* 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
+ * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
*
* Original copyright notice is retained at the end of this file.
*
- * Modified for BusyBox by Erik Andersen <andersee@debian.org>
+ * 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"
+#include <stdio.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <ctype.h>
-#define ISSTR(ch) (isprint(ch) || ch == '\t')
+#define WHOLE_FILE 1
+#define PRINT_NAME 2
+#define PRINT_OFFSET 4
+#define SIZE 8
-int strings_main(int argc, char **argv)
+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 n, c, i = 0, status = EXIT_SUCCESS;
+ unsigned long 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);
+ /* -a is our default behaviour */
- 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;
+ n = bb_xgetlarg(n_arg, 10, 1, INT_MAX);
+ string = xzalloc(n + 1);
+ n--;
+
+ if (argc == 0) {
+ fmt = "{%s}: ";
+ *argv = (char *)bb_msg_standard_input;
+ goto PIPE;
+ }
- 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;
- }
+ if ((file = bb_wfopen(*argv, "r"))) {
+PIPE:
+ count = 0;
+ do {
+ c = fgetc(file);
+ if (isprint(c) || c == '\t') {
+ if (i <= n) {
+ string[i] = c;
+ } else {
+ putchar(c);
+ }
+ if (i == n) {
+ if (opt & PRINT_NAME) {
+ printf(fmt, *argv);
+ }
+ if (opt & PRINT_OFFSET) {
+ printf("%7lo ", count - n);
+ }
+ printf("%s", string);
+ }
+ i++;
+ } else {
+ if (i > n) {
+ putchar('\n');
+ }
+ i = 0;
+ }
+ count++;
+ } while (c != EOF);
+ bb_fclose_nonstdin(file);
+ } else {
+ status = EXIT_FAILURE;
}
- foff = 0;
+ } while (--argc > 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("%7ld %s", (long)(foff - minlen), (char *)bfr);
- else
- printf("%s", bfr);
- while ((ch = getchar()) != EOF && ISSTR(ch))
- putchar((char)ch);
- putchar('\n');
- }
- cnt = 0;
- }
- } while (*argv);
- exit(exitcode);
+ if (ENABLE_FEATURE_CLEAN_UP)
+ free(string);
+
+ bb_fflush_stdout_and_exit(status);
}
/*
* 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>
+ * 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