projects / thirdparty / xfsprogs-dev.git / blame
| Commit | Line | Data |
|---|---|---|
| e246ba5f | 1 | /* |
| f72d20ad | 2 | * Copyright (c) 2003-2004 Silicon Graphics, Inc. All Rights Reserved. |
| dfc130f3 | 3 | * |
| e246ba5f NS |
4 | * This program is free software; you can redistribute it and/or modify it |
| 5 | * under the terms of version 2 of the GNU General Public License as | |
| 6 | * published by the Free Software Foundation. | |
| dfc130f3 | 7 | * |
| e246ba5f NS |
8 | * This program is distributed in the hope that it would be useful, but |
| 9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
| dfc130f3 | 11 | * |
| e246ba5f NS |
12 | * Further, this software is distributed without any warranty that it is |
| 13 | * free of the rightful claim of any third person regarding infringement | |
| 14 | * or the like. Any license provided herein, whether implied or | |
| 15 | * otherwise, applies only to this software file. Patent licenses, if | |
| 16 | * any, provided herein do not apply to combinations of this program with | |
| 17 | * other software, or any other product whatsoever. | |
| dfc130f3 | 18 | * |
| e246ba5f NS |
19 | * You should have received a copy of the GNU General Public License along |
| 20 | * with this program; if not, write the Free Software Foundation, Inc., 59 | |
| 21 | * Temple Place - Suite 330, Boston MA 02111-1307, USA. | |
| dfc130f3 | 22 | * |
| e246ba5f NS |
23 | * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, |
| 24 | * Mountain View, CA 94043, or: | |
| dfc130f3 RC |
25 | * |
| 26 | * http://www.sgi.com | |
| 27 | * | |
| 28 | * For further information regarding this notice, see: | |
| 29 | * | |
| e246ba5f NS |
30 | * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ |
| 31 | */ | |
| 32 | ||
| 1d7e80ee | 33 | #include <xfs/libxfs.h> |
| e246ba5f NS |
34 | #include "command.h" |
| 35 | ||
| 36 | static cmdinfo_t help_cmd; | |
| 37 | static void help_onecmd(const char *cmd, const cmdinfo_t *ct); | |
| 38 | static void help_oneline(const char *cmd, const cmdinfo_t *ct); | |
| 39 | ||
| 40 | static void | |
| 41 | help_all(void) | |
| 42 | { | |
| 43 | const cmdinfo_t *ct; | |
| 44 | ||
| 45 | for (ct = cmdtab; ct < &cmdtab[ncmds]; ct++) | |
| 46 | help_oneline(ct->name, ct); | |
| 47 | printf(_("\nUse 'help commandname' for extended help.\n")); | |
| 48 | } | |
| 49 | ||
| 50 | static int | |
| 51 | help_f( | |
| 52 | int argc, | |
| 53 | char **argv) | |
| 54 | { | |
| 55 | const cmdinfo_t *ct; | |
| 56 | ||
| 57 | if (argc == 1) { | |
| 58 | help_all(); | |
| 59 | return 0; | |
| 60 | } | |
| 61 | ct = find_command(argv[1]); | |
| 62 | if (ct == NULL) { | |
| 63 | printf(_("command %s not found\n"), argv[1]); | |
| 64 | return 0; | |
| 65 | } | |
| 66 | help_onecmd(argv[1], ct); | |
| 67 | return 0; | |
| 68 | } | |
| 69 | ||
| 70 | static void | |
| 71 | help_onecmd( | |
| 72 | const char *cmd, | |
| 73 | const cmdinfo_t *ct) | |
| 74 | { | |
| 75 | help_oneline(cmd, ct); | |
| 76 | if (ct->help) | |
| 77 | ct->help(); | |
| 78 | } | |
| 79 | ||
| 80 | static void | |
| 81 | help_oneline( | |
| 82 | const char *cmd, | |
| 83 | const cmdinfo_t *ct) | |
| 84 | { | |
| 85 | if (cmd) | |
| 86 | printf("%s ", cmd); | |
| 87 | else { | |
| 88 | printf("%s ", ct->name); | |
| 89 | if (ct->altname) | |
| 90 | printf("(or %s) ", ct->altname); | |
| 91 | } | |
| 92 | if (ct->args) | |
| 93 | printf("%s ", ct->args); | |
| 94 | printf("-- %s\n", ct->oneline); | |
| 95 | } | |
| 96 | ||
| 97 | void | |
| 98 | help_init(void) | |
| 99 | { | |
| 100 | help_cmd.name = _("help"); | |
| 101 | help_cmd.altname = _("?"); | |
| 102 | help_cmd.cfunc = help_f; | |
| 103 | help_cmd.argmin = 0; | |
| 104 | help_cmd.argmax = 1; | |
| f72d20ad | 105 | help_cmd.foreign = 1; |
| e246ba5f NS |
106 | help_cmd.args = _("[command]"); |
| 107 | help_cmd.oneline = _("help for one or all commands"); | |
| 108 | ||
| 109 | add_command(&help_cmd); | |
| 110 | } |