aosvs.c
资源名称:unzip540.zip [点击查看]
上传用户:andy_li
上传日期:2007-01-06
资源大小:1019k
文件大小:45k
源码类别:
压缩解压
开发平台:
MultiPlatform
- /*---------------------------------------------------------------------------
- aosvs.c
- AOS/VS-specific routines for use with Info-ZIP's UnZip 5.2 and later.
- [GRR: copied from unix.c -> undoubtedly has unnecessary stuff: delete at will]
- Contains: readdir()
- do_wild()
- open_outfile()
- mapattr()
- mapname()
- checkdir()
- screenlines()
- close_outfile()
- version() <-- GRR: needs work! (Unix, not AOS/VS)
- zvs_create()
- zvs_credir()
- ux_to_vs_name()
- dgdate()
- ---------------------------------------------------------------------------*/
- #define UNZIP_INTERNAL
- #include "unzip.h"
- #include "aosvs/aosvs.h"
- #include <packets/create.h>
- #include <sys_calls.h>
- #include <paru.h>
- #define symlink(resname,linkname)
- zvs_create(linkname,-1L,-1L,-1L,ux_to_vs_name(vs_resname,resname),$FLNK,-1,-1)
- * file type */
- #ifdef DIRENT
- # include <dirent.h>
- #else
- # ifdef SYSV
- # ifdef SYSNDIR
- # include <sys/ndir.h>
- # else
- # include <ndir.h>
- # endif
- # else /* !SYSV */
- # ifndef NO_SYSDIR
- # include <sys/dir.h>
- # endif
- # endif /* ?SYSV */
- # ifndef dirent
- # define dirent direct
- # endif
- #endif /* ?DIRENT */
- static int created_dir; /* used in mapname(), checkdir() */
- static int renamed_fullpath; /* ditto */
- static ZEXTRAFLD zzextrafld; /* buffer for extra field containing
- * ?FSTAT packet & ACL buffer */
- static char vs_resname[2*$MXPL];
- static char vs_path[2*$MXPL]; /* buf for AOS/VS pathname */
- static char Vs_path[512]; /* should be big enough [GRR: ?] */
- static P_CTIM zztimeblock; /* time block for file creation */
- static ZVSCREATE_STRU zzcreatepacket; /* packet for sys_create(), any
- /***************************/
- /* Strings used in aosvs.c */
- /***************************/
- static ZCONST char Far CannotDeleteOldFile[] =
- "error: cannot delete old %sn";
- static ZCONST char Far CannotCreateFile[] = "error: cannot create %sn";
- #ifndef SFX
- #ifdef NO_DIR /* for AT&T 3B1 */
- #define opendir(path) fopen(path,"r")
- #define closedir(dir) fclose(dir)
- typedef FILE DIR;
- /*
- * Apparently originally by Rich Salz.
- * Cleaned up and modified by James W. Birdsall.
- */
- struct dirent *readdir(dirp)
- DIR *dirp;
- {
- static struct dirent entry;
- if (dirp == NULL)
- return NULL;
- for (;;)
- if (fread(&entry, sizeof (struct dirent), 1, dirp) == 0)
- return (struct dirent *)NULL;
- else if (entry.d_ino)
- return &entry;
- } /* end function readdir() */
- #endif /* NO_DIR */
- /**********************/
- /* Function do_wild() */ /* for porting: dir separator; match(ignore_case) */
- /**********************/
- char *do_wild(__G__ wildspec)
- __GDEF
- char *wildspec; /* only used first time on a given dir */
- {
- static DIR *dir = (DIR *)NULL;
- static char *dirname, *wildname, matchname[FILNAMSIZ];
- static int firstcall=TRUE, have_dirname, dirnamelen;
- 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 (firstcall) { /* first call: must initialize everything */
- firstcall = FALSE;
- if (!iswild(wildspec)) {
- strcpy(matchname, wildspec);
- have_dirname = FALSE;
- dir = NULL;
- return matchname;
- }
- /* break the wildspec into a directory part and a wildcard filename */
- if ((wildname = strrchr(wildspec, '/')) == (char *)NULL) {
- dirname = ".";
- dirnamelen = 1;
- have_dirname = FALSE;
- wildname = wildspec;
- } else {
- ++wildname; /* point at character after '/' */
- dirnamelen = wildname - wildspec;
- if ((dirname = (char *)malloc(dirnamelen+1)) == (char *)NULL) {
- Info(slide, 0x201, ((char *)slide,
- "warning: cannot allocate wildcard buffersn"));
- strcpy(matchname, wildspec);
- return matchname; /* but maybe filespec was not a wildcard */
- }
- strncpy(dirname, wildspec, dirnamelen);
- dirname[dirnamelen] = ' '; /* terminate for strcpy below */
- have_dirname = TRUE;
- }
- if ((dir = opendir(dirname)) != (DIR *)NULL) {
- while ((file = readdir(dir)) != (struct dirent *)NULL) {
- Trace((stderr, "do_wild: readdir returns %sn", file->d_name));
- if (file->d_name[0] == '.' && wildname[0] != '.')
- continue; /* Unix: '*' and '?' do not match leading dot */
- if (match(file->d_name, wildname, 0) && /* 0 == case sens. */
- /* skip "." and ".." directory entries */
- strcmp(file->d_name, ".") && strcmp(file->d_name, "..")) {
- Trace((stderr, "do_wild: match() succeedsn"));
- if (have_dirname) {
- strcpy(matchname, dirname);
- strcpy(matchname+dirnamelen, file->d_name);
- } else
- strcpy(matchname, file->d_name);
- return matchname;
- }
- }
- /* if we get to here directory is exhausted, so close it */
- closedir(dir);
- dir = (DIR *)NULL;
- }
- /* return the raw wildspec in case that works (e.g., directory not
- * searchable, but filespec was not wild and file is readable) */
- strcpy(matchname, wildspec);
- return matchname;
- }
- /* last time through, might have failed opendir but returned raw wildspec */
- if (dir == (DIR *)NULL) {
- firstcall = TRUE; /* 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.
- */
- while ((file = readdir(dir)) != (struct dirent *)NULL) {
- Trace((stderr, "do_wild: readdir returns %sn", file->d_name));
- if (file->d_name[0] == '.' && wildname[0] != '.')
- continue; /* Unix: '*' and '?' do not match leading dot */
- if (match(file->d_name, wildname, 0)) { /* 0 == don't ignore case */
- Trace((stderr, "do_wild: match() succeedsn"));
- if (have_dirname) {
- /* strcpy(matchname, dirname); */
- strcpy(matchname+dirnamelen, file->d_name);
- } else
- strcpy(matchname, file->d_name);
- return matchname;
- }
- }
- closedir(dir); /* have read at least one dir entry; nothing left */
- dir = (DIR *)NULL;
- firstcall = TRUE; /* reset for new wildspec */
- if (have_dirname)
- free(dirname);
- return (char *)NULL;
- } /* end function do_wild() */
- #endif /* !SFX */
- /***************************/
- /* Function open_outfile() */
- /***************************/
- int open_outfile(__G) /* return 1 if fail */
- __GDEF
- {
- int errc = 1; /* init to show no success with AOS/VS info */
- long dmm, ddd, dyy, dhh, dmin, dss;
- #ifdef DLL
- if (G.redirect_data)
- return redirect_outfile(__G)==FALSE;
- #endif
- if (stat(G.filename, &G.statbuf) == 0 && unlink(G.filename) < 0) {
- Info(slide, 0x401, ((char *)slide, LoadFarString(CannotDeleteOldFile),
- G.filename));
- return 1;
- }
- /*---------------------------------------------------------------------------
- If the file didn't already exist, we created it earlier. But we just
- deleted it, which we still had to do in case we are overwriting an exis-
- ting file. So we must create it now, again, to set the creation time
- properly. (The creation time is the best functional approximation of
- the Unix mtime. Really!)
- If we stored this with an AOS/VS Zip that set the extra field to contain
- the ?FSTAT packet and the ACL, we should use info from the ?FSTAT call
- now. Otherwise (or if that fails), we should create anyway as best we
- can from the normal Zip info.
- In theory, we should look through an entire series of extra fields that
- might exist for the same file, but we're not going to bother. If we set
- up other types of extra fields, or if other environments we run into may
- add their own stuff to existing entries in Zip files, we'll have to.
- Note that all the packet types for sys_fstat() are the same size & mostly
- have the same structure, with some fields being unused, etc. Ditto for
- sys_create(). Thus, we assume a normal one here, not a dir/cpd or device
- or IPC file, & make little adjustments as necessary. We will set ACLs
- later (to reduce the chance of lacking access to what we create now); note
- that for links the resolution name should be stored in the ACL field (once
- we get Zip recognizing links OK).
- ---------------------------------------------------------------------------*/
- if (G.extra_field != NULL) {
- memcpy((char *) &zzextrafld, G.extra_field, sizeof(zzextrafld));
- if (!memcmp(ZEXTRA_HEADID, zzextrafld.extra_header_id,
- sizeof(zzextrafld.extra_header_id)) &&
- !memcmp(ZEXTRA_SENTINEL, zzextrafld.extra_sentinel),
- sizeof(zzextrafld.extra_sentinel))
- {
- zzcreatepacket.norm_create_packet.cftyp_format =
- zzextrafld.fstat_packet.norm_fstat_packet.styp_format;
- zzcreatepacket.norm_create_packet.cftyp_entry =
- zzextrafld.fstat_packet.norm_fstat_packet.styp_type;
- /* for DIRS/CPDs, the next one will give the hash frame size; for
- * IPCs it will give the port number */
- zzcreatepacket.norm_create_packet.ccps =
- zzextrafld.fstat_packet.norm_fstat_packet.scps;
- zzcreatepacket.norm_create_packet.ctim = &zztimeblock;
- zztimeblock.tcth = zzextrafld.fstat_packet.norm_fstat_packet.stch;
- /* access & modification times default to current */
- zztimeblock.tath.long_time = zztimeblock.tmth.long_time = -1;
- /* give it current process's ACL unless link; then give it
- * resolution name */
- zzcreatepacket.norm_create_packet.cacp = (char *)(-1);
- if (zzcreatepacket.norm_create_packet.cftyp_entry == $FLNK)
- zzcreatepacket.norm_create_packet.cacp = zzextrafld.aclbuf;
- zzcreatepacket.dir_create_packet.cmsh =
- zzextrafld.fstat_packet.dir_fstat_packet.scsh;
- if (zzcreatepacket.norm_create_packet.cftyp_entry != $FCPD) {
- /* element size for normal files */
- zzcreatepacket.norm_create_packet.cdel =
- zzextrafld.fstat_packet.norm_fstat_packet.sdeh;
- }
- zzcreatepacket.norm_create_packet.cmil =
- zzextrafld.fstat_packet.norm_fstat_packet.smil;
- if ((errc = sys_create(ux_to_vs_name(vs_path, G.filename),
- &zzcreatepacket)) != 0)
- Info(slide, 0x201, ((char *)slide,
- "error creating %s with AOS/VS info -n
- will try again with ordinary Zip infon", G.filename));
- }
- }
- /* do it the hard way if no AOS/VS info was stored or if we had problems */
- if (errc) {
- dyy = (G.lrec.last_mod_dos_datetime >> 25) + 1980;
- dmm = (G.lrec.last_mod_dos_datetime >> 21) & 0x0f;
- ddd = (G.lrec.last_mod_dos_datetime >> 16) & 0x1f;
- dhh = (G.lrec.last_mod_dos_datetime >> 11) & 0x1f;
- dmin = (G.lrec.last_mod_dos_datetime >> 5) & 0x3f;
- dss = (G.lrec.last_mod_dos_datetime << 1) & 0x3e;
- if (zvs_create(G.filename, (((ulg)dgdate(dmm, ddd, dyy)) << 16) |
- (dhh*1800L + dmin*30L + dss/2L), -1L, -1L, (char *) -1, -1, -1, -1))
- {
- Info(slide, 0x201, ((char *)slide, "error: %s: cannot createn",
- G.filename));
- return 1;
- }
- }
- Trace((stderr, "open_outfile: doing fopen(%s) for writingn", G.filename));
- if ((G.outfile = fopen(G.filename, FOPW)) == (FILE *)NULL) {
- Info(slide, 0x401, ((char *)slide, LoadFarString(CannotCreateFile),
- G.filename));
- return 1;
- }
- Trace((stderr, "open_outfile: fopen(%s) for writing succeededn",
- G.filename));
- #ifdef USE_FWRITE
- #ifdef _IOFBF /* make output fully buffered (works just about like write()) */
- setvbuf(G.outfile, (char *)slide, _IOFBF, WSIZE);
- #else
- setbuf(G.outfile, (char *)slide);
- #endif
- #endif /* USE_FWRITE */
- return 0;
- } /* end function open_outfile() */
- /**********************/
- /* Function mapattr() */
- /**********************/
- int mapattr(__G)
- __GDEF
- {
- ulg tmp = G.crec.external_file_attributes;
- switch (G.pInfo->hostnum) {
- case UNIX_:
- case VMS_:
- case ACORN_:
- case ATARI_:
- case BEOS_:
- case QDOS_:
- G.pInfo->file_attr = (unsigned)(tmp >> 16);
- return 0;
- case AMIGA_:
- tmp = (unsigned)(tmp>>17 & 7); /* Amiga RWE bits */
- G.pInfo->file_attr = (unsigned)(tmp<<6 | tmp<<3 | tmp);
- break;
- /* all remaining cases: expand MSDOS read-only bit into write perms */
- case FS_FAT_:
- case FS_HPFS_:
- case FS_NTFS_:
- case MAC_:
- case TOPS20_:
- default:
- tmp = !(tmp & 1) << 1; /* read-only bit --> write perms bits */
- G.pInfo->file_attr = (unsigned)(0444 | tmp<<6 | tmp<<3 | tmp);
- break;
- } /* end switch (host-OS-created-by) */
- /* for originating systems with no concept of "group," "other," "system": */
- umask( (int)(tmp=umask(0)) ); /* apply mask to expanded r/w(/x) perms */
- G.pInfo->file_attr &= ~tmp;
- return 0;
- } /* end function mapattr() */
- /************************/
- /* Function mapname() */
- /************************/
- /* return 0 if no error, 1 if caution (filename */
- int mapname(__G__ renamed) /* truncated), 2 if warning (skip file because */
- __GDEF /* dir doesn't exist), 3 if error (skip file), */
- int renamed; /* or 10 if out of memory (skip file) */
- { /* [also IZ_VOL_LABEL, IZ_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 */
- int quote = FALSE; /* flags */
- int error = 0;
- register unsigned workch; /* hold the character being tested */
- /*---------------------------------------------------------------------------
- Initialize various pointers and counters and stuff.
- ---------------------------------------------------------------------------*/
- if (G.pInfo->vollabel)
- return IZ_VOL_LABEL; /* can't set disk volume labels in Unix */
- /* 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 */
- /* user gave full pathname: don't prepend rootpath */
- renamed_fullpath = (renamed && (*G.filename == '/'));
- if (checkdir(__G__ (char *)NULL, INIT) == 10)
- return 10; /* initialize path buffer, unless no memory */
- *pathcomp = ' '; /* initialize translation buffer */
- pp = pathcomp; /* point to translation buffer */
- 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) {
- if (quote) { /* if character quoted, */
- *pp++ = (char)workch; /* include it literally */
- quote = FALSE;
- } else
- switch (workch) {
- case '/': /* can assume -j flag not given */
- *pp = ' ';
- if ((error = checkdir(__G__ pathcomp, APPEND_DIR)) > 1)
- return error;
- pp = pathcomp; /* reset conversion buffer for next piece */
- lastsemi = (char *)NULL; /* leave directory semi-colons alone */
- break;
- case ';': /* VMS version (or DEC-20 attrib?) */
- lastsemi = pp;
- *pp++ = ';'; /* keep for now; remove VMS ";##" */
- break; /* later, if requested */
- case ' 26': /* control-V quote for special chars */
- quote = TRUE; /* set flag for next character */
- break;
- #ifdef MTS
- case ' ': /* change spaces to underscore under */
- *pp++ = '_'; /* MTS; leave as spaces under Unix */
- break;
- #endif
- default:
- /* allow European characters in filenames: */
- if (isprint(workch) || (128 <= workch && workch <= 254))
- *pp++ = (char)workch;
- } /* end switch */
- } /* end while loop */
- *pp = ' '; /* done with pathcomp: terminate it */
- /* if not saving them, remove VMS version numbers (appended ";###") */
- if (!uO.V_flag && lastsemi) {
- pp = lastsemi + 1;
- while (isdigit((uch)(*pp)))
- ++pp;
- if (*pp == ' ') /* only digits between ';' and end: nuke */
- *lastsemi = ' ';
- }
- /*---------------------------------------------------------------------------
- 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, " creating: %sn",
- G.filename));
- }
- return IZ_CREATED_DIR; /* set dir time (note trailing '/') */
- }
- return 2; /* dir existed already; don't look for data to extract */
- }
- if (*pathcomp == ' ') {
- Info(slide, 1, ((char *)slide, "mapname: conversion of %s failedn",
- G.filename));
- return 3;
- }
- checkdir(__G__ pathcomp, APPEND_NAME); /* returns 1 if truncated: care? */
- checkdir(__G__ G.filename, GETPATH);
- return error;
- } /* end function mapname() */
- #if 0 /*========== NOTES ==========*/
- extract-to dir: a:path/
- buildpath: path1/path2/ ... (NULL-terminated)
- pathcomp: filename
- mapname():
- loop over chars in zipfile member name
- checkdir(path component, COMPONENT | CREATEDIR) --> map as required?
- (d:/tmp/unzip/) (disk:[tmp.unzip.)
- (d:/tmp/unzip/jj/) (disk:[tmp.unzip.jj.)
- (d:/tmp/unzip/jj/temp/) (disk:[tmp.unzip.jj.temp.)
- finally add filename itself and check for existence? (could use with rename)
- (d:/tmp/unzip/jj/temp/msg.outdir) (disk:[tmp.unzip.jj.temp]msg.outdir)
- checkdir(name, GETPATH) --> copy path to name and free space
- #endif /* 0 */
- /***********************/
- /* Function checkdir() */
- /***********************/
- int checkdir(__G__ pathcomp, flag)
- __GDEF
- char *pathcomp;
- int flag;
- /*
- * returns: 1 - (on APPEND_NAME) truncated filename
- * 2 - path doesn't exist, not allowed to create
- * 3 - path doesn't exist, tried to create and failed; or
- * path exists and is not a directory, but is supposed to be
- * 4 - path is too long
- * 10 - 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 (' ') */
- # 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;
- #ifdef SHORT_NAMES
- char *old_end = end;
- #endif
- Trace((stderr, "appending dir segment [%s]n", pathcomp));
- while ((*end = *pathcomp++) != ' ')
- ++end;
- #ifdef SHORT_NAMES /* path components restricted to 14 chars, typically */
- if ((end-old_end) > FILENAME_MAX) /* GRR: proper constant? */
- *(end = old_end + FILENAME_MAX) = ' ';
- #endif
- /* 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, ' ' */
- too_long = TRUE; /* check if extracting directory? */
- /* for AOS/VS, try to create so as to not use searchlist: */
- if ( /*stat(buildpath, &G.statbuf)*/ 1) {
- if (!G.create_dirs) { /* told not to create (freshening) */
- free(buildpath);
- return 2; /* path doesn't exist: nothing to do */
- }
- if (too_long) {
- Info(slide, 1, ((char *)slide,
- "checkdir error: path too long: %sn", buildpath));
- free(buildpath);
- return 4; /* no room for filenames: fatal */
- }
- /* create the directory */
- if (zvs_credir(buildpath,-1L,-1L,-1L,(char *) -1,-1,0L,-1,-1) == -1)
- {
- Info(slide, 1, ((char *)slide,
- "checkdir error: cannot create %sn
- unable to process %s.n", buildpath, G.filename));
- free(buildpath);
- return 3; /* path didn't exist, tried to create, failed */
- }
- created_dir = TRUE;
- } else if (!S_ISDIR(G.statbuf.st_mode)) {
- Info(slide, 1, ((char *)slide, "checkdir error: %s exists but is not directoryn
- unable to process %s.n", buildpath, G.filename));
- free(buildpath);
- return 3; /* path existed but wasn't dir */
- }
- if (too_long) {
- Info(slide, 1, ((char *)slide,
- "checkdir error: path too long: %sn", buildpath));
- free(buildpath);
- return 4; /* no room for filenames: fatal */
- }
- *end++ = '/';
- *end = ' ';
- Trace((stderr, "buildpath now = [%s]n", buildpath));
- return 0;
- } /* 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", pathcomp));
- free(buildpath);
- buildpath = end = (char *)NULL;
- return 0;
- }
- /*---------------------------------------------------------------------------
- APPEND_NAME: assume the path component is the filename; append it and
- return without checking for existence.
- ---------------------------------------------------------------------------*/
- if (FUNCTION == APPEND_NAME) {
- #ifdef SHORT_NAMES
- char *old_end = end;
- #endif
- Trace((stderr, "appending filename [%s]n", pathcomp));
- while ((*end = *pathcomp++) != ' ') {
- ++end;
- #ifdef SHORT_NAMES /* truncate name at 14 characters, typically */
- if ((end-old_end) > FILENAME_MAX) /* GRR: proper constant? */
- *(end = old_end + FILENAME_MAX) = ' ';
- #endif
- if ((end-buildpath) >= FILNAMSIZ) {
- *--end = ' ';
- Info(slide, 1, ((char *)slide,
- "checkdir warning: path too long; truncatingn
- %sn -> %sn", G.filename, buildpath));
- return 1; /* filename truncated */
- }
- }
- Trace((stderr, "buildpath now = [%s]n", buildpath));
- return 0; /* could check for existence here, prompt for new name... */
- }
- /*---------------------------------------------------------------------------
- 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.
- ---------------------------------------------------------------------------*/
- /* GRR: for VMS and TOPS-20, add up to 13 to strlen */
- if (FUNCTION == INIT) {
- Trace((stderr, "initializing buildpath to "));
- if ((buildpath = (char *)malloc(strlen(G.filename)+rootlen+1)) ==
- (char *)NULL)
- return 10;
- if ((rootlen > 0) && !renamed_fullpath) {
- strcpy(buildpath, rootpath);
- end = buildpath + rootlen;
- } else {
- *buildpath = ' ';
- end = buildpath;
- }
- Trace((stderr, "[%s]n", buildpath));
- return 0;
- }
- /*---------------------------------------------------------------------------
- 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.
- ---------------------------------------------------------------------------*/
- #if (!defined(SFX) || defined(SFX_EXDIR))
- if (FUNCTION == ROOT) {
- Trace((stderr, "initializing root path to [%s]n", pathcomp));
- if (pathcomp == (char *)NULL) {
- rootlen = 0;
- return 0;
- }
- if ((rootlen = strlen(pathcomp)) > 0) {
- if (pathcomp[rootlen-1] == '/') {
- pathcomp[--rootlen] = ' ';
- }
- if (rootlen > 0 && (stat(pathcomp, &G.statbuf) ||
- !S_ISDIR(G.statbuf.st_mode))) /* path does not exist */
- {
- if (!G.create_dirs /* || iswild(pathcomp) */ ) {
- rootlen = 0;
- return 2; /* skip (or treat as stored file) */
- }
- /* create the directory (could add loop here to scan pathcomp
- * and create more than one level, but why really necessary?) */
- if (zvs_credir(pathcomp,-1L,-1L,-1L,(char *) -1,-1,0L,-1,-1)
- == -1)
- {
- Info(slide, 1, ((char *)slide,
- "checkdir: cannot create extraction directory: %sn",
- pathcomp));
- rootlen = 0; /* path didn't exist, tried to create, and */
- return 3; /* failed: file exists, or 2+ levels required */
- }
- }
- if ((rootpath = (char *)malloc(rootlen+2)) == (char *)NULL) {
- rootlen = 0;
- return 10;
- }
- strcpy(rootpath, pathcomp);
- rootpath[rootlen++] = '/';
- rootpath[rootlen] = ' ';
- Trace((stderr, "rootpath now = [%s]n", rootpath));
- }
- return 0;
- }
- #endif /* !SFX || SFX_EXDIR */
- /*---------------------------------------------------------------------------
- END: free rootpath, immediately prior to program exit.
- ---------------------------------------------------------------------------*/
- if (FUNCTION == END) {
- Trace((stderr, "freeing rootpathn"));
- if (rootlen > 0) {
- free(rootpath);
- rootlen = 0;
- }
- return 0;
- }
- return 99; /* should never reach */
- } /* end function checkdir() */
- #ifdef MORE
- /**************************/
- /* Function screenlines() */
- /**************************/
- int screenlines()
- {
- char *envptr, *getenv();
- int n;
- /* GRR: this is overly simplistic; should use winsize struct and
- * appropriate TIOCGWINSZ ioctl(), assuming exists on enough systems
- */
- envptr = getenv("LINES");
- if (envptr == (char *)NULL || (n = atoi(envptr)) < 5)
- return 24; /* VT-100 assumed to be minimal hardware */
- else
- return n;
- }
- #endif /* MORE */
- /****************************/
- /* Function close_outfile() */
- /****************************/
- void close_outfile(__G) /* GRR: change to return PK-style warning level */
- __GDEF
- {
- /*---------------------------------------------------------------------------
- If symbolic links are supported, allocate a storage area, put the uncom-
- pressed "data" in it, and create the link. Since we know it's a symbolic
- link to start with, we shouldn't have to worry about overflowing unsigned
- ints with unsigned longs.
- ---------------------------------------------------------------------------*/
- #ifdef SYMLINKS
- if (G.symlnk) {
- unsigned ucsize = (unsigned)G.lrec.ucsize;
- char *linktarget = (char *)malloc((unsigned)G.lrec.ucsize+1);
- fclose(G.outfile); /* close "data" file... */
- G.outfile = fopen(G.filename, FOPR); /* ...and reopen for reading */
- if (!linktarget || fread(linktarget, 1, ucsize, G.outfile) !=
- (int)ucsize)
- {
- Info(slide, 0x201, ((char *)slide,
- "warning: symbolic link (%s) failedn", G.filename));
- if (linktarget)
- free(linktarget);
- fclose(G.outfile);
- return;
- }
- fclose(G.outfile); /* close "data" file for good... */
- unlink(G.filename); /* ...and delete it */
- linktarget[ucsize] = ' ';
- if (QCOND2)
- Info(slide, 0, ((char *)slide, "-> %s ", linktarget));
- if (symlink(linktarget, G.filename)) /* create the real link */
- perror("symlink error");
- free(linktarget);
- return; /* can't set time on symlinks */
- }
- #endif /* SYMLINKS */
- fclose(G.outfile);
- /*---------------------------------------------------------------------------
- Change the file permissions from default ones to those stored in the
- zipfile.
- ---------------------------------------------------------------------------*/
- #ifndef NO_CHMOD
- if (chmod(G.filename, 0xffff & G.pInfo->file_attr))
- perror("chmod (file attributes) error");
- #endif
- /*---------------------------------------------------------------------------
- AOS/VS only allows setting file times at creation but has its own permis-
- sions scheme which is better invoked here if the necessary information
- was in fact stored. In theory, we should look through an entire series
- of extra fields that might exist for the same file, but we're not going
- to bother. If we set up other types of extra fields, or if we run into
- other environments that add their own stuff to existing entries in ZIP
- files, we'll have to. NOTE: already copied extra-field stuff into
- zzextrafld structure when file was created.
- ---------------------------------------------------------------------------*/
- if (G.extra_field != NULL) {
- if (!memcmp(ZEXTRA_HEADID, zzextrafld.extra_header_id,
- sizeof(zzextrafld.extra_header_id)) &&
- !memcmp(ZEXTRA_SENTINEL, zzextrafld.extra_sentinel,
- sizeof(zzextrafld.extra_sentinel)) &&
- zzextrafld.fstat_packet.norm_fstat_packet.styp_type != $FLNK)
- /* (AOS/VS links don't have ACLs) */
- {
- /* vs_path was set (in this case) when we created the file */
- if (sys_sacl(vs_path, zzextrafld.aclbuf)) {
- Info(slide, 0x201, ((char *)slide,
- "error: cannot set ACL for %sn", G.filename));
- perror("sys_sacl()");
- }
- }
- }
- } /* end function close_outfile() */
- #ifndef SFX
- /************************/
- /* Function version() */
- /************************/
- void version(__G)
- __GDEF
- {
- #if defined(CRAY) || defined(NX_CURRENT_COMPILER_RELEASE) || defined(NetBSD)
- char buf1[40];
- #if defined(CRAY) || defined(NX_CURRENT_COMPILER_RELEASE)
- char buf2[40];
- #endif
- #endif
- /* Pyramid, NeXT have problems with huge macro expansion, too: no Info() */
- sprintf((char *)slide, LoadFarString(CompiledWith),
- #ifdef __GNUC__
- # ifdef NX_CURRENT_COMPILER_RELEASE
- (sprintf(buf1, "NeXT DevKit %d.%02d ", NX_CURRENT_COMPILER_RELEASE/100,
- NX_CURRENT_COMPILER_RELEASE%100), buf1),
- (strlen(__VERSION__) > 8)? "(gcc)" :
- (sprintf(buf2, "(gcc %s)", __VERSION__), buf2),
- # else
- "gcc ", __VERSION__,
- # endif
- #else
- # if defined(CRAY) && defined(_RELEASE)
- "cc ", (sprintf(buf1, "version %d", _RELEASE), buf1),
- # else
- # ifdef __VERSION__
- "cc ", __VERSION__,
- # else
- "cc", "",
- # endif
- # endif
- #endif
- "Unix",
- #if defined(sgi) || defined(__sgi)
- " (Silicon Graphics IRIX)",
- #else
- #ifdef sun
- # ifdef sparc
- # ifdef __SVR4
- " (Sun Sparc/Solaris)",
- # else /* may or may not be SunOS */
- " (Sun Sparc)",
- # endif
- # else
- # if defined(sun386) || defined(i386)
- " (Sun 386i)",
- # else
- # if defined(mc68020) || defined(__mc68020__)
- " (Sun 3)",
- # else /* mc68010 or mc68000: Sun 2 or earlier */
- " (Sun 2)",
- # endif
- # endif
- # endif
- #else
- #ifdef __hpux
- " (HP/UX)",
- #else
- #ifdef __osf__
- " (DEC OSF/1)",
- #else
- #ifdef _AIX
- " (IBM AIX)",
- #else
- #ifdef aiws
- " (IBM RT/AIX)",
- #else
- #if defined(CRAY) || defined(cray)
- # ifdef _UNICOS
- (sprintf(buf2, " (Cray UNICOS release %d)", _UNICOS), buf2),
- # else
- " (Cray UNICOS)",
- # endif
- #else
- #if defined(uts) || defined(UTS)
- " (Amdahl UTS)",
- #else
- #ifdef NeXT
- # ifdef mc68000
- " (NeXTStep/black)",
- # else
- " (NeXTStep for Intel)",
- # endif
- #else /* the next dozen or so are somewhat order-dependent */
- #ifdef LINUX
- # ifdef __ELF__
- " (Linux ELF)",
- # else
- " (Linux a.out)",
- # endif
- #else
- #ifdef MINIX
- " (Minix)",
- #else
- #ifdef M_UNIX
- " (SCO Unix)",
- #else
- #ifdef M_XENIX
- " (SCO Xenix)",
- #else
- #ifdef __NetBSD__
- # ifdef NetBSD0_8
- (sprintf(buf1, " (NetBSD 0.8%c)", (char)(NetBSD0_8 - 1 + 'A')), buf1),
- # else
- # ifdef NetBSD0_9
- (sprintf(buf1, " (NetBSD 0.9%c)", (char)(NetBSD0_9 - 1 + 'A')), buf1),
- # else
- # ifdef NetBSD1_0
- (sprintf(buf1, " (NetBSD 1.0%c)", (char)(NetBSD1_0 - 1 + 'A')), buf1),
- # else
- (BSD4_4 == 0.5)? " (NetBSD before 0.9)" : " (NetBSD 1.1 or later)",
- # endif
- # endif
- # endif
- #else
- #ifdef __FreeBSD__
- (BSD4_4 == 0.5)? " (FreeBSD 1.x)" : " (FreeBSD 2.0 or later)",
- #else
- #ifdef __bsdi__
- (BSD4_4 == 0.5)? " (BSD/386 1.0)" : " (BSD/386 1.1 or later)",
- #else
- #ifdef __386BSD__
- (BSD4_4 == 1)? " (386BSD, post-4.4 release)" : " (386BSD)",
- #else
- #if defined(i486) || defined(__i486) || defined(__i486__)
- " (Intel 486)",
- #else
- #if defined(i386) || defined(__i386) || defined(__i386__)
- " (Intel 386)",
- #else
- #ifdef pyr
- " (Pyramid)",
- #else
- #ifdef ultrix
- # ifdef mips
- " (DEC/MIPS)",
- # else
- # ifdef vax
- " (DEC/VAX)",
- # else /* __alpha? */
- " (DEC/Alpha)",
- # endif
- # endif
- #else
- #ifdef gould
- " (Gould)",
- #else
- #ifdef MTS
- " (MTS)",
- #else
- #ifdef __convexc__
- " (Convex)",
- #else
- "",
- #endif /* Convex */
- #endif /* MTS */
- #endif /* Gould */
- #endif /* DEC */
- #endif /* Pyramid */
- #endif /* 386 */
- #endif /* 486 */
- #endif /* 386BSD */
- #endif /* BSDI BSD/386 */
- #endif /* NetBSD */
- #endif /* FreeBSD */
- #endif /* SCO Xenix */
- #endif /* SCO Unix */
- #endif /* Minix */
- #endif /* Linux */
- #endif /* NeXT */
- #endif /* Amdahl */
- #endif /* Cray */
- #endif /* RT/AIX */
- #endif /* AIX */
- #endif /* OSF/1 */
- #endif /* HP/UX */
- #endif /* Sun */
- #endif /* SGI */
- #ifdef __DATE__
- " on ", __DATE__
- #else
- "", ""
- #endif
- );
- (*G.message)((zvoid *)&G, slide, (ulg)strlen((char *)slide), 0);
- } /* end function version() */
- #endif /* !SFX */
- /* ===================================================================
- * ZVS_CREATE()
- * Function to create a file with specified times. The times should be sent
- * as long ints in DG time format; use -1 to set to the current times. You
- * may also specify a pointer to the ACL, the file type (see PARU.H, and do
- * not specify dirs or links), the element size, and the max index level.
- * For all of these parameters you may use -1 to specify the default.
- *
- * Returns 0 if no error, or the error code returned by ?CREATE.
- *
- * HISTORY:
- * 15-dec-93 dbl
- * 31-may-94 dbl: added call to convert pathname to AOS/VS
- *
- *
- */
- int zvs_create(ZCONST char *fname, long cretim, long modtim, long acctim,
- char *pacl, int ftyp, int eltsize, int maxindlev)
- {
- P_CREATE pcr_stru;
- P_CTIM pct_stru;
- pcr_stru.cftyp_format = 0; /* unspecified record format */
- if (ftyp == -1) /* default file type to UNX */
- pcr_stru.cftyp_entry = $FUNX;
- else
- pcr_stru.cftyp_entry = ftyp;
- pcr_stru.ctim = &pct_stru;
- pcr_stru.cacp = pacl;
- pcr_stru.cdel = eltsize;
- pcr_stru.cmil = maxindlev;
- pct_stru.tcth.long_time = cretim;
- pct_stru.tath.long_time = acctim;
- pct_stru.tmth.long_time = modtim;
- return (sys_create(ux_to_vs_name(Vs_path, fname), &pcr_stru));
- } /* end zvs_create() */
- /* ===================================================================
- * ZVS_CREDIR()
- * Function to create a dir as specified. The times should be sent
- * as long ints in DG time format; use -1 to set to the current times. You
- * may also specify a pointer to the ACL, the file type (either $FDIR or $FCPD; see PARU.H),
- * the max # blocks (if a CPD), the hash frame size, and the max index level.
- * For all of these parameters (except for the CPD's maximum blocks),
- * you may use -1 to specify the default.
- *
- * (The System Call Dictionary says both that you may specify a
- * maximum-index-level value up to the maximum, with 0 for a contiguous
- * directory, and that 3 is always used for this whatever you specify.)
- *
- * If you specify anything other than CPD for the file type, DIR will
- * be used.
- *
- * Returns 0 if no error, or the error code returned by ?CREATE.
- *
- * HISTORY:
- * 1-jun-94 dbl
- *
- *
- */
- int zvs_credir(ZCONST char *dname, long cretim, long modtim, long acctim,
- char *pacl, int ftyp, long maxblocks, int hashfsize,
- int maxindlev)
- {
- P_CREATE_DIR pcr_stru;
- P_CTIM pct_stru;
- if (ftyp != $FCPD) /* default file type to UNX */
- pcr_stru.cftyp_entry = $FDIR;
- else
- {
- pcr_stru.cftyp_entry = ftyp;
- pcr_stru.cmsh = maxblocks;
- }
- pcr_stru.ctim = &pct_stru;
- pcr_stru.cacp = pacl;
- pcr_stru.chfs = hashfsize;
- pcr_stru.cmil = maxindlev;
- pct_stru.tcth.long_time = cretim;
- pct_stru.tath.long_time = acctim;
- pct_stru.tmth.long_time = modtim;
- return (sys_create(ux_to_vs_name(Vs_path, dname), &pcr_stru));
- } /* end zvs_credir() */
- /* ===================================================================
- * UX_TO_VS_NAME() - makes a somewhat dumb pass at converting a Unix
- * filename to an AOS/VS filename. This should
- * be just about adequate to handle the results
- * of similarly-simple AOS/VS-to-Unix conversions
- * in the ZIP program. It does not guarantee a
- * legal AOS/VS filename for every Unix filename;
- * conspicuous examples would be names with
- * embedded ./ and ../ (which will receive no
- * special treatment).
- *
- * RETURNS: pointer to the result (which is an input parameter)
- *
- * NOTE: calling code is responsible for making sure
- * the output buffer is big enough!
- *
- * HISTORY:
- * 31-may-94 dbl
- *
- */
- char *ux_to_vs_name(char *outname, ZCONST char *inname)
- {
- ZCONST char *ip=inname, *op=outname;
- if (ip[0] == '.') {
- if (ip[1] == '/') {
- *(op++) = '=';
- ip += 2;
- } else if (ip[1] == '.' && ip[2] == '/') {
- *(op++) = '^';
- ip += 3;
- }
- }
- do {
- if (*ip == '/')
- *(op++) = ':';
- else if (strchr(
- "0123456789_$?.abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ",
- *ip) != NULL)
- {
- *(op++) = *ip;
- } else
- *(op++) = '?';
- } while (*(ip++) != ' ');
- return outname;
- } /* end ux_to_vs_name() */
- /* =================================================================== */
- /* DGDATE
- Two functions do encode/decode dates in DG system format.
- Usage:
- long value,year,month,day;
- value=dgdate(month,day,year);
- undgdate(value,&month,&day,&year); [GRR: not used in UnZip: removed]
- Notes:
- 1. DG date functions only work on dates within the range
- Jan 1, 1968 through Dec 31, 2099. I have tested these
- functions through the same range with exact agreement.
- For dates outside of that range, the DG system calls
- may return different values than these functions.
- 2. dgundate() accepts values between 0 and 48213 inclusive.
- These correspond to 12/31/1967 and 12/31/2099.
- 3. Both functions assume the data is in the native OS byte
- order. So if you're reading or writing these fields from
- a file that has been passed between AOS/VS and PC-DOS you
- will need to swap byte order.
- 4. With reference to byte order, the entire range of values
- supported by these functions will fit into an unsigned
- short int. In most cases the input or output will be
- in that variable type. You are better off casting the
- value to/from unsigned short so you only need to concern
- yourself with swapping two bytes instead of four.
- Written by: Stanley J. Gula
- US&T, Inc.
- 529 Main Street, Suite 1
- Indian Orchard, MA 01151
- (413)-543-3672
- Copyright (c) 1990 US&T, Inc.
- All rights reserved.
- I hereby release these functions into the public
- domain. You may use these routines freely as long
- as the US&T copyright remains intact in the source
- code.
- Stanley J. Gula July 24, 1990
- */
- long motable[13]={0,31,59,90,120,151,181,212,243,273,304,334,365};
- long yrtable[132]={
- 366, 731, 1096, 1461, 1827, 2192, 2557, 2922, 3288, 3653,
- 4018, 4383, 4749, 5114, 5479, 5844, 6210, 6575, 6940, 7305,
- 7671, 8036, 8401, 8766, 9132, 9497, 9862,10227,10593,10958,
- 11323,11688,12054,12419,12784,13149,13515,13880,14245,14610,
- 14976,15341,15706,16071,16437,16802,17167,17532,17898,18263,
- 18628,18993,19359,19724,20089,20454,20820,21185,21550,21915,
- 22281,22646,23011,23376,23742,24107,24472,24837,25203,25568,
- 25933,26298,26664,27029,27394,27759,28125,28490,28855,29220,
- 29586,29951,30316,30681,31047,31412,31777,32142,32508,32873,
- 33238,33603,33969,34334,34699,35064,35430,35795,36160,36525,
- 36891,37256,37621,37986,38352,38717,39082,39447,39813,40178,
- 40543,40908,41274,41639,42004,42369,42735,43100,43465,43830,
- 44196,44561,44926,45291,45657,46022,46387,46752,47118,47483,
- 47848,48213};
- /* Given y,m,d return # of days since 12/31/67 */
- long int dgdate(short mm, short dd, short yy)
- {
- long int temp;
- short ytmp;
- if (mm<1 || mm>12 || dd<1 || dd>31 || yy<1968 || yy>2099)
- return 0L;
- /* Figure in whole years since 1968 + whole months plus days */
- temp=365L*(long)(yy-1968) + motable[mm-1] + (long)dd;
- /* Adjust for leap years - note we don't account for skipped leap
- year in years divisible by 1000 but not by 4000. We're correct
- through the year 2099 */
- temp+=(yy-1965)/4;
- /* Correct for this year */
- /* In leap years, if date is 3/1 or later, bump */
- if ((yy%4==0) && (mm>2))
- temp++;
- return temp;
- }