */
*lastsemi = '\0';
}
map2fat(pathcomp, last_dot); /* 8.3 truncation (in place) */
if (*pathcomp == '\0') {
Info(slide, 1, ((char *)slide, LoadFarString(ConversionFailed),
FnFilter1(G.filename)));
return (error & ~MPN_MASK) | MPN_ERR_SKIP;
}
checkdir(__G__ pathcomp, APPEND_NAME); /* returns 1 if truncated: care? */
checkdir(__G__ G.filename, GETPATH);
return error;
} /* end function mapname() */
/**********************/
/* Function map2fat() */
/**********************/
static void map2fat(pathcomp, last_dot)
char *pathcomp, *last_dot;
{
char *pEnd = pathcomp + strlen(pathcomp);
/*---------------------------------------------------------------------------
Case 1: filename has no dot, so figure out if we should add one. Note
that the algorithm does not try to get too fancy: if there are no dots
already, the name either gets truncated at 8 characters or the last un-
derscore is converted to a dot (only if more characters are saved that
way). In no case is a dot inserted between existing characters.
GRR: have problem if filename is volume label??
---------------------------------------------------------------------------*/
/* pEnd = pathcomp + strlen(pathcomp); */
if (last_dot == (char *)NULL) { /* no dots: check for underscores... */
char *plu = strrchr(pathcomp, '_'); /* pointer to last underscore */
if (plu == (char *)NULL) { /* no dots, no underscores: truncate at */
if (pEnd > pathcomp+8) /* 8 chars (could insert '.' and keep 11) */
*(pEnd = pathcomp+8) = '\0';
} else if (MIN(plu - pathcomp, 8) + MIN(pEnd - plu - 1, 3) > 8) {
last_dot = plu; /* be lazy: drop through to next if-block */
} else if ((pEnd - pathcomp) > 8) /* more fits into just basename */
pathcomp[8] = '\0'; /* than if convert last underscore to dot */
/* else whole thing fits into 8 chars or less: no change */
}
/*---------------------------------------------------------------------------
Case 2: filename has dot in it, so truncate first half at 8 chars (shift
extension if necessary) and second half at three.
---------------------------------------------------------------------------*/
if (last_dot != (char *)NULL) { /* one dot (or two, in the case of */
*last_dot = '.'; /* "..") is OK: put it back in */
if ((last_dot - pathcomp) > 8) {
char *p=last_dot, *q=pathcomp+8;
int i;
for (i = 0; (i < 4) && *p; ++i) /* too many chars in basename: */
*q++ = *p++; /* shift extension left and */
*q = '\0'; /* truncate/terminate it */
} else if ((pEnd - last_dot) > 4)
last_dot[4] = '\0'; /* too many chars in extension */
/* else filename is fine as is: no change */
}
} /* end function map2fat() */
/***********************/
/* Function checkdir() */
/***********************/
int checkdir(__G__ pathcomp, flag)
__GDEF
char *pathcomp;
int flag;
/*
* returns:
* MPN_OK - no problem detected
* MPN_INF_TRUNC - (on APPEND_NAME) truncated filename
* MPN_INF_SKIP - path doesn't exist, not allowed to create
* MPN_ERR_SKIP - path doesn't exist, tried to create and failed; or path
* exists and is not a directory, but is supposed to be
* MPN_ERR_TOOLONG - path is too long
* MPN_NOMEM - can't allocate memory for filename buffers
*/
{
static int rootlen = 0; /* length of rootpath */
static char *rootpath; /* user's "extract-to" directory */
static char *buildpath; /* full path (so far) to extracted file */
static char *end; /* pointer to end of buildpath ('\0') */
# define FN_MASK 7
# define FUNCTION (flag & FN_MASK)
/*---------------------------------------------------------------------------
APPEND_DIR: append the path component to the path being built and check
for its existence. If doesn't exist and we are creating directories, do
so for this one; else signal success or error as appropriate.
---------------------------------------------------------------------------*/
if (FUNCTION == APPEND_DIR) {
int too_long = FALSE;
Trace((stderr, "appending dir segment [%s]\n", FnFilter1(pathcomp)));
while ((*end = *pathcomp++) != '\0')
++end;
/* GRR: could do better check, see if overrunning buffer as we go:
* check end-buildpath after each append, set warning variable if
* within 20 of FILNAMSIZ; then if var set, do careful check when
* appending. Clear variable when begin new path. */
if ((end-buildpath) > FILNAMSIZ-3) /* need '/', one-char name, '\0' */
too_long = TRUE; /* check if extracting directory? */
if (stat(buildpath, &G.statbuf)) /* path doesn't exist */
{
if (!G.create_dirs) { /* told not to create (freshening) */
free(buildpath);
return MPN_INF_SKIP; /* path doesn't exist: nothing to do */
}
if (too_long) {
Info(slide, 1, ((char *)slide, LoadFarString(PathTooLong),
FnFilter1(buildpath)));
free(buildpath);
/* no room for filenames: fatal */
return MPN_ERR_TOOLONG;
}
if (mkdir(buildpath, 0777) == -1) { /* create the directory */
Info(slide, 1, ((char *)slide, LoadFarString(CantCreateDir),
FnFilter2(buildpath), FnFilter1(G.filename)));
free(buildpath);
/* path didn't exist, tried to create, failed */
return MPN_ERR_SKIP;
}
created_dir = TRUE;
} else if (!S_ISDIR(G.statbuf.st_mode)) {
Info(slide, 1, ((char *)slide, LoadFarString(DirIsntDirectory),
FnFilter2(buildpath), FnFilter1(G.filename)));
free(buildpath);
/* path existed but wasn't dir */
return MPN_ERR_SKIP;
}
if (too_long) {
Info(slide, 1, ((char *)slide, LoadFarString(PathTooLong),
FnFilter1(buildpath)));
free(buildpath);
/* no room for filenames: fatal */
return MPN_ERR_TOOLONG;
}
*end++ = '/';
*end = '\0';
Trace((stderr, "buildpath now = [%s]\n", FnFilter1(buildpath)));
return MPN_OK;
} /* end if (FUNCTION == APPEND_DIR) */
/*---------------------------------------------------------------------------
GETPATH: copy full path to the string pointed at by pathcomp, and free
buildpath.
---------------------------------------------------------------------------*/
if (FUNCTION == GETPATH) {
strcpy(pathcomp, buildpath);
Trace((stderr, "getting and freeing path [%s]\n",
FnFilter1(pathcomp)));
free(buildpath);
buildpath = end = (char *)NULL;
return MPN_OK;
}
/*---------------------------------------------------------------------------
APPEND_NAME: assume the path component is the filename; append it and
return without checking for existence.
---------------------------------------------------------------------------*/
if (FUNCTION == APPEND_NAME) {
Trace((stderr, "appending filename [%s]\n", FnFilter1(pathcomp)));
while ((*end = *pathcomp++) != '\0') {
++end;
if ((end-buildpath) >= FILNAMSIZ) {
*--end = '\0';
Info(slide, 1, ((char *)slide, LoadFarString(PathTooLongTrunc),
FnFilter1(G.filename), FnFilter2(buildpath)));
return MPN_INF_TRUNC; /* filename truncated */
}
}
Trace((stderr, "buildpath now = [%s]\n", FnFilter1(buildpath)));
/* could check for existence here, prompt for new name... */
return MPN_OK;
}
/*---------------------------------------------------------------------------
INIT: allocate and initialize buffer space for the file currently being
extracted. If file was renamed with an absolute path, don't prepend the
extract-to path.
---------------------------------------------------------------------------*/
if (FUNCTION == INIT) {
Trace((stderr, "initializing buildpath to "));
/* allocate space for full filename, root path, and maybe "./" */
if ((buildpath = (char *)malloc(strlen(G.filename)+rootlen+3)) ==
(char *)NULL)
return MPN_NOMEM;
if (renamed_fullpath) { /* pathcomp = valid data */
end = buildpath;
while ((*end = *pathcomp++) != '\0')
++end;
} else if (rootlen > 0) {
strcpy(buildpath, rootpath);
end = buildpath + rootlen;
} else {
*buildpath = '\0';
end = buildpath;
}
Trace((stderr, "[%s]\n", FnFilter1(buildpath)));
return MPN_OK;
}
/*---------------------------------------------------------------------------
ROOT: if appropriate, store the path in rootpath and create it if neces-
sary; else assume it's a zipfile member and return. This path segment
gets used in extracting all members from every zipfile specified on the
command line. Note that under FlexOS, if a candidate extract-to
directory specification includes a drive letter (leading "x:"), it is
treated just as if it had a trailing '/'--that is, one directory level
will be created if the path doesn't exist, unless this is otherwise pro-
hibited (e.g., freshening).
---------------------------------------------------------------------------*/
#if (!defined(SFX) || defined(SFX_EXDIR))
if (FUNCTION == ROOT) {
Trace((stderr, "initializing root path to [%s]\n",
FnFilter1(pathcomp)));
if (pathcomp == (char *)NULL) {
rootlen = 0;
return MPN_OK;
}
if (rootlen > 0) /* rootpath was already set, nothing to do */
return MPN_OK;
if ((rootlen = strlen(pathcomp)) > 0) {
int had_trailing_pathsep=FALSE, add_dot=FALSE;
char *tmproot;
if ((tmproot = (char *)malloc(rootlen+3)) == (char *)NULL) {
rootlen = 0;
return MPN_NOMEM;
}
strcpy(tmproot, pathcomp);
if (tmproot[rootlen-1] == '/' || tmproot[rootlen-1] == '\\') {
tmproot[--rootlen] = '\0';
had_trailing_pathsep = TRUE;
}
if (tmproot[rootlen-1] == ':') {
if (!had_trailing_pathsep) /* i.e., original wasn't "xxx:/" */
add_dot = TRUE; /* relative path: add '.' before '/' */
} else if (rootlen > 0) && /* need not check "xxx:." and "xxx:/" */
(SSTAT(tmproot, &G.statbuf) ||
!S_ISDIR(G.statbuf.st_mode))
{
/* path does not exist */
if (!G.create_dirs /* || iswild(tmproot) */ ) {
free(tmproot);
rootlen = 0;
/* treat as stored file */
return MPN_INF_SKIP;
}
/* GRR: scan for wildcard characters? OS-dependent...
* if find any, return MPN_INF_SKIP: treat as stored file(s) */
/* create directory (could add loop here scanning tmproot
* to create more than one level, but really necessary?) */
if (mkdir(tmproot, 0777) == -1) {
Info(slide, 1, ((char *)slide,
LoadFarString(CantCreateExtractDir),
FnFilter1(tmproot)));
free(tmproot);
rootlen = 0;
/* path didn't exist, tried to create, and failed: */
/* file exists, or 2+ subdir levels required */
return MPN_ERR_SKIP;
}
}
if (add_dot) /* had just "x:", make "x:." */
tmproot[rootlen++] = '.';
tmproot[rootlen++] = '/';
tmproot[rootlen] = '\0';
if ((rootpath = (char *)realloc(tmproot, rootlen+1)) == NULL) {
free(tmproot);
rootlen = 0;
return MPN_NOMEM;
}
Trace((stderr, "rootpath now = [%s]\n", FnFilter1(rootpath)));
}
return MPN_OK;
}
#endif /* !SFX || SFX_EXDIR */
/*---------------------------------------------------------------------------
END: free rootpath, immediately prior to program exit.
---------------------------------------------------------------------------*/
if (FUNCTION == END) {
Trace((stderr, "freeing rootpath\n"));
if (rootlen > 0) {
free(rootpath);
rootlen = 0;
}
return MPN_OK;
}
return MPN_INVALID; /* should never reach */
} /* end function checkdir() */
/****************************/
/* Function close_outfile() */
/****************************/
void close_outfile(__G)
__GDEF
/*
* FlexOS VERSION
*
* Set the output file date/time stamp according to information from the
* zipfile directory record for this member, then close the file and set
* its permissions (archive, hidden, read-only, system). Aside from closing
* the file, this routine is optional (but most compilers support it).
*/
{
DISKFILE df;
LONG fnum;
struct { /* date and time words */
union { /* DOS file modification time word */
ush ztime;
struct {
unsigned zt_se : 5;
unsigned zt_mi : 6;
unsigned zt_hr : 5;
} _tf;
} _t;
union { /* DOS file modification date word */
ush zdate;
struct {
unsigned zd_dy : 5;
unsigned zd_mo : 4;
unsigned zd_yr : 7;
} _df;
} _d;
} zt;
#ifdef USE_EF_UT_TIME
iztimes z_utime;
struct tm *t;
#endif /* ?USE_EF_UT_TIME */
fclose(G.outfile);
if ((fnum = s_open(A_SET, G.filename)) < 0) {
Info(slide, 0x201, ((char *)slide,
"warning: cannot open %s to set the time\n",
FnFilter1(G.filename)));
return;
}
if (s_get(T_FILE, fnum, &df, DSKFSIZE) < 0) {
s_close(0, fnum);
Info(slide, 0x201, ((char *)slide,
"warning: cannot get info on %s\n", FnFilter1(G.filename)));
return;
}
/* skip restoring time stamps on user's request */
if (uO.D_flag <= 1) {
/*---------------------------------------------------------------------------
Copy and/or convert time and date variables, if necessary; then fill in
the file time/date.
---------------------------------------------------------------------------*/
#ifdef USE_EF_UT_TIME
if (G.extra_field &&
#ifdef IZ_CHECK_TZ
G.tz_is_valid &&
#endif
(ef_scan_for_izux(G.extra_field, G.lrec.extra_field_length, 0,
G.lrec.last_mod_dos_datetime, &z_utime, NULL) & EB_UT_FL_MTIME))
{
TTrace((stderr, "close_outfile: Unix e.f. modif. time = %ld\n",
z_utime.mtime));
t = localtime(&(z_utime.mtime));
} else
t = (struct tm *)NULL;
if (t != (struct tm *)NULL) {
if (t->tm_year < 80) {
df.df_modyear = 1980;
df.df_modmonth = 1;
df.df_modday = 1;
df.df_modhr = 0;
df.df_modmin = 0;
df.df_modsec = 0;
} else {
df.df_modyear = t->tm_year + 1900;
df.df_modmonth = t->tm_mon + 1;
df.df_modday = t->tm_mday;
df.df_modhr = t->tm_hour;
df.df_modmin = t->tm_min;
df.df_modsec = t->tm_sec;
}
} else
#endif /* ?USE_EF_UX_TIME */
{
zt._t.ztime = (ush)(G.lrec.last_mod_dos_datetime) & 0xffff;
zt._d.zdate = (ush)(G.lrec.last_mod_dos_datetime >> 16);
df.df_modyear = 1980 + zt._d._df.zd_yr;
df.df_modmonth = zt._d._df.zd_mo;
df.df_modday = zt._d._df.zd_dy;
df.df_modhr = zt._t._tf.zt_hr;
df.df_modmin = zt._t._tf.zt_mi;
df.df_modsec = zt._t._tf.zt_se << 1;
}
}
/*---------------------------------------------------------------------------
Fill in the file attributes.
---------------------------------------------------------------------------*/
df.df_attr1 = (UBYTE)G.pInfo->file_attr;
/*---------------------------------------------------------------------------
Now we try to set the attributes & date/time.
---------------------------------------------------------------------------*/
if (s_set(T_FILE, fnum, &df, DSKFSIZE) < 0)
Info(slide, 0x201, ((char *)slide,
"warning: cannot set info for %s\n", FnFilter1(G.filename)));
s_close(0, fnum);
} /* end function close_outfile() */
#ifndef SFX
/*************************/
/* Function dateformat() */
/*************************/
int dateformat()
{
return DF_DMY; /* default for systems without locale info */
}
/************************/
/* Function version() */
/************************/
void version(__G)
__GDEF
{
int len;
len = sprintf((char *)slide, LoadFarString(CompiledWith),
"MetaWare High C",
"",
"FlexOS",
" (16-bit, big)",
#ifdef __DATE__
" on ", __DATE__
#else
"", ""
#endif
);
(*G.message)((zvoid *)&G, slide, (ulg)len, 0);
}
#endif /* !SFX */
/************************/
/* Function _wildarg() */
/************************/
/* This prevents the PORTLIB startup code from preforming argument globbing */
_wildarg() {}
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