27b77dc415
Following from the Frank Jullien's patch, here is the same cosmetic correction when the list of commands is printed (the problem was that the commands for gpio_* were too long for the %10s alignment) Signed-off-by: Carlo Caione <carlo.caione@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
/*
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* (C) Copyright 2000-2003
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <common.h>
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#include <command.h>
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#include <complete.h>
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/*
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* Use puts() instead of printf() to avoid printf buffer overflow
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* for long help messages
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*/
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static int do_help(int argc, char *argv[])
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{
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struct command *cmdtp;
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int max_length = 0;
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if (argc == 1) { /* show list of commands */
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for_each_command(cmdtp)
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if(strlen(cmdtp->name) > max_length)
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max_length = strlen(cmdtp->name);
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for_each_command(cmdtp) {
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if (!cmdtp->usage)
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continue;
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printf("%*s - %s\n", max_length, cmdtp->name, cmdtp->usage);
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}
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return 0;
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}
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/* command help (long version) */
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if ((cmdtp = find_cmd(argv[1])) != NULL) {
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barebox_cmd_usage(cmdtp);
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return 0;
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} else {
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printf ("Unknown command '%s' - try 'help'"
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" without arguments for list of all"
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" known commands\n\n", argv[1]
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);
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return 1;
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}
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}
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static const __maybe_unused char cmd_help_help[] =
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"Show help information (for 'command')\n"
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"'help' prints online help for the monitor commands.\n\n"
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"Without arguments, it prints a short usage message for all commands.\n\n"
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"To get detailed help information for specific commands you can type\n"
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"'help' with one or more command names as arguments.\n";
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static const char *help_aliases[] = { "?", NULL};
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BAREBOX_CMD_START(help)
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.cmd = do_help,
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.aliases = help_aliases,
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.usage = "print online help",
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BAREBOX_CMD_HELP(cmd_help_help)
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BAREBOX_CMD_COMPLETE(command_complete)
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BAREBOX_CMD_END
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