mirror of
https://github.com/brain-hackers/u-boot-brain
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4c12eeb8b5
Change all files in common/ to use CMD_RET_USAGE instead of calling cmd_usage() directly. I'm not completely sure about this patch since the code since impact is small (100 byte or so on ARM) and it might need splitting into smaller patches. But for now here it is. Signed-off-by: Simon Glass <sjg@chromium.org>
47 lines
945 B
C
47 lines
945 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(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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