330 lines
7.5 KiB
C
330 lines
7.5 KiB
C
/*
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Copyright (c) 1990-2007 Info-ZIP. All rights reserved.
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See the accompanying file LICENSE, version 2000-Apr-09 or later
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(the contents of which are also included in unzip.h) for terms of use.
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If, for some reason, all these files are missing, the Info-ZIP license
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also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html
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*/
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/*---------------------------------------------------------------------------
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tops20.c
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TOPS20-specific routines for use with Info-ZIP's UnZip 5.1 and later.
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Contains: mapattr()
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close_outfile()
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version()
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upper()
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enquote()
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dequote()
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fnlegal()
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(not yet ported: do_wild(), mapname(), checkdir(), ...)
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---------------------------------------------------------------------------*/
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#define UNZIP_INTERNAL
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#include "unzip.h"
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/**********************/
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/* Function mapattr() */
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/**********************/
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int mapattr(__G) /* just like Unix except no umask() */
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__GDEF
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{
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ulg tmp = G.crec.external_file_attributes;
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switch (G.pInfo->hostnum) {
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case UNIX_:
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case VMS_:
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case ACORN_:
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case ATARI_:
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case ATHEOS_:
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case BEOS_:
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case QDOS_:
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G.pInfo->file_attr = (unsigned)(tmp >> 16);
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break;
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case AMIGA_:
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tmp = (unsigned)(tmp>>1 & 7); /* Amiga RWE bits */
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G.pInfo->file_attr = (unsigned)(tmp<<6 | tmp<<3 | tmp);
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break;
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case FS_FAT_: /* MSDOS half of attributes should always be correct */
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case FS_HPFS_:
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case FS_NTFS_:
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case MAC_:
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case TOPS20_:
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default:
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tmp = !(tmp & 1) << 1; /* read-only bit --> write perms bits */
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G.pInfo->file_attr = (unsigned)(0444 | tmp<<6 | tmp<<3 | tmp);
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break;
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#if 0
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case ATARI_:
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case TOPS20_:
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default:
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G.pInfo->file_attr = 0666;
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break;
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#endif
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} /* end switch (host-OS-created-by) */
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return 0;
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} /* end function mapattr() */
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/****************************/
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/* Function close_outfile() */
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/****************************/
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void close_outfile(__G)
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__GDEF
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{
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# define JSYS_CLASS 0070000000000
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# define FLD(val,mask) (((unsigned)(val)*((mask)&(-(mask))))&(mask))
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# define _DEFJS(name,class) (FLD(class,JSYS_CLASS) | (monsym(name)&0777777))
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# define IDTIM _DEFJS("IDTIM%", 1)
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# define SFTAD _DEFJS("SFTAD%", 0)
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# define YRBASE 1900
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int ablock[5], tblock[2];
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int yr, mo, dy, hh, mm, ss;
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char temp[100];
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unsigned tad;
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#ifdef USE_EF_UT_TIME
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iztimes z_utime;
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struct tm *t;
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/* skip restoring time stamps on user's request */
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if (uO.D_flag <= 1) {
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if (G.extra_field &&
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#ifdef IZ_CHECK_TZ
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G.tz_is_valid &&
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#endif
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(ef_scan_for_izux(G.extra_field, G.lrec.extra_field_length, 0,
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G.lrec.last_mod_dos_date, &z_utime, NULL)
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& EB_UT_FL_MTIME))
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t = localtime(&(z_utime.mtime));
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else
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t = (struct tm *)NULL;
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if (t != (struct tm *)NULL)
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{
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yr = t->tm_year + 1900;
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mo = t->tm_mon;
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dy = t->tm_mday;
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hh = t->tm_hour;
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mm = t->tm_min;
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ss = t->tm_sec;
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}
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else
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{
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/* dissect the date */
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yr = ((G.lrec.last_mod_dos_date >> 9) & 0x7f) + 1980;
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mo = ((G.lrec.last_mod_dos_date >> 5) & 0x0f) - 1;
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dy = (G.lrec.last_mod_dos_date & 0x1f);
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/* dissect the time */
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hh = (G.lrec.last_mod_dos_time >> 11) & 0x1f;
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mm = (G.lrec.last_mod_dos_time >> 5) & 0x3f;
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ss = (G.lrec.last_mod_dos_time & 0x1f) * 2;
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}
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#else /* !USE_EF_UT_TIME */
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/* dissect the date */
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yr = ((G.lrec.last_mod_dos_datetime >> 25) & 0x7f) + (1980 - YRBASE);
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mo = (G.lrec.last_mod_dos_datetime >> 21) & 0x0f;
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dy = (G.lrec.last_mod_dos_datetime >> 16) & 0x1f;
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/* dissect the time */
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hh = (G.lrec.last_mod_dos_datetime >> 11) & 0x1f;
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mm = (G.lrec.last_mod_dos_datetime >> 5) & 0x3f;
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ss = (G.lrec.last_mod_dos_datetime << 1) & 0x1f;
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#endif /* ?USE_EF_UT_TIME */
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sprintf(temp, "%02d/%02d/%02d %02d:%02d:%02d", mo, dy, yr, hh, mm, ss);
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ablock[1] = (int)(temp - 1);
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ablock[2] = 0;
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if (!jsys(IDTIM, ablock)) {
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Info(slide, 1, ((char *)slide, "error: IDTIM failure for %s\n",
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G.filename));
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fclose(G.outfile);
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return;
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}
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tad = ablock[2];
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tblock[0] = tad;
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tblock[1] = tad;
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tblock[2] = -1;
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ablock[1] = fcntl(fileno(G.outfile), F_GETSYSFD, 0);
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/* _uffd[outfd]->uf_ch */
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ablock[2] = (int) tblock;
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ablock[3] = 3;
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if (!jsys(SFTAD, ablock))
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Info(slide, 1,((char *)slide,
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"error: cannot set the time for %s\n", G.filename));
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} /* if (uO.D_flag <= 1) */
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fclose(G.outfile);
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} /* end function close_outfile() */
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#ifndef SFX
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/************************/
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/* Function version() */
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/************************/
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void version(__G)
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__GDEF
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{
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#if 0
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char buf[40];
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#endif
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sprintf((char *)slide, LoadFarString(CompiledWith),
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#ifdef __GNUC__
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"gcc ", __VERSION__,
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#else
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# if 0
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"cc ", (sprintf(buf, " version %d", _RELEASE), buf),
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# else
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# ifdef __COMPILER_KCC__
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"KCC", "",
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# else
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"unknown compiler", "",
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# endif
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# endif
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#endif
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"TOPS-20",
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#if defined(foobar) || defined(FOOBAR)
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" (Foo BAR)", /* OS version or hardware */
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#else
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"",
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#endif /* Foo BAR */
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#ifdef __DATE__
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" on ", __DATE__
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#else
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"", ""
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#endif
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);
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(*G.message)((zvoid *)&G, slide, (ulg)strlen((char *)slide), 0);
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} /* end function version() */
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#endif /* !SFX */
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/**********************/
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/* Function upper() */
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/**********************/
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int upper(s) /* returns s in uppercase */
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char *s; /* string to be uppercased */
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{
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for (; *s; ++s)
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*s = toupper(*s);
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}
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/************************/
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/* Function enquote() */
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/************************/
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int enquote(s) /* calls dequote(s) to normalize string, then */
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char *s; /* inserts ^Vs before otherwise illegal characters */
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{ /* in s, assuming that s is a TOPS-20 filename */
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char d[100];
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char *p, *q;
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char c;
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if (s && *s) {
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dequote(s);
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p = s - 1;
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q = d - 1;
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while (c = *++p) {
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if (!fnlegal(c))
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*++q = '\026';
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*++q = c;
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}
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*++q = '\0';
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strcpy(s, d);
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}
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return 0;
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}
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/************************/
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/* Function dequote() */
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/************************/
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int dequote(s) /* returns s without ^Vs */
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char *s; /* string to be dequoted */
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{
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char d[100];
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char *p, *q;
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int c;
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if (s && *s) {
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p = s - 1;
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q = d - 1;
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while (c = *++p)
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if (c != '\026')
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*++q = c;
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*++q = '\0';
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strcpy(s, d);
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}
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return 0;
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}
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/************************/
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/* Function fnlegal() */
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/************************/
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int fnlegal(c) /* returns TRUE if c is a member of the */
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char c; /* legal character set for filenames */
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{
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char *q;
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static char *legals = {"$%**-<>>AZ[[]]__az"};
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q = legals;
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while (*q)
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if (c < *q++)
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break;
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else if (c <= *q++)
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return TRUE;
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return FALSE;
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}
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