Last change
on this file since 3858 was 2725, checked in by Bruno Cornec, 13 years ago |
- Update mindi-busybox to 1.18.3 to avoid problems with the tar command which is now failing on recent versions with busybox 1.7.3
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File size:
1.6 KB
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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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