Last change
on this file since 3815 was 3320, checked in by Bruno Cornec, 10 years ago |
- Re-add (thanks git BTW) the 2.2.9 branch which had been destroyed in
the move to 3.0
|
-
Property svn:eol-style
set to
native
|
File size:
1.6 KB
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Rev | Line | |
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[3320] | 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * strings implementation for busybox
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| 4 | *
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| 5 | * Copyright 2003 Tito Ragusa <farmatito@tiscali.it>
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| 6 | *
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| 7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
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| 8 | */
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| 9 |
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| 10 | #include "libbb.h"
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| 11 |
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| 12 | #define WHOLE_FILE 1
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| 13 | #define PRINT_NAME 2
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| 14 | #define PRINT_OFFSET 4
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| 15 | #define SIZE 8
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| 16 |
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| 17 | int strings_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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| 18 | int strings_main(int argc UNUSED_PARAM, char **argv)
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| 19 | {
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| 20 | int n, c, status = EXIT_SUCCESS;
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| 21 | unsigned count;
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| 22 | off_t offset;
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| 23 | FILE *file;
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| 24 | char *string;
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| 25 | const char *fmt = "%s: ";
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| 26 | const char *n_arg = "4";
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| 27 |
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| 28 | getopt32(argv, "afon:", &n_arg);
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| 29 | /* -a is our default behaviour */
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| 30 | /*argc -= optind;*/
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| 31 | argv += optind;
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| 32 |
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| 33 | n = xatou_range(n_arg, 1, INT_MAX);
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| 34 | string = xzalloc(n + 1);
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| 35 | n--;
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| 36 |
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| 37 | if (!*argv) {
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| 38 | fmt = "{%s}: ";
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| 39 | *--argv = (char *)bb_msg_standard_input;
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| 40 | }
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| 41 |
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| 42 | do {
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| 43 | file = fopen_or_warn_stdin(*argv);
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| 44 | if (!file) {
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| 45 | status = EXIT_FAILURE;
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| 46 | continue;
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| 47 | }
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| 48 | offset = 0;
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| 49 | count = 0;
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| 50 | do {
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| 51 | c = fgetc(file);
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| 52 | if (isprint_asciionly(c) || c == '\t') {
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| 53 | if (count > n) {
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| 54 | bb_putchar(c);
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| 55 | } else {
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| 56 | string[count] = c;
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| 57 | if (count == n) {
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| 58 | if (option_mask32 & PRINT_NAME) {
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| 59 | printf(fmt, *argv);
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| 60 | }
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| 61 | if (option_mask32 & PRINT_OFFSET) {
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| 62 | printf("%7"OFF_FMT"o ", offset - n);
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| 63 | }
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| 64 | fputs(string, stdout);
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| 65 | }
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| 66 | count++;
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| 67 | }
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| 68 | } else {
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| 69 | if (count > n) {
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| 70 | bb_putchar('\n');
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| 71 | }
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| 72 | count = 0;
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| 73 | }
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| 74 | offset++;
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| 75 | } while (c != EOF);
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| 76 | fclose_if_not_stdin(file);
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| 77 | } while (*++argv);
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| 78 |
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| 79 | if (ENABLE_FEATURE_CLEAN_UP)
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| 80 | free(string);
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| 81 |
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| 82 | fflush_stdout_and_exit(status);
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| 83 | }
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