projects / thirdparty / xfsprogs-dev.git / blame
| Commit | Line | Data |
|---|---|---|
| 959ef981 | 1 | // SPDX-License-Identifier: GPL-2.0 |
| e246ba5f | 2 | /* |
| da23017d NS |
3 | * Copyright (c) 2003-2005 Silicon Graphics, Inc. |
| 4 | * All Rights Reserved. | |
| e246ba5f NS |
5 | */ |
| 6 | ||
| dcabd4e7 | 7 | #include "platform_defs.h" |
| 6b803e5a | 8 | #include "command.h" |
| b20b6c22 | 9 | #include "../quota/init.h" |
| e246ba5f NS |
10 | |
| 11 | static cmdinfo_t help_cmd; | |
| 12 | static void help_onecmd(const char *cmd, const cmdinfo_t *ct); | |
| 13 | static void help_oneline(const char *cmd, const cmdinfo_t *ct); | |
| 14 | ||
| 15 | static void | |
| 16 | help_all(void) | |
| 17 | { | |
| 18 | const cmdinfo_t *ct; | |
| 19 | ||
| 20 | for (ct = cmdtab; ct < &cmdtab[ncmds]; ct++) | |
| 21 | help_oneline(ct->name, ct); | |
| 22 | printf(_("\nUse 'help commandname' for extended help.\n")); | |
| 23 | } | |
| 24 | ||
| 25 | static int | |
| 26 | help_f( | |
| 27 | int argc, | |
| 28 | char **argv) | |
| 29 | { | |
| 30 | const cmdinfo_t *ct; | |
| 31 | ||
| 32 | if (argc == 1) { | |
| 33 | help_all(); | |
| 34 | return 0; | |
| 35 | } | |
| 36 | ct = find_command(argv[1]); | |
| 37 | if (ct == NULL) { | |
| 38 | printf(_("command %s not found\n"), argv[1]); | |
| 39 | return 0; | |
| 40 | } | |
| 41 | help_onecmd(argv[1], ct); | |
| 42 | return 0; | |
| 43 | } | |
| 44 | ||
| 45 | static void | |
| 46 | help_onecmd( | |
| 47 | const char *cmd, | |
| 48 | const cmdinfo_t *ct) | |
| 49 | { | |
| 50 | help_oneline(cmd, ct); | |
| 51 | if (ct->help) | |
| 52 | ct->help(); | |
| 53 | } | |
| 54 | ||
| 55 | static void | |
| 56 | help_oneline( | |
| 57 | const char *cmd, | |
| 58 | const cmdinfo_t *ct) | |
| 59 | { | |
| 60 | if (cmd) | |
| 61 | printf("%s ", cmd); | |
| 62 | else { | |
| 63 | printf("%s ", ct->name); | |
| 64 | if (ct->altname) | |
| 65 | printf("(or %s) ", ct->altname); | |
| 66 | } | |
| 67 | if (ct->args) | |
| 68 | printf("%s ", ct->args); | |
| 69 | printf("-- %s\n", ct->oneline); | |
| 70 | } | |
| 71 | ||
| 72 | void | |
| 73 | help_init(void) | |
| 74 | { | |
| ad765595 AM |
75 | help_cmd.name = "help"; |
| 76 | help_cmd.altname = "?"; | |
| e246ba5f NS |
77 | help_cmd.cfunc = help_f; |
| 78 | help_cmd.argmin = 0; | |
| 79 | help_cmd.argmax = 1; | |
| 92058d25 | 80 | help_cmd.flags = CMD_FLAG_ONESHOT | CMD_FLAG_LIBRARY; |
| e246ba5f NS |
81 | help_cmd.args = _("[command]"); |
| 82 | help_cmd.oneline = _("help for one or all commands"); | |
| 83 | ||
| 84 | add_command(&help_cmd); | |
| 85 | } |