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46 lines
945 B
46 lines
945 B
/* |
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* cmd_strings.c - just like `strings` command |
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* |
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* Copyright (c) 2008 Analog Devices Inc. |
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* |
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* Licensed under the GPL-2 or later. |
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*/ |
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#include <config.h> |
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#include <common.h> |
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#include <command.h> |
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static char *start_addr, *last_addr; |
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int do_strings(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
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{ |
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if (argc == 1) |
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return CMD_RET_USAGE; |
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if ((flag & CMD_FLAG_REPEAT) == 0) { |
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start_addr = (char *)simple_strtoul(argv[1], NULL, 16); |
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if (argc > 2) |
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last_addr = (char *)simple_strtoul(argv[2], NULL, 16); |
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else |
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last_addr = (char *)-1; |
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} |
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char *addr = start_addr; |
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do { |
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puts(addr); |
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puts("\n"); |
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addr += strlen(addr) + 1; |
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} while (addr[0] && addr < last_addr); |
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last_addr = addr + (last_addr - start_addr); |
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start_addr = addr; |
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return 0; |
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} |
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U_BOOT_CMD( |
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strings, 3, 1, do_strings, |
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"display strings", |
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"<addr> [byte count]\n" |
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" - display strings at <addr> for at least [byte count] or first double NUL" |
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);
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