35 lines
875 B
C
35 lines
875 B
C
/*
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* Copyright 2000-2009
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <command.h>
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static int do_help(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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cmd_tbl_t *start = ll_entry_start(cmd_tbl_t, cmd);
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const int len = ll_entry_count(cmd_tbl_t, cmd);
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return _do_help(start, len, cmdtp, flag, argc, argv);
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}
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U_BOOT_CMD(
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help, CONFIG_SYS_MAXARGS, 1, do_help,
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"print command description/usage",
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"\n"
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" - print brief description of all commands\n"
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"help command ...\n"
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" - print detailed usage of 'command'"
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);
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/* This does not use the U_BOOT_CMD macro as ? can't be used in symbol names */
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ll_entry_declare(cmd_tbl_t, question_mark, cmd) = {
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"?", CONFIG_SYS_MAXARGS, 1, do_help,
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"alias for 'help'",
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#ifdef CONFIG_SYS_LONGHELP
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""
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#endif /* CONFIG_SYS_LONGHELP */
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};
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