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cmd_help: General cleanup

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Shorten the overly-verbose help message of 'help' and clean up some
redundant ifdefery while we're at it.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
This commit is contained in:
Peter Tyser 2009-10-16 17:36:26 -05:00 • committed by Wolfgang Denk
parent 6b8f5ad10f
commit 4e1ca93b6b
1 changed files with 7 additions and 14 deletions
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21
common/cmd_help.c
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@ -33,25 +33,18 @@ int do_help(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
U_BOOT_CMD(
help, CONFIG_SYS_MAXARGS, 1, do_help,
"print online help",
"[command ...]\n"
" - show help information (for 'command')\n"
"'help' prints online help for the monitor commands.\n\n"
"Without arguments, it prints a short usage message for all commands.\n\n"
"To get detailed help information for specific commands you can type\n"
"'help' with one or more command names as arguments."
"print command description/usage",
"\n"
" - print brief description of all commands\n"
"help command ...\n"
" - print detailed usage of 'command'"
);
/* This does not use the U_BOOT_CMD macro as ? can't be used in symbol names */
#ifdef CONFIG_SYS_LONGHELP
cmd_tbl_t __u_boot_cmd_question_mark Struct_Section = {
"?", CONFIG_SYS_MAXARGS, 1, do_help,
"alias for 'help'",
#ifdef CONFIG_SYS_LONGHELP
""
};
#else
cmd_tbl_t __u_boot_cmd_question_mark Struct_Section = {
"?", CONFIG_SYS_MAXARGS, 1, do_help,
"alias for 'help'"
};
#endif /* CONFIG_SYS_LONGHELP */
};