| 1 | /*
|
|---|
| 2 | * hexdump implementation for busybox
|
|---|
| 3 | * Based on code from util-linux v 2.11l
|
|---|
| 4 | *
|
|---|
| 5 | * Copyright (c) 1989
|
|---|
| 6 | * The Regents of the University of California. All rights reserved.
|
|---|
| 7 | *
|
|---|
| 8 | * Licensed under GPLv2 or later, see file License in this tarball for details.
|
|---|
| 9 | */
|
|---|
| 10 |
|
|---|
| 11 | #include "busybox.h"
|
|---|
| 12 | #include <getopt.h>
|
|---|
| 13 | #include <string.h>
|
|---|
| 14 | #include "dump.h"
|
|---|
| 15 |
|
|---|
| 16 | static void bb_dump_addfile(char *name)
|
|---|
| 17 | {
|
|---|
| 18 | register char *p;
|
|---|
| 19 | FILE *fp;
|
|---|
| 20 | char *buf;
|
|---|
| 21 |
|
|---|
| 22 | fp = bb_xfopen(name, "r");
|
|---|
| 23 |
|
|---|
| 24 | while ((buf = bb_get_chomped_line_from_file(fp)) != NULL) {
|
|---|
| 25 | p = skip_whitespace(buf);
|
|---|
| 26 |
|
|---|
| 27 | if (*p && (*p != '#')) {
|
|---|
| 28 | bb_dump_add(p);
|
|---|
| 29 | }
|
|---|
| 30 | free(buf);
|
|---|
| 31 | }
|
|---|
| 32 | fclose(fp);
|
|---|
| 33 | }
|
|---|
| 34 |
|
|---|
| 35 | static const char * const add_strings[] = {
|
|---|
| 36 | "\"%07.7_ax \" 16/1 \"%03o \" \"\\n\"", /* b */
|
|---|
| 37 | "\"%07.7_ax \" 16/1 \"%3_c \" \"\\n\"", /* c */
|
|---|
| 38 | "\"%07.7_ax \" 8/2 \" %05u \" \"\\n\"", /* d */
|
|---|
| 39 | "\"%07.7_ax \" 8/2 \" %06o \" \"\\n\"", /* o */
|
|---|
| 40 | "\"%07.7_ax \" 8/2 \" %04x \" \"\\n\"", /* x */
|
|---|
| 41 | };
|
|---|
| 42 |
|
|---|
| 43 | static const char add_first[] = "\"%07.7_Ax\n\"";
|
|---|
| 44 |
|
|---|
| 45 | static const char hexdump_opts[] = "bcdoxCe:f:n:s:v";
|
|---|
| 46 |
|
|---|
| 47 | static const struct suffix_mult suffixes[] = {
|
|---|
| 48 | {"b", 512 },
|
|---|
| 49 | {"k", 1024 },
|
|---|
| 50 | {"m", 1024*1024 },
|
|---|
| 51 | {NULL, 0 }
|
|---|
| 52 | };
|
|---|
| 53 |
|
|---|
| 54 | int hexdump_main(int argc, char **argv)
|
|---|
| 55 | {
|
|---|
| 56 | // register FS *tfs;
|
|---|
| 57 | const char *p;
|
|---|
| 58 | int ch;
|
|---|
| 59 |
|
|---|
| 60 | bb_dump_vflag = FIRST;
|
|---|
| 61 | bb_dump_length = -1;
|
|---|
| 62 |
|
|---|
| 63 | while ((ch = getopt(argc, argv, hexdump_opts)) > 0) {
|
|---|
| 64 | if ((p = strchr(hexdump_opts, ch)) != NULL) {
|
|---|
| 65 | if ((p - hexdump_opts) < 5) {
|
|---|
| 66 | bb_dump_add(add_first);
|
|---|
| 67 | bb_dump_add(add_strings[(int)(p - hexdump_opts)]);
|
|---|
| 68 | } else if (ch == 'C') {
|
|---|
| 69 | bb_dump_add("\"%08.8_Ax\n\"");
|
|---|
| 70 | bb_dump_add("\"%08.8_ax \" 8/1 \"%02x \" \" \" 8/1 \"%02x \" ");
|
|---|
| 71 | bb_dump_add("\" |\" 16/1 \"%_p\" \"|\\n\"");
|
|---|
| 72 | } else {
|
|---|
| 73 | /* Sae a little bit of space below by omitting the 'else's. */
|
|---|
| 74 | if (ch == 'e') {
|
|---|
| 75 | bb_dump_add(optarg);
|
|---|
| 76 | } /* else */
|
|---|
| 77 | if (ch == 'f') {
|
|---|
| 78 | bb_dump_addfile(optarg);
|
|---|
| 79 | } /* else */
|
|---|
| 80 | if (ch == 'n') {
|
|---|
| 81 | bb_dump_length = bb_xgetularg10_bnd(optarg, 0, INT_MAX);
|
|---|
| 82 | } /* else */
|
|---|
| 83 | if (ch == 's') {
|
|---|
| 84 | bb_dump_skip = bb_xgetularg_bnd_sfx(optarg, 10, 0, LONG_MAX, suffixes);
|
|---|
| 85 | } /* else */
|
|---|
| 86 | if (ch == 'v') {
|
|---|
| 87 | bb_dump_vflag = ALL;
|
|---|
| 88 | }
|
|---|
| 89 | }
|
|---|
| 90 | } else {
|
|---|
| 91 | bb_show_usage();
|
|---|
| 92 | }
|
|---|
| 93 | }
|
|---|
| 94 |
|
|---|
| 95 | if (!bb_dump_fshead) {
|
|---|
| 96 | bb_dump_add(add_first);
|
|---|
| 97 | bb_dump_add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\"");
|
|---|
| 98 | }
|
|---|
| 99 |
|
|---|
| 100 | argv += optind;
|
|---|
| 101 |
|
|---|
| 102 | return(bb_dump_dump(argv));
|
|---|
| 103 | }
|
|---|
