| /* |
| * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc. |
| * All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it would be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <xfs/libxfs.h> |
| #include "command.h" |
| #include "help.h" |
| #include "output.h" |
| |
| static void help_all(void); |
| static void help_onecmd(const char *cmd, const cmdinfo_t *ct); |
| static int help_f(int argc, char **argv); |
| static void help_oneline(const char *cmd, const cmdinfo_t *ct); |
| |
| static const cmdinfo_t help_cmd = |
| { "help", "?", help_f, 0, 1, 0, N_("[command]"), |
| N_("help for one or all commands"), NULL }; |
| |
| static void |
| help_all(void) |
| { |
| const cmdinfo_t *ct; |
| |
| for (ct = cmdtab; ct < &cmdtab[ncmds]; ct++) |
| help_oneline(ct->name, ct); |
| dbprintf(_("\nUse 'help commandname' for extended help.\n")); |
| } |
| |
| static int |
| help_f( |
| int argc, |
| char **argv) |
| { |
| const cmdinfo_t *ct; |
| |
| if (argc == 1) { |
| help_all(); |
| return 0; |
| } |
| ct = find_command(argv[1]); |
| if (ct == NULL) { |
| dbprintf(_("command %s not found\n"), argv[1]); |
| return 0; |
| } |
| help_onecmd(argv[1], ct); |
| return 0; |
| } |
| |
| void |
| help_init(void) |
| { |
| add_command(&help_cmd); |
| } |
| |
| static void |
| help_onecmd( |
| const char *cmd, |
| const cmdinfo_t *ct) |
| { |
| help_oneline(cmd, ct); |
| if (ct->help) |
| ct->help(); |
| } |
| |
| static void |
| help_oneline( |
| const char *cmd, |
| const cmdinfo_t *ct) |
| { |
| if (cmd) |
| dbprintf("%s ", cmd); |
| else { |
| dbprintf("%s ", ct->name); |
| if (ct->altname) |
| dbprintf(_("(or %s) "), ct->altname); |
| } |
| if (ct->args) |
| dbprintf("%s ", ct->args); |
| dbprintf("-- %s\n", ct->oneline); |
| } |