* 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.
*
* Badly hacked by Tito Ragusa <farmatito@tiscali.it>
*/
+#include "busybox.h"
#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')
+#define WHOLE_FILE 1
+#define PRINT_NAME 2
+#define PRINT_OFFSET 4
+#define SIZE 8
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;
+ 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";
- 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();
- }
+ opt = bb_getopt_ulflags(argc, argv, "afon:", &n_arg);
+ /* -a is our default behaviour */
argc -= optind;
argv += optind;
- i=0;
+ n = bb_xgetlarg(n_arg, 10, 1, INT_MAX);
+ string = xzalloc(n + 1);
+ n--;
- string=xmalloc(n+1);
- string[n]='\0';
- n-=1;
-
- if(!argc )
- {
- file = stdin;
- goto pipe;
+ if (argc == 0) {
+ fmt = "{%s}: ";
+ *argv = (char *)bb_msg_standard_input;
+ 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);
+ do {
+ 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);
}
- if(i>n)
- putchar(c);
i++;
- }
- else
- {
- if(i>n)
- puts("");
- i=0;
+ } else {
+ if (i > n) {
+ putchar('\n');
+ }
+ i = 0;
}
count++;
- }
- while(c!=EOF);
-
- if(file!=stdin)
- fclose(file);
+ } while (c != EOF);
+ bb_fclose_nonstdin(file);
+ } else {
+ status = EXIT_FAILURE;
}
- else
- {
- bb_perror_msg("%s",argv[a]);
- status=EXIT_FAILURE;
- }
- }
- free(string);
- exit(status);
+ } while (--argc > 0);
+
+ if (ENABLE_FEATURE_CLEAN_UP)
+ free(string);
+
+ bb_fflush_stdout_and_exit(status);
}
/*
* 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>
+ * 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