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/* vi: set sw=4 ts=4: */
/*
* strings implementation for busybox
*
* Copyright (c) 1980, 1987
* The Regents of the University of California. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Original copyright notice is retained at the end of this file.
*
* Modified for BusyBox by Erik Andersen <andersen@codepoet.org>
* Badly hacked by Tito Ragusa <farmatito@tiscali.it>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <unistd.h>
#include <ctype.h>
#include "busybox.h"
#define ISSTR(ch) (isprint(ch) || ch == '\t')
int strings_main(int argc, char **argv)
{
int n=4, c, i, opt=0, a=0, status=EXIT_SUCCESS;
long t=0, count;
FILE *file;
char *string=NULL;
while ((i = getopt(argc, argv, "afon:")) > 0)
switch(i)
{
case 'a':
break;
case 'f':
opt+=1;
break;
case 'o':
opt+=2;
break;
case 'n':
n = bb_xgetlarg(optarg, 10, 1, INT_MAX);
break;
default:
bb_show_usage();
}
argc -= optind;
argv += optind;
i=0;
string=xmalloc(n+1);
string[n]='\0';
n-=1;
if(!argc )
{
file = stdin;
goto pipe;
}
for(a=0;a<argc;a++)
{
if((file=fopen(argv[a],"r")))
{
pipe:
count=0;
do{
c=fgetc(file);
if(ISSTR(c))
{
if(i==0)
t=count;
if(i<=n)
string[i]=c;
if(i==n)
{
if(opt == 1 || opt == 3 )
printf("%s: ", (!argv[a])? "{stdin}" : argv[a]);
if(opt >= 2 )
printf("%7lo ", t);
printf("%s", string);
}
if(i>n)
putchar(c);
i++;
}
else
{
if(i>n)
puts("");
i=0;
}
count++;
}while(c!=EOF);
bb_fclose_nonstdin(file);
}
else
{
bb_perror_msg("%s",argv[a]);
status=EXIT_FAILURE;
}
}
free(string);
exit(status);
}
/*
* Copyright (c) 1980, 1987
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change
* ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change>
*
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
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