projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| 30942b18 MF |
13 | static char *start_addr, *last_addr; |
| 14 | ||
| 09140113 | 15 | int do_strings(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) |
| 30942b18 | 16 | { |
| 47e26b1b | 17 | if (argc == 1) |
| 4c12eeb8 | 18 | return CMD_RET_USAGE; |
| 30942b18 MF |
19 | |
| 20 | if ((flag & CMD_FLAG_REPEAT) == 0) { | |
| 21 | start_addr = (char *)simple_strtoul(argv[1], NULL, 16); | |
| 22 | if (argc > 2) | |
| 23 | last_addr = (char *)simple_strtoul(argv[2], NULL, 16); | |
| 24 | else | |
| 25 | last_addr = (char *)-1; | |
| 26 | } | |
| 27 | ||
| 28 | char *addr = start_addr; | |
| 29 | do { | |
| 774ce720 MF |
30 | puts(addr); |
| 31 | puts("\n"); | |
| 30942b18 MF |
32 | addr += strlen(addr) + 1; |
| 33 | } while (addr[0] && addr < last_addr); | |
| 34 | ||
| 35 | last_addr = addr + (last_addr - start_addr); | |
| 36 | start_addr = addr; | |
| 37 | ||
| 38 | return 0; | |
| 39 | } | |
| 40 | ||
| 388a29d0 FM |
41 | U_BOOT_CMD( |
| 42 | strings, 3, 1, do_strings, | |
| 2fb2604d | 43 | "display strings", |
| 30942b18 | 44 | "<addr> [byte count]\n" |
| a89c33db WD |
45 | " - display strings at <addr> for at least [byte count] or first double NUL" |
| 46 | ); |