Ins.MRC.AdhocNet.CA%Stasis.MRC.AdhocNet.CA%UNCAEDU.
From: [email-masked] (Ed Wilts)
Newsgroups: comp.os.vms
Subject: ARC_C.SHAR06_OF_19
Message-ID: <[email-masked]>
Date: 24 Jun 88 15:24:28 GMT
Sender: [email-masked]
Organization: The Internet
Lines: 212

$Part06:
$ File_is="ARCLST.C"
$ Check_Sum_is=2032959550
$ Copy SYS$Input VMS_SHAR_DUMMY.DUMMY
Xstatic char *RCSid = "$Header: arclst.c,v 1.2 86/07/15 07:53:15 turner Exp $";
X
X/*
X * $Log:`009arclst.c,v $
X * Hack-attack 1.3  86/12/20  01:23:45  [email-masked]
X * `009Bludgeoned into submission for VAX 11/780 BSD4.2
X *`009(ugly code, but fewer core dumps)
X *
X * Revision 1.2  86/07/15  07:53:15  turner
X *
X *
X * Revision 1.1  86/06/26  15:00:23  turner
X * initial version
X *
X *
X */
X
X/*  ARC - Archive utility - ARCLST
X
X$define(tag,$$segment(@1,$$index(@1,=)+1))#
X$define(version,Version $tag(
XTED_VERSION DB =2.34), created on $tag(
XTED_DATE DB =02/03/86) at $tag(
XTED_TIME DB =22:56:57))#
X$undefine(tag)#
X    $version
X
X(C) COPYRIGHT 1985 by System Enhancement Associates; ALL RIGHTS RESERVED
X
X    By:  Thom Henderson
X
X    Description:
X         This file contains the routines used to list the contents
X         of an archive.
X
X    Language:
X         Computer Innovations Optimizing C86
X*/
X#include <stdio.h>
X#include "arc.h"
X
XINT lstarc(num,arg)                        /* list files in archive */
XINT num;                               /* number of arguments */
Xchar *arg[];                           /* pointers to arguments */
X{
X    struct heads hdr;                  /* header data */
X INT list;                          /* true to list a file */
X INT did[MAXARG];                  /* true when argument was used */
X    long tnum, tlen, tsize;            /* totals */
X INT n;                             /* index */
X    INT lstfile();
X
X    tnum = tlen = tsize = 0;           /* reset totals */
X
X    for(n=0; n<num; n++)               /* for each argument */
X         did[n] = 0;                   /* reset usage flag */
X    rempath(num,arg);                  /* strip off paths */
X
X    if(!kludge)
X    {    printf("Name          Length  ");
X         if(bose)
X              printf("  Stowage    SF   Size now");
X         printf("  Date     ");
X         if(bose)
X              printf("  Time    CRC");
X         printf("\n");
X
X         printf("============  ========");
X         if(bose)
X              printf("  ========  ====  ========");
X         printf("  =========");
X         if(bose)
X              printf("  ======  ====");
X         printf("\n");
X    }
X
X    openarc(0);                        /* open archive for reading */
X
X    if(num)                            /* if files were named */
X    {    while(readhdr(&hdr,arc))      /* process all archive files */
X         {    list = 0;                /* reset list flag */
X              for(n=0; n<num; n++)     /* for each template given */
X              {    if(match(hdr.name,arg[n]))
X                   {    list = 1;      /* turn on list flag */
X                        did[n] = 1;    /* turn on usage flag */
X                        break;         /* stop looking */
X                   }
X              }
X
X              if(list)                 /* if this file is wanted */
X              {    if(!kludge)
X                        lstfile(&hdr); /* then tell about it */
X                   tnum++;             /* update totals */
X                   tlen += hdr.length;
X                   tsize += hdr.size;
X              }
X
X              fseek(arc,hdr.size,1);   /* move to next header */
X         }
X    }
X
X    else while(readhdr(&hdr,arc))      /* else report on all files */
X    {    if(!kludge)
X              lstfile(&hdr);
X         tnum++;                       /* update totals */
X         tlen += hdr.length;
X         tsize += hdr.size;
X         fseek(arc,hdr.size,1);        /* skip to next header */
X    }
X
X    closearc(0);                       /* close archive after reading */
X
X    if(!kludge)
X    {    printf("        ====  ========");
X         if(bose)
X              printf("            ====  ========");
X         printf("\n");
X    }
X
X    printf("Total %6ld  %8ld  ",tnum,tlen);
X    if(bose)
X/*
X * To get around divide by zero error's, check for a zero length tsize.
X * pop a one in place of zero...
X */
X`009if (tlen)
X         printf("          %3ld%%  %8ld  ",100L - (100L*tsize)/tlen,tsize);
X`009else
X         printf("          %3ld%%  %8ld  ",0,tsize);
X
X    printf("\n");
X
X    if(note)
X    {    for(n=0; n<num; n++)          /* report unused args */
X         {    if(!did[n])
X              {    printf("File not found: %s\n",arg[n]);
X                   nerrs++;
X              }
X         }
X    }
X}
X
Xstatic INT lstfile(hdr)                    /* tell about a file */
Xstruct heads *hdr;                     /* pointer to header data */
X{
X INT yr, mo, dy;                    /* parts of a date */
X INT hh, mm, ss;                    /* parts of a time */
X
X    static char *mon[] =               /* month abbreviations */
X    {    "Jan",    "Feb",    "Mar",    "Apr",
X         "May",    "Jun",    "Jul",    "Aug",
X         "Sep",    "Oct",    "Nov",    "Dec"
X    };
X
X    yr = (hdr->date >> 9) & 0x7f;      /* dissect the date */
X    mo = (hdr->date >> 5) & 0x0f;
X    dy = hdr->date & 0x1f;
X
X    hh = (hdr->time >> 11) & 0x1f;     /* dissect the time */
X    mm = (hdr->time >> 5) & 0x3f;
X    ss = (hdr->time & 0x1f) * 2;
X
X    printf("%-12s  %8ld  ",hdr->name,hdr->length);
X
X    if(bose)
X    {    switch(hdrver)
X         {
X         case 1:
X         case 2:
X              printf("   --   ");
X              break;
X         case 3:
X              printf(" Packed ");
X              break;
X         case 4:
X              printf("Squeezed");
X              break;
X         case 5:
X         case 6:
X         case 7:
X              printf("crunched");
X              break;
X         case 8:
X              printf("Crunched");
X              break;
X`009 case 9:
X`009      printf("Squashed");
X`009      break;
X         default:
X              printf("Unknown!");
X         }
X
X         printf("  %3d%%",100L - (100L*hdr->size)/hdr->length);
X         printf("  %8ld  ",hdr->size);
X    }
X
X    printf("%2d %3s %02d", dy, mon[mo-1], (yr+80)%100);
X
X    if(bose)
X         printf("  %2d:%02d%c  %04x",
X              (hh>12?hh-12:hh), mm, (hh>12?'p':'a'),
X              (unsigned INT)hdr->crc);
X
X    printf("\n");
X}
X
$ GoSub Convert_File
$ Goto Part08