mirror of https://github.com/GnoConsortium/gno.git
- initial checkin as submitted by Dave Tribby
- renamed makefile.mk to Makefile
This commit is contained in:
gdr
parent
c1fa42d03c
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#
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# This makefile is intended for use with dmake(1) on Apple IIGS
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#
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# Created by Dave Tribby, July 1997
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# Program name
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PROG= head
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.INCLUDE : <gno.prog.mk>
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.\" Copyright (c) 1980, 1990, 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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.\" @(#)head.1 2.0 (GNO) 8/1/97
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.\"
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.TH HEAD 1 "August 1997" "GNO" "Commands and Applications"
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.SH NAME
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.BR head
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\- display first lines of a file
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.SH SYNOPSIS
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.BR head
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.RB [ -n
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.IR count " |"
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.BI "-c " bytes
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.RI "] " file ...
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.SS Obsolescent:
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.BR head " ["
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.BI - count
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.RI "] [" file ...]
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.SH DESCRIPTION
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This filter displays the first
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.I count
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lines or
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.I bytes
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of each of the specified
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.IR file s,
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or of the standard input if no
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.IR file s
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are specified.
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If
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.I count
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is omitted it defaults to 10.
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.LP
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If more than a single
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.I file
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is specified, each
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.I file
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is preceded by a header consisting of the string
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.B "==> XXX <=="
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where
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.B XXX
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is the name of the file.
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.LP
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The
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.BR head
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utility exits 0 on success, and >0 if an error occurs.
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.SH OPTIONS
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.RS
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.IP \fB-n \fIlines\fR
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Print the indicated number of lines.
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.IP \fB-c \fIbytes\fR
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Print the indicated number of characters.
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.SH ATTRIBUTIONS
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This command was ported from FreeBSD source code
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for distribution with GNO/ME 2.0.6.
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.SH SEE ALSO
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.BR tail (1)
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@ -0,0 +1,260 @@
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/*
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* Copyright (c) 1980, 1987, 1992, 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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/*
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* Modified for GNO (Apple IIGS) by Dave Tribby, July 1997
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*
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* Constructs unacceptable to compiler are replaced using #ifndef __ORCAC__
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*
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* Changes not related to compiler are replaced using #ifndef __GNO__
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*
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* Added prototyped headers, surrounded by #ifndef __STDC__
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*/
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#ifndef __GNO__
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#ifndef lint
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static const char copyright[] =
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"@(#) Copyright (c) 1980, 1987, 1992, 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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#if 0
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static char sccsid[] = "@(#)head.c 8.2 (Berkeley) 5/4/95";
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#endif
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static const char rcsid[] =
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"$Id: head.c,v 1.1 1997/09/17 05:43:50 gdr Exp $";
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#endif /* not lint */
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#endif
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#include <sys/types.h>
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#include <ctype.h>
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#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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/*
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* head - give the first few lines of a stream or of each of a set of files
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*
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* Bill Joy UCB August 24, 1977
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*/
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void head __P((FILE *, int));
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void head_bytes __P((FILE *, int));
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void obsolete __P((char *[]));
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void usage __P((void));
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int eval;
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/* Interface to check on how much stack space a C program uses. */
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#if defined(__GNO__) && defined(__STACK_CHECK__)
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#ifndef _STDLIB_H_
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#include <stdlib.h>
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#endif
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extern void begin_stack_check(void);
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extern int end_stack_check(void);
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static void report_stack(void)
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{
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fprintf(stderr,"\n ==> %d stack bytes used <== \n", end_stack_check());
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}
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#endif
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int
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#ifndef __STDC__
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main(argc, argv)
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int argc;
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char *argv[];
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#else
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main(int argc, char *argv[])
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#endif
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{
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register int ch;
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FILE *fp;
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int first, linecnt = -1, bytecnt = -1;
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char *ep;
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#if defined(__GNO__) && defined(__STACK_CHECK__)
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begin_stack_check();
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atexit(report_stack);
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#endif
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obsolete(argv);
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while ((ch = getopt(argc, argv, "n:c:")) != -1)
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switch(ch) {
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case 'c':
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bytecnt = strtol(optarg, &ep, 10);
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if (*ep || bytecnt <= 0)
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errx(1, "illegal byte count -- %s", optarg);
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break;
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case 'n':
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linecnt = strtol(optarg, &ep, 10);
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if (*ep || linecnt <= 0)
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errx(1, "illegal line count -- %s", optarg);
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break;
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case '?':
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default:
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usage();
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}
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argc -= optind;
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#ifndef __ORCAC__
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argv += optind;
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#else
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/* ORCA/C 2.1 compiler cannot handle += on pointer */
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argv = argv + optind;
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#endif
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if (linecnt != -1 && bytecnt != -1)
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errx(1, "can't combine line and byte counts");
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if (linecnt == -1 )
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linecnt = 10;
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if (*argv) {
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for (first = 1; *argv; ++argv) {
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if ((fp = fopen(*argv, "r")) == NULL) {
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warn("%s", *argv);
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eval = 1;
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continue;
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}
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if (argc > 1) {
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(void)printf("%s==> %s <==\n",
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first ? "" : "\n", *argv);
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first = 0;
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}
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if (bytecnt == -1)
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head(fp, linecnt);
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else
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head_bytes(fp, bytecnt);
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(void)fclose(fp);
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}
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}
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else if (bytecnt == -1)
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head(stdin, linecnt);
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else
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head_bytes(stdin, bytecnt);
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exit(eval);
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}
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void
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#ifndef __STDC__
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head(fp, cnt)
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FILE *fp;
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register int cnt;
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#else
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head(FILE *fp, register int cnt)
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#endif
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{
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register int ch;
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while (cnt && (ch = getc(fp)) != EOF) {
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if (putchar(ch) == EOF)
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err(1, "stdout");
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if (ch == '\n')
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cnt--;
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}
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}
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void
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#ifndef __STDC__
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head_bytes(fp, cnt)
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FILE *fp;
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register int cnt;
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#else
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head_bytes(FILE *fp, register int cnt)
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#endif
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{
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#ifndef __GNO__
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char buf[4096];
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#else
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/* Cannot handle 4096 bytes on stack. Since head_bytes is */
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/* non-recursive, make it a static array. DMT */
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static char buf[4096];
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#endif
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register int readlen;
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while (cnt) {
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if (cnt < sizeof(buf))
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readlen = cnt;
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else
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readlen = sizeof(buf);
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readlen = fread(buf, sizeof(char), readlen, fp);
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if (readlen == EOF)
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break;
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if (fwrite(buf, sizeof(char), readlen, stdout) != readlen)
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err(1, "stdout");
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cnt -= readlen;
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}
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}
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void
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#ifndef __STDC__
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obsolete(argv)
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char *argv[];
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#else
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obsolete(char *argv[])
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#endif
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{
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char *ap;
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while ((ap = *++argv)) {
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/* Return if "--" or not "-[0-9]*". */
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if (ap[0] != '-' || ap[1] == '-' || !isdigit(ap[1]))
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return;
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if ((ap = malloc(strlen(*argv) + 2)) == NULL)
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err(1, NULL);
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ap[0] = '-';
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ap[1] = 'n';
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(void)strcpy(ap + 2, *argv + 1);
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*argv = ap;
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}
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}
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void
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#ifndef __STDC__
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usage()
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#else
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usage(void)
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#endif
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{
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#ifndef __GNO__
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(void)fprintf(stderr, "usage: head [-n lines] [-c bytes] [file ...]\n");
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#else
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/* Show -n and -c as exclusive, and add obsolescent format (DMT) */
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(void)fprintf(stderr, "usage: head [-n lines | -c bytes] [file ...]\n");
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(void)fprintf(stderr, " head [-count] [file ...]\n");
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#endif
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exit(1);
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}
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@ -0,0 +1,9 @@
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Name: head
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Version: 2.0 (August 1997)
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Shell: GNO
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Author: Dave Tribby (from FreeBSD code)
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Contact: tribby@cup.hp.com
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Where: /bin/head
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FTP: ground.isca.uiowa.edu apple2.caltech.edu trenco.myrias.com
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Print the first part of a file.
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@ -0,0 +1,29 @@
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/*
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* Resources for version and comment
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*/
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#define PROG "head"
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#define DESC "Print the first part of a file."
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#include "Types.rez"
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/*
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* Version
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*/
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resource rVersion (1, purgeable3) {
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{ 2, 0, 0, /* Version 2.0.0 */
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release, /* development|alpha|beta|final|release */
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0 }, /* non-final release number */
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verUS, /* Country */
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PROG, /* Program name */
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DESC " Released with GNO/ME."
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};
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/*
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* Comment
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*/
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resource rComment (1, purgeable3) {
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PROG " v2.0 (August 1997)\n"
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"GNO utility: " DESC "\n"
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"Ported from FreeBSD code by Dave Tribby."
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};
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