/*
* strings implementation for busybox
*
- * Copyright (c) 1980, 1987
- * The Regents of the University of California. All rights reserved.
+ * Copyright Tito Ragusa <farmatito@tiscali.it>
*
- * 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>
+ * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
*/
+#include "busybox.h"
#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include <ctype.h>
-#include "busybox.h"
-
-#define ISSTR(ch) (isprint(ch) || ch == '\t')
#define WHOLE_FILE 1
#define PRINT_NAME 2
int strings_main(int argc, char **argv)
{
int n, c, i = 0, status = EXIT_SUCCESS;
- unsigned long opt;
+ unsigned opt;
unsigned long count;
FILE *file = stdin;
char *string;
const char *fmt = "%s: ";
char *n_arg = "4";
-
- opt = bb_getopt_ulflags (argc, argv, "afon:", &n_arg);
+
+ opt = getopt32(argc, argv, "afon:", &n_arg);
/* -a is our default behaviour */
-
+
argc -= optind;
argv += optind;
- n = bb_xgetlarg(n_arg, 10, 1, INT_MAX);
- string = xcalloc(n + 1, 1);
+ n = xatoul_range(n_arg, 1, INT_MAX);
+ string = xzalloc(n + 1);
n--;
-
- if ( argc == 0) {
+
+ if (argc == 0) {
fmt = "{%s}: ";
*argv = (char *)bb_msg_standard_input;
goto PIPE;
}
-
+
do {
- if ((file = bb_wfopen(*argv, "r"))) {
+ file = fopen_or_warn(*argv, "r");
+ if (file) {
PIPE:
count = 0;
do {
c = fgetc(file);
- if (ISSTR(c)) {
+ if (isprint(c) || c == '\t') {
if (i <= n) {
- string[i]=c;
+ string[i] = c;
} else {
putchar(c);
}
printf(fmt, *argv);
}
if (opt & PRINT_OFFSET) {
- printf("%7lo ", count - n );
+ printf("%7lo ", count - n);
}
printf("%s", string);
}
}
count++;
} while (c != EOF);
- bb_fclose_nonstdin(file);
+ fclose_if_not_stdin(file);
} else {
- status=EXIT_FAILURE;
+ status = EXIT_FAILURE;
}
- } while ( --argc > 0 );
+ } while (--argc > 0);
- if (ENABLE_FEATURE_CLEAN_UP) free(string);
+ if (ENABLE_FEATURE_CLEAN_UP)
+ free(string);
- bb_fflush_stdout_and_exit(status);
+ fflush_stdout_and_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.
- */
projects / oweals / busybox.git / blobdiff