Contents of /tags/mkinitrd-6_3_2/busybox/miscutils/strings.c
Parent Directory | Revision Log
Revision 1164 -
(show annotations)
(download)
Tue Sep 14 20:33:28 2010 UTC (14 years ago) by niro
File MIME type: text/plain
File size: 1612 byte(s)
Tue Sep 14 20:33:28 2010 UTC (14 years ago) by niro
File MIME type: text/plain
File size: 1612 byte(s)
tagged 'mkinitrd-6_3_2'
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * strings implementation for busybox |
4 | * |
5 | * Copyright 2003 Tito Ragusa <farmatito@tiscali.it> |
6 | * |
7 | * Licensed under the GPL v2 or later, see the file LICENSE in this tarball. |
8 | */ |
9 | |
10 | #include "libbb.h" |
11 | |
12 | #define WHOLE_FILE 1 |
13 | #define PRINT_NAME 2 |
14 | #define PRINT_OFFSET 4 |
15 | #define SIZE 8 |
16 | |
17 | int strings_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
18 | int strings_main(int argc UNUSED_PARAM, char **argv) |
19 | { |
20 | int n, c, status = EXIT_SUCCESS; |
21 | unsigned count; |
22 | off_t offset; |
23 | FILE *file; |
24 | char *string; |
25 | const char *fmt = "%s: "; |
26 | const char *n_arg = "4"; |
27 | |
28 | getopt32(argv, "afon:", &n_arg); |
29 | /* -a is our default behaviour */ |
30 | /*argc -= optind;*/ |
31 | argv += optind; |
32 | |
33 | n = xatou_range(n_arg, 1, INT_MAX); |
34 | string = xzalloc(n + 1); |
35 | n--; |
36 | |
37 | if (!*argv) { |
38 | fmt = "{%s}: "; |
39 | *--argv = (char *)bb_msg_standard_input; |
40 | } |
41 | |
42 | do { |
43 | file = fopen_or_warn_stdin(*argv); |
44 | if (!file) { |
45 | status = EXIT_FAILURE; |
46 | continue; |
47 | } |
48 | offset = 0; |
49 | count = 0; |
50 | do { |
51 | c = fgetc(file); |
52 | if (isprint_asciionly(c) || c == '\t') { |
53 | if (count > n) { |
54 | bb_putchar(c); |
55 | } else { |
56 | string[count] = c; |
57 | if (count == n) { |
58 | if (option_mask32 & PRINT_NAME) { |
59 | printf(fmt, *argv); |
60 | } |
61 | if (option_mask32 & PRINT_OFFSET) { |
62 | printf("%7"OFF_FMT"o ", offset - n); |
63 | } |
64 | fputs(string, stdout); |
65 | } |
66 | count++; |
67 | } |
68 | } else { |
69 | if (count > n) { |
70 | bb_putchar('\n'); |
71 | } |
72 | count = 0; |
73 | } |
74 | offset++; |
75 | } while (c != EOF); |
76 | fclose_if_not_stdin(file); |
77 | } while (*++argv); |
78 | |
79 | if (ENABLE_FEATURE_CLEAN_UP) |
80 | free(string); |
81 | |
82 | fflush_stdout_and_exit(status); |
83 | } |