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158 lines
4.1 KiB
C
158 lines
4.1 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* strings implementation for busybox
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*
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* Copyright (c) 1980, 1987
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* The Regents of the University of California. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Original copyright notice is retained at the end of this file.
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*
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* Modified for BusyBox by Erik Andersen <andersen@codepoet.org>
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* Badly hacked by Tito Ragusa <farmatito@tiscali.it>
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*/
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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 <getopt.h>
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#include <unistd.h>
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#include <ctype.h>
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#include "busybox.h"
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#define ISSTR(ch) (isprint(ch) || ch == '\t')
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int strings_main(int argc, char **argv)
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{
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int n=4, c, i, opt=0, a=0, status=EXIT_SUCCESS;
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long t=0, count;
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FILE *file;
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char *string=NULL;
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while ((i = getopt(argc, argv, "afon:")) > 0)
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switch(i)
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{
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case 'a':
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break;
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case 'f':
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opt+=1;
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break;
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case 'o':
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opt+=2;
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break;
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case 'n':
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n = bb_xgetlarg(optarg, 10, 1, INT_MAX);
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break;
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default:
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bb_show_usage();
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}
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argc -= optind;
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argv += optind;
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i=0;
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string=xmalloc(n+1);
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string[n]='\0';
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n-=1;
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if(!argc )
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{
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file = stdin;
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goto pipe;
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}
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for(a=0;a<argc;a++)
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{
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if((file=fopen(argv[a],"r")))
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{
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pipe:
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count=0;
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do{
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c=fgetc(file);
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if(ISSTR(c))
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{
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if(i==0)
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t=count;
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if(i<=n)
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string[i]=c;
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if(i==n)
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{
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if(opt == 1 || opt == 3 )
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printf("%s: ", (!argv[a])? "{stdin}" : argv[a]);
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if(opt >= 2 )
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printf("%7lo ", t);
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printf("%s", string);
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}
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if(i>n)
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putchar(c);
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i++;
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}
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else
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{
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if(i>n)
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putchar('\n');
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i=0;
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}
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count++;
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}while(c!=EOF);
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bb_fclose_nonstdin(file);
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}
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else
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{
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bb_perror_msg("%s",argv[a]);
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status=EXIT_FAILURE;
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}
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}
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free(string);
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exit(status);
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}
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/*
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* Copyright (c) 1980, 1987
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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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*
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* 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change
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* ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change>
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*
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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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