152 lines
4.2 KiB
C
152 lines
4.2 KiB
C
/* 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 <andersee@debian.org>
|
|
*/
|
|
|
|
#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)
|
|
{
|
|
extern char *optarg;
|
|
extern int optind;
|
|
int ch, cnt;
|
|
int exitcode;
|
|
int oflg, fflg;
|
|
char *file;
|
|
size_t foff, minlen;
|
|
unsigned char *bfr, *C;
|
|
int i;
|
|
|
|
exitcode = fflg = oflg = 0;
|
|
minlen = -1;
|
|
while ((ch = getopt(argc, argv, "an:of")) > 0)
|
|
switch(ch) {
|
|
case 'a':
|
|
break;
|
|
case 'f':
|
|
fflg = 1;
|
|
break;
|
|
case 'n':
|
|
minlen = atoi(optarg);
|
|
break;
|
|
case 'o':
|
|
oflg = 1;
|
|
break;
|
|
default:
|
|
show_usage();
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (minlen == -1)
|
|
minlen = 4;
|
|
|
|
bfr = xmalloc(minlen);
|
|
bfr[minlen] = '\0';
|
|
file = "stdin";
|
|
do {
|
|
if (*argv) {
|
|
fprintf(stderr, "opening '%s'\n", *argv);
|
|
file = *argv++;
|
|
if (!freopen(file, "r", stdin)) {
|
|
perror_msg("%s", file);
|
|
exitcode = EXIT_FAILURE;
|
|
continue;
|
|
}
|
|
}
|
|
foff = 0;
|
|
|
|
for (cnt = 0; (ch = getchar()) != EOF;) {
|
|
foff++;
|
|
if (ISSTR(ch)) {
|
|
if (!cnt)
|
|
C = bfr;
|
|
*C++ = ch;
|
|
if (++cnt < minlen)
|
|
continue;
|
|
if (fflg)
|
|
printf("%s:", file);
|
|
if (oflg)
|
|
printf("%7lo %s", (long)(foff - minlen), (char *)bfr);
|
|
else
|
|
printf("%s", bfr);
|
|
i=0;
|
|
while ((ch = getchar()) != EOF && ISSTR(ch))
|
|
{
|
|
putchar((char)ch);
|
|
i++;
|
|
}
|
|
if(i>0)
|
|
foff+=(i+1);
|
|
else
|
|
foff++;
|
|
putchar('\n');
|
|
}
|
|
cnt = 0;
|
|
}
|
|
} while (*argv);
|
|
exit(exitcode);
|
|
}
|
|
|
|
/*
|
|
* 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.
|
|
*/
|