547 lines
12 KiB
C
547 lines
12 KiB
C
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/*-
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* Copyright (c) 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char copyright[] =
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"@(#) Copyright (c) 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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static char sccsid[] = "@(#)rs.c 8.1 (Berkeley) 6/6/93";
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#endif /* not lint */
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/*
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* rs - reshape a data array
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* Author: John Kunze, Office of Comp. Affairs, UCB
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* BEWARE: lots of unfinished edges
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*/
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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long flags;
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#define TRANSPOSE 000001
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#define MTRANSPOSE 000002
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#define ONEPERLINE 000004
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#define ONEISEPONLY 000010
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#define ONEOSEPONLY 000020
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#define NOTRIMENDCOL 000040
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#define SQUEEZE 000100
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#define SHAPEONLY 000200
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#define DETAILSHAPE 000400
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#define RIGHTADJUST 001000
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#define NULLPAD 002000
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#define RECYCLE 004000
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#define SKIPPRINT 010000
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#define ICOLBOUNDS 020000
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#define OCOLBOUNDS 040000
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#define ONEPERCHAR 0100000
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#define NOARGS 0200000
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short *colwidths;
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short *cord;
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short *icbd;
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short *ocbd;
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int nelem;
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char **elem;
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char **endelem;
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char *curline;
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int allocsize = BUFSIZ;
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int curlen;
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int irows, icols;
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int orows, ocols;
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int maxlen;
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int skip;
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int propgutter;
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char isep = ' ', osep = ' ';
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int owidth = 80, gutter = 2;
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void error __P((char *, char *));
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void getargs __P((int, char *[]));
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void getfile __P((void));
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int getline __P((void));
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char *getlist __P((short **, char *));
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char *getnum __P((int *, char *, int));
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char **getptrs __P((char **));
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void prepfile __P((void));
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void prints __P((char *, int));
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void putfile __P((void));
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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getargs(argc, argv);
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getfile();
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if (flags & SHAPEONLY) {
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printf("%d %d\n", irows, icols);
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exit(0);
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}
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prepfile();
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putfile();
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exit(0);
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}
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void
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getfile()
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{
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register char *p;
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register char *endp;
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register char **ep = 0;
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int multisep = (flags & ONEISEPONLY ? 0 : 1);
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int nullpad = flags & NULLPAD;
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char **padto;
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while (skip--) {
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getline();
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if (flags & SKIPPRINT)
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puts(curline);
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}
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getline();
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if (flags & NOARGS && curlen < owidth)
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flags |= ONEPERLINE;
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if (flags & ONEPERLINE)
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icols = 1;
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else /* count cols on first line */
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for (p = curline, endp = curline + curlen; p < endp; p++) {
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if (*p == isep && multisep)
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continue;
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icols++;
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while (*p && *p != isep)
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p++;
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}
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ep = getptrs(elem);
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p = curline;
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do {
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if (flags & ONEPERLINE) {
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*ep++ = curline;
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if (maxlen < curlen)
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maxlen = curlen;
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irows++;
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continue;
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}
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for (p = curline, endp = curline + curlen; p < endp; p++) {
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if (*p == isep && multisep)
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continue; /* eat up column separators */
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if (*p == isep) /* must be an empty column */
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*ep = "";
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else /* store column entry */
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*ep = p;
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while (p < endp && *p != isep)
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p++; /* find end of entry */
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*p = '\0'; /* mark end of entry */
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if (maxlen < p - *ep) /* update maxlen */
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maxlen = p - *ep;
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ep++; /* prepare for next entry */
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}
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irows++; /* update row count */
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if (nullpad) { /* pad missing entries */
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padto = elem + irows * icols;
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while (ep < padto)
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*ep++ = "";
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}
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if (ep > endelem) /* if low on pointers */
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ep = getptrs(ep); /* get some more */
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} while (getline() != EOF);
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*ep = 0; /* mark end of pointers */
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nelem = ep - elem;
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}
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void
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putfile()
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{
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register char **ep;
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register int i, j;
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ep = elem;
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if (flags & TRANSPOSE)
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for (i = 0; i < orows; i++) {
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for (j = i; j < nelem; j += orows)
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prints(ep[j], (j - i) / orows);
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putchar('\n');
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}
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else
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for (i = 0; i < orows; i++) {
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for (j = 0; j < ocols; j++)
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prints(*ep++, j);
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putchar('\n');
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}
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}
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void
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prints(s, col)
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char *s;
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int col;
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{
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register int n;
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register char *p = s;
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while (*p)
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p++;
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n = (flags & ONEOSEPONLY ? 1 : colwidths[col] - (p - s));
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if (flags & RIGHTADJUST)
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while (n-- > 0)
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putchar(osep);
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for (p = s; *p; p++)
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putchar(*p);
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while (n-- > 0)
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putchar(osep);
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}
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void
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error(msg, s)
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char *msg, *s;
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{
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fprintf(stderr, "rs: ");
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fprintf(stderr, msg, s);
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fprintf(stderr,
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"\nUsage: rs [ -[csCS][x][kKgGw][N]tTeEnyjhHm ] [ rows [ cols ] ]\n");
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exit(1);
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}
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void
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prepfile()
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{
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register char **ep;
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register int i;
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register int j;
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char **lp;
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int colw;
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int max = 0;
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int n;
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if (!nelem)
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exit(0);
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gutter += maxlen * propgutter / 100.0;
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colw = maxlen + gutter;
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if (flags & MTRANSPOSE) {
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orows = icols;
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ocols = irows;
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}
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else if (orows == 0 && ocols == 0) { /* decide rows and cols */
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ocols = owidth / colw;
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if (ocols == 0)
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fprintf(stderr, "Display width %d is less than column width %d\n", owidth, colw);
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if (ocols > nelem)
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ocols = nelem;
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orows = nelem / ocols + (nelem % ocols ? 1 : 0);
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}
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else if (orows == 0) /* decide on rows */
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orows = nelem / ocols + (nelem % ocols ? 1 : 0);
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else if (ocols == 0) /* decide on cols */
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ocols = nelem / orows + (nelem % orows ? 1 : 0);
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lp = elem + orows * ocols;
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while (lp > endelem) {
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getptrs(elem + nelem);
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lp = elem + orows * ocols;
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}
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if (flags & RECYCLE) {
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for (ep = elem + nelem; ep < lp; ep++)
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*ep = *(ep - nelem);
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nelem = lp - elem;
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}
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if (!(colwidths = (short *) malloc(ocols * sizeof(short))))
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error("malloc: No gutter space", "");
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if (flags & SQUEEZE) {
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if (flags & TRANSPOSE)
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for (ep = elem, i = 0; i < ocols; i++) {
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for (j = 0; j < orows; j++)
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if ((n = strlen(*ep++)) > max)
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max = n;
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colwidths[i] = max + gutter;
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}
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else
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for (i = 0; i < ocols; i++) {
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for (j = i; j < nelem; j += ocols)
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if ((n = strlen(ep[j])) > max)
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max = n;
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colwidths[i] = max + gutter;
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}
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}
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/* for (i = 0; i < orows; i++) {
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for (j = i; j < nelem; j += orows)
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prints(ep[j], (j - i) / orows);
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putchar('\n');
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}
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else
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for (i = 0; i < orows; i++) {
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for (j = 0; j < ocols; j++)
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prints(*ep++, j);
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putchar('\n');
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}*/
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else
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for (i = 0; i < ocols; i++)
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colwidths[i] = colw;
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if (!(flags & NOTRIMENDCOL)) {
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if (flags & RIGHTADJUST)
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colwidths[0] -= gutter;
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else
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colwidths[ocols - 1] = 0;
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}
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n = orows * ocols;
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if (n > nelem && (flags & RECYCLE))
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nelem = n;
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/*for (i = 0; i < ocols; i++)
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fprintf(stderr, "%d ",colwidths[i]);
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fprintf(stderr, "is colwidths, nelem %d\n", nelem);*/
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}
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#define BSIZE 2048
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char ibuf[BSIZE]; /* two screenfuls should do */
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int
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getline() /* get line; maintain curline, curlen; manage storage */
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{
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static int putlength;
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static char *endblock = ibuf + BSIZE;
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register char *p;
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register int c, i;
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if (!irows) {
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curline = ibuf;
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putlength = flags & DETAILSHAPE;
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}
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else if (skip <= 0) { /* don't waste storage */
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curline += curlen + 1;
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if (putlength) /* print length, recycle storage */
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printf(" %d line %d\n", curlen, irows);
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}
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if (!putlength && endblock - curline < BUFSIZ) { /* need storage */
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/*ww = endblock-curline; tt += ww;*/
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/*printf("#wasted %d total %d\n",ww,tt);*/
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if (!(curline = (char *) malloc(BSIZE)))
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error("File too large", "");
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endblock = curline + BSIZE;
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/*printf("#endb %d curline %d\n",endblock,curline);*/
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}
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for (p = curline, i = 1; i < BUFSIZ; *p++ = c, i++)
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if ((c = getchar()) == EOF || c == '\n')
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break;
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*p = '\0';
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curlen = i - 1;
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return(c);
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}
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char **
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getptrs(sp)
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char **sp;
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{
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register char **p, **ep;
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for (;;) {
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allocsize += allocsize;
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if (!(p = (char **) malloc(allocsize * sizeof(char *)))) {
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perror("rs");
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exit(1);
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}
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if ((endelem = p + allocsize - icols) <= p) {
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free(p);
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continue;
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}
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if (elem != 0)
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free(elem);
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ep = elem;
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elem = p;
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while (ep < sp)
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*p++ = *ep++;
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return(p);
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}
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}
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void
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getargs(ac, av)
|
||
|
|
int ac;
|
||
|
|
char *av[];
|
||
|
|
{
|
||
|
|
register char *p;
|
||
|
|
|
||
|
|
if (ac == 1) {
|
||
|
|
flags |= NOARGS | TRANSPOSE;
|
||
|
|
}
|
||
|
|
while (--ac && **++av == '-')
|
||
|
|
for (p = *av+1; *p; p++)
|
||
|
|
switch (*p) {
|
||
|
|
case 'T':
|
||
|
|
flags |= MTRANSPOSE;
|
||
|
|
case 't':
|
||
|
|
flags |= TRANSPOSE;
|
||
|
|
break;
|
||
|
|
case 'c': /* input col. separator */
|
||
|
|
flags |= ONEISEPONLY;
|
||
|
|
case 's': /* one or more allowed */
|
||
|
|
if (p[1])
|
||
|
|
isep = *++p;
|
||
|
|
else
|
||
|
|
isep = '\t'; /* default is ^I */
|
||
|
|
break;
|
||
|
|
case 'C':
|
||
|
|
flags |= ONEOSEPONLY;
|
||
|
|
case 'S':
|
||
|
|
if (p[1])
|
||
|
|
osep = *++p;
|
||
|
|
else
|
||
|
|
osep = '\t'; /* default is ^I */
|
||
|
|
break;
|
||
|
|
case 'w': /* window width, default 80 */
|
||
|
|
p = getnum(&owidth, p, 0);
|
||
|
|
if (owidth <= 0)
|
||
|
|
error("Width must be a positive integer", "");
|
||
|
|
break;
|
||
|
|
case 'K': /* skip N lines */
|
||
|
|
flags |= SKIPPRINT;
|
||
|
|
case 'k': /* skip, do not print */
|
||
|
|
p = getnum(&skip, p, 0);
|
||
|
|
if (!skip)
|
||
|
|
skip = 1;
|
||
|
|
break;
|
||
|
|
case 'm':
|
||
|
|
flags |= NOTRIMENDCOL;
|
||
|
|
break;
|
||
|
|
case 'g': /* gutter space */
|
||
|
|
p = getnum(&gutter, p, 0);
|
||
|
|
break;
|
||
|
|
case 'G':
|
||
|
|
p = getnum(&propgutter, p, 0);
|
||
|
|
break;
|
||
|
|
case 'e': /* each line is an entry */
|
||
|
|
flags |= ONEPERLINE;
|
||
|
|
break;
|
||
|
|
case 'E':
|
||
|
|
flags |= ONEPERCHAR;
|
||
|
|
break;
|
||
|
|
case 'j': /* right adjust */
|
||
|
|
flags |= RIGHTADJUST;
|
||
|
|
break;
|
||
|
|
case 'n': /* null padding for missing values */
|
||
|
|
flags |= NULLPAD;
|
||
|
|
break;
|
||
|
|
case 'y':
|
||
|
|
flags |= RECYCLE;
|
||
|
|
break;
|
||
|
|
case 'H': /* print shape only */
|
||
|
|
flags |= DETAILSHAPE;
|
||
|
|
case 'h':
|
||
|
|
flags |= SHAPEONLY;
|
||
|
|
break;
|
||
|
|
case 'z': /* squeeze col width */
|
||
|
|
flags |= SQUEEZE;
|
||
|
|
break;
|
||
|
|
/*case 'p':
|
||
|
|
ipagespace = atoi(++p); (default is 1)
|
||
|
|
break;*/
|
||
|
|
case 'o': /* col order */
|
||
|
|
p = getlist(&cord, p);
|
||
|
|
break;
|
||
|
|
case 'b':
|
||
|
|
flags |= ICOLBOUNDS;
|
||
|
|
p = getlist(&icbd, p);
|
||
|
|
break;
|
||
|
|
case 'B':
|
||
|
|
flags |= OCOLBOUNDS;
|
||
|
|
p = getlist(&ocbd, p);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
error("Bad flag: %.1s", p);
|
||
|
|
}
|
||
|
|
/*if (!osep)
|
||
|
|
osep = isep;*/
|
||
|
|
switch (ac) {
|
||
|
|
/*case 3:
|
||
|
|
opages = atoi(av[2]);*/
|
||
|
|
case 2:
|
||
|
|
ocols = atoi(av[1]);
|
||
|
|
case 1:
|
||
|
|
orows = atoi(av[0]);
|
||
|
|
case 0:
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
error("Too many arguments. What do you mean by `%s'?", av[3]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
char *
|
||
|
|
getlist(list, p)
|
||
|
|
short **list;
|
||
|
|
char *p;
|
||
|
|
{
|
||
|
|
register int count = 1;
|
||
|
|
register char *t;
|
||
|
|
|
||
|
|
for (t = p + 1; *t; t++) {
|
||
|
|
if (!isdigit(*t))
|
||
|
|
error("Option %.1s requires a list of unsigned numbers separated by commas", t);
|
||
|
|
count++;
|
||
|
|
while (*t && isdigit(*t))
|
||
|
|
t++;
|
||
|
|
if (*t != ',')
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (!(*list = (short *) malloc(count * sizeof(short))))
|
||
|
|
error("No list space", "");
|
||
|
|
count = 0;
|
||
|
|
for (t = p + 1; *t; t++) {
|
||
|
|
(*list)[count++] = atoi(t);
|
||
|
|
printf("++ %d ", (*list)[count-1]);
|
||
|
|
fflush(stdout);
|
||
|
|
while (*t && isdigit(*t))
|
||
|
|
t++;
|
||
|
|
if (*t != ',')
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
(*list)[count] = 0;
|
||
|
|
return(t - 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
char *
|
||
|
|
getnum(num, p, strict) /* num = number p points to; if (strict) complain */
|
||
|
|
int *num, strict; /* returns pointer to end of num */
|
||
|
|
char *p;
|
||
|
|
{
|
||
|
|
register char *t = p;
|
||
|
|
|
||
|
|
if (!isdigit(*++t)) {
|
||
|
|
if (strict || *t == '-' || *t == '+')
|
||
|
|
error("Option %.1s requires an unsigned integer", p);
|
||
|
|
*num = 0;
|
||
|
|
return(p);
|
||
|
|
}
|
||
|
|
*num = atoi(t);
|
||
|
|
while (*++t)
|
||
|
|
if (!isdigit(*t))
|
||
|
|
break;
|
||
|
|
return(--t);
|
||
|
|
}
|