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7e5f460ec4
It is a pain to have to specify the value 16 in each call. Add a new hextoul() function and update the code to use it. Add a proper comment to simple_strtoul() while we are here. Signed-off-by: Simon Glass <sjg@chromium.org>
47 lines
927 B
C
47 lines
927 B
C
/*
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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(struct cmd_tbl *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 *)hextoul(argv[1], NULL);
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if (argc > 2)
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last_addr = (char *)hextoul(argv[2], NULL);
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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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