48 lines
949 B
C
48 lines
949 B
C
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/*
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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 *argv[])
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{
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if (argc == 1) {
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cmd_usage(cmdtp);
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return 1;
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}
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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(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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