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/*
* $Header: /cvsroot/arc/arc/arcdel.c,v 1.2 2003/10/31 02:22:36 highlandsun Exp $
*/
/*
* ARC - Archive utility - ARCDEL
*
* Version 2.09, created on 02/03/86 at 22:53:27
*
* (C) COPYRIGHT 1985 by System Enhancement Associates; ALL RIGHTS RESERVED
*
* By: Thom Henderson
*
* Description: This file contains the routines used to delete entries in an
* archive.
*
* Language: Computer Innovations Optimizing C86
*/
#include <stdio.h>
#include "arc.h"
VOID arcdie(), rempath(), openarc(), closearc(), writehdr(), filecopy();
int match(), readhdr();
VOID
delarc(num, arg) /* remove files from archive */
int num; /* number of arguments */
char *arg[]; /* pointers to arguments */
{
struct heads hdr; /* header data */
int del; /* true to delete a file */
int did[MAXARG];/* true when argument used */
int n; /* index */
if (!num) /* she must specify which */
arcdie("You must tell me which files to delete!");
for (n = 0; n < num; n++) /* for each argument */
did[n] = 0; /* reset usage flag */
rempath(num, arg); /* strip off paths */
openarc(1); /* open archive for changes */
while (readhdr(&hdr, arc)) { /* while more entries in archive */
del = 0; /* reset delete flag */
for (n = 0; n < num; n++) { /* for each template given */
if (match(hdr.name, arg[n])) {
del = 1; /* turn on delete flag */
did[n] = 1; /* turn on usage flag */
break; /* stop looking */
}
}
if (del) { /* skip over unwanted files */
fseek(arc, hdr.size, 1);
if (note)
printf("Deleting file: %s\n", hdr.name);
} else { /* else copy over file data */
writehdr(&hdr, new); /* write out header and file */
filecopy(arc, new, hdr.size);
}
}
hdrver = 0; /* special end of archive type */
writehdr(&hdr, new); /* write out archive end marker */
closearc(1); /* close archive after changes */
if (note) {
for (n = 0; n < num; n++) { /* report unused arguments */
if (!did[n]) {
printf("File not found: %s\n", arg[n]);
nerrs++;
}
}
}
}
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