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Commit | Line | Data |
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30942b18 MF |
1 | /* |
2 | * cmd_strings.c - just like `strings` command | |
3 | * | |
4 | * Copyright (c) 2008 Analog Devices Inc. | |
5 | * | |
6 | * Licensed under the GPL-2 or later. | |
7 | */ | |
8 | ||
9 | #include <config.h> | |
10 | #include <common.h> | |
11 | #include <command.h> | |
12 | ||
13 | #ifdef CONFIG_CFG_STRINGS | |
14 | ||
15 | static char *start_addr, *last_addr; | |
16 | ||
17 | int do_strings(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
18 | { | |
19 | if (argc == 1) { | |
20 | printf("Usage:\n%s\n", cmdtp->usage); | |
21 | return 1; | |
22 | } | |
23 | ||
24 | if ((flag & CMD_FLAG_REPEAT) == 0) { | |
25 | start_addr = (char *)simple_strtoul(argv[1], NULL, 16); | |
26 | if (argc > 2) | |
27 | last_addr = (char *)simple_strtoul(argv[2], NULL, 16); | |
28 | else | |
29 | last_addr = (char *)-1; | |
30 | } | |
31 | ||
32 | char *addr = start_addr; | |
33 | do { | |
34 | printf("%s\n", addr); | |
35 | addr += strlen(addr) + 1; | |
36 | } while (addr[0] && addr < last_addr); | |
37 | ||
38 | last_addr = addr + (last_addr - start_addr); | |
39 | start_addr = addr; | |
40 | ||
41 | return 0; | |
42 | } | |
43 | ||
44 | U_BOOT_CMD(strings, 3, 1, do_strings, | |
45 | "strings - display strings\n", | |
46 | "<addr> [byte count]\n" | |
47 | " - display strings at <addr> for at least [byte count] or first double NUL\n"); | |
48 | ||
49 | #endif |