projects / thirdparty / xfsprogs-dev.git / blame
| Commit | Line | Data |
|---|---|---|
| e246ba5f | 1 | /* |
| da23017d NS |
2 | * Copyright (c) 2003-2005 Silicon Graphics, Inc. |
| 3 | * All Rights Reserved. | |
| dfc130f3 | 4 | * |
| da23017d NS |
5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License as | |
| e246ba5f | 7 | * published by the Free Software Foundation. |
| dfc130f3 | 8 | * |
| da23017d NS |
9 | * This program is distributed in the hope that it would be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | * GNU General Public License for more details. | |
| dfc130f3 | 13 | * |
| da23017d NS |
14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write the Free Software Foundation, | |
| 16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
| e246ba5f NS |
17 | */ |
| 18 | ||
| 2a1888c5 | 19 | #include <xfs/xfs.h> |
| 3d93ccb7 | 20 | #include <xfs/command.h> |
| e246ba5f NS |
21 | |
| 22 | static cmdinfo_t help_cmd; | |
| 23 | static void help_onecmd(const char *cmd, const cmdinfo_t *ct); | |
| 24 | static void help_oneline(const char *cmd, const cmdinfo_t *ct); | |
| 25 | ||
| 26 | static void | |
| 27 | help_all(void) | |
| 28 | { | |
| 29 | const cmdinfo_t *ct; | |
| 30 | ||
| 31 | for (ct = cmdtab; ct < &cmdtab[ncmds]; ct++) | |
| 32 | help_oneline(ct->name, ct); | |
| 33 | printf(_("\nUse 'help commandname' for extended help.\n")); | |
| 34 | } | |
| 35 | ||
| 36 | static int | |
| 37 | help_f( | |
| 38 | int argc, | |
| 39 | char **argv) | |
| 40 | { | |
| 41 | const cmdinfo_t *ct; | |
| 42 | ||
| 43 | if (argc == 1) { | |
| 44 | help_all(); | |
| 45 | return 0; | |
| 46 | } | |
| 47 | ct = find_command(argv[1]); | |
| 48 | if (ct == NULL) { | |
| 49 | printf(_("command %s not found\n"), argv[1]); | |
| 50 | return 0; | |
| 51 | } | |
| 52 | help_onecmd(argv[1], ct); | |
| 53 | return 0; | |
| 54 | } | |
| 55 | ||
| 56 | static void | |
| 57 | help_onecmd( | |
| 58 | const char *cmd, | |
| 59 | const cmdinfo_t *ct) | |
| 60 | { | |
| 61 | help_oneline(cmd, ct); | |
| 62 | if (ct->help) | |
| 63 | ct->help(); | |
| 64 | } | |
| 65 | ||
| 66 | static void | |
| 67 | help_oneline( | |
| 68 | const char *cmd, | |
| 69 | const cmdinfo_t *ct) | |
| 70 | { | |
| 71 | if (cmd) | |
| 72 | printf("%s ", cmd); | |
| 73 | else { | |
| 74 | printf("%s ", ct->name); | |
| 75 | if (ct->altname) | |
| 76 | printf("(or %s) ", ct->altname); | |
| 77 | } | |
| 78 | if (ct->args) | |
| 79 | printf("%s ", ct->args); | |
| 80 | printf("-- %s\n", ct->oneline); | |
| 81 | } | |
| 82 | ||
| 83 | void | |
| 84 | help_init(void) | |
| 85 | { | |
| ad765595 AM |
86 | help_cmd.name = "help"; |
| 87 | help_cmd.altname = "?"; | |
| e246ba5f NS |
88 | help_cmd.cfunc = help_f; |
| 89 | help_cmd.argmin = 0; | |
| 90 | help_cmd.argmax = 1; | |
| 802d66e3 | 91 | help_cmd.flags = CMD_FLAG_GLOBAL; |
| e246ba5f NS |
92 | help_cmd.args = _("[command]"); |
| 93 | help_cmd.oneline = _("help for one or all commands"); | |
| 94 | ||
| 95 | add_command(&help_cmd); | |
| 96 | } |