vbatts/grub
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

2005-07-17 Yoshinori Okuji <okuji@enbug.org>

Browse source 
* commands/cat.c (GRUB_MOD_INIT): Use better documentation.
	(grub_cat_init): Likewise.
	* loader/i386/pc/chainloader_normal.c (GRUB_MOD_INIT): Likewise.
	(options): Likewise.
	* commands/configfile.c (GRUB_MOD_INIT): Likewise.
	(grub_configfile_init): Likewise.
	* font/manager.c (GRUB_MOD_INIT): Likewise.
	* commands/help.c (GRUB_MOD_INIT): Likewise.
	(grub_help_init): Likewise.
	* normal/command.c (grub_command_init): Likewise.
	* loader/i386/pc/linux_normal.c (GRUB_MOD_INIT): Likewise.
	* disk/loopback.c (grub_loop_init): Likewise.
	(GRUB_MOD_INIT): Likewise.
	* commands/ls.c (grub_ls_init): Likewise.
	(GRUB_MOD_INIT): Likewise.
	(options): Likewise.
	* commands/boot.c (grub_boot_init): Likewise.
	(GRUB_MOD_INIT): Likewise.
	* loader/i386/pc/multiboot_normal.c (GRUB_MOD_INIT): Likewise.
	* commands/i386/pc/reboot.c (grub_reboot_init): Likewise.
	(GRUB_MOD_INIT): Likewise.
	* commands/cmp.c (grub_cmp_init): Likewise.
	(GRUB_MOD_INIT): Likewise.

	* normal/arg.c: Use <> instead of "" to include header files.
	(SHORT_ARG_HELP): New macro.
	(SHORT_ARG_USAGE): Likewise.
	(help_options): Specify SHORT_ARG_HELP and SHORT_ARG_USAGE instead
	of 'h' and 'u' for help and usage, respectively. Use more GNU-like
	descriptions.
	(find_short): Check if C is 'h' or 'u' explicitly.
	(grub_arg_show_help): Use space characters instead of tabs. Treat
	SHORT_ARG_HELP and SHORT_ARG_USAGE exceptionally so that -h and -u
	are shown with --help and --usage only if they are not used for
	the command itself.
	(parse_option): Use SHORT_ARG_HELP and SHORT_ARG_USAGE instead of
	'h' and 'u'.

	* include/grub/arg.h (struct grub_arg_option): Add the qualifier
	const into "longarg". Change the type of "shortarg" to int.
This commit is contained in:
okuji 2005-07-17 20:26:07 +00:00
parent f806d18efd
commit 502c87e80e
17 changed files with 174 additions and 72 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

43
ChangeLog
View file

@ -1,3 +1,46 @@
2005-07-17 Yoshinori Okuji <okuji@enbug.org>
* commands/cat.c (GRUB_MOD_INIT): Use better documentation.
(grub_cat_init): Likewise.
* loader/i386/pc/chainloader_normal.c (GRUB_MOD_INIT): Likewise.
(options): Likewise.
* commands/configfile.c (GRUB_MOD_INIT): Likewise.
(grub_configfile_init): Likewise.
* font/manager.c (GRUB_MOD_INIT): Likewise.
* commands/help.c (GRUB_MOD_INIT): Likewise.
(grub_help_init): Likewise.
* normal/command.c (grub_command_init): Likewise.
* loader/i386/pc/linux_normal.c (GRUB_MOD_INIT): Likewise.
* disk/loopback.c (grub_loop_init): Likewise.
(GRUB_MOD_INIT): Likewise.
* commands/ls.c (grub_ls_init): Likewise.
(GRUB_MOD_INIT): Likewise.
(options): Likewise.
* commands/boot.c (grub_boot_init): Likewise.
(GRUB_MOD_INIT): Likewise.
* loader/i386/pc/multiboot_normal.c (GRUB_MOD_INIT): Likewise.
* commands/i386/pc/reboot.c (grub_reboot_init): Likewise.
(GRUB_MOD_INIT): Likewise.
* commands/cmp.c (grub_cmp_init): Likewise.
(GRUB_MOD_INIT): Likewise.
* normal/arg.c: Use <> instead of "" to include header files.
(SHORT_ARG_HELP): New macro.
(SHORT_ARG_USAGE): Likewise.
(help_options): Specify SHORT_ARG_HELP and SHORT_ARG_USAGE instead
of 'h' and 'u' for help and usage, respectively. Use more GNU-like
descriptions.
(find_short): Check if C is 'h' or 'u' explicitly.
(grub_arg_show_help): Use space characters instead of tabs. Treat
SHORT_ARG_HELP and SHORT_ARG_USAGE exceptionally so that -h and -u
are shown with --help and --usage only if they are not used for
the command itself.
(parse_option): Use SHORT_ARG_HELP and SHORT_ARG_USAGE instead of
'h' and 'u'.
* include/grub/arg.h (struct grub_arg_option): Add the qualifier
const into "longarg". Change the type of "shortarg" to int.
2005-07-17 Yoshinori Okuji <okuji@enbug.org> 2005-07-17 Yoshinori Okuji <okuji@enbug.org>
* boot/i386/pc/boot.S (boot_drive_check): New label. * boot/i386/pc/boot.S (boot_drive_check): New label.

6
commands/boot.c
View file

@ -1,7 +1,7 @@
/* boot.c - command to boot an operating system */ /* boot.c - command to boot an operating system */
/* /*
* GRUB -- GRand Unified Bootloader * GRUB -- GRand Unified Bootloader
* Copyright (C) 2003 Free Software Foundation, Inc. * Copyright (C) 2003,2005 Free Software Foundation, Inc.
* *
* GRUB is free software; you can redistribute it and/or modify * GRUB is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
@ -43,7 +43,7 @@ void
grub_boot_init (void) grub_boot_init (void)
{ {
grub_register_command ("boot", grub_cmd_boot, GRUB_COMMAND_FLAG_BOTH, grub_register_command ("boot", grub_cmd_boot, GRUB_COMMAND_FLAG_BOTH,
"boot", "Boot an operating system", 0); "boot", "Boot an operating system.", 0);
} }
void void
@ -56,7 +56,7 @@ GRUB_MOD_INIT
{ {
(void) mod; /* To stop warning. */ (void) mod; /* To stop warning. */
grub_register_command ("boot", grub_cmd_boot, GRUB_COMMAND_FLAG_BOTH, grub_register_command ("boot", grub_cmd_boot, GRUB_COMMAND_FLAG_BOTH,
"boot", "Boot an operating system", 0); "boot", "Boot an operating system.", 0);
} }
GRUB_MOD_FINI GRUB_MOD_FINI

6
commands/cat.c
View file

@ -1,7 +1,7 @@
/* cat.c - command to show the contents of a file */ /* cat.c - command to show the contents of a file */
/* /*
* GRUB -- GRand Unified Bootloader * GRUB -- GRand Unified Bootloader
* Copyright (C) 2003 Free Software Foundation, Inc. * Copyright (C) 2003,2005 Free Software Foundation, Inc.
* *
* GRUB is free software; you can redistribute it and/or modify * GRUB is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
@ -74,7 +74,7 @@ void
grub_cat_init (void) grub_cat_init (void)
{ {
grub_register_command ("cat", grub_cmd_cat, GRUB_COMMAND_FLAG_BOTH, grub_register_command ("cat", grub_cmd_cat, GRUB_COMMAND_FLAG_BOTH,
"cat FILE", "Show the contents of a file", 0); "cat FILE", "Show the contents of a file.", 0);
} }
void void
@ -87,7 +87,7 @@ GRUB_MOD_INIT
{ {
(void) mod; /* To stop warning. */ (void) mod; /* To stop warning. */
grub_register_command ("cat", grub_cmd_cat, GRUB_COMMAND_FLAG_BOTH, grub_register_command ("cat", grub_cmd_cat, GRUB_COMMAND_FLAG_BOTH,
"cat FILE", "Show the contents of a file", 0); "cat FILE", "Show the contents of a file.", 0);
} }
GRUB_MOD_FINI GRUB_MOD_FINI

6
commands/cmp.c
View file

@ -1,7 +1,7 @@
/* cmd.c - command to cmp an operating system */ /* cmd.c - command to cmp an operating system */
/* /*
* GRUB -- GRand Unified Bootloader * GRUB -- GRand Unified Bootloader
* Copyright (C) 2003 Free Software Foundation, Inc. * Copyright (C) 2003,2005 Free Software Foundation, Inc.
* *
* GRUB is free software; you can redistribute it and/or modify * GRUB is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
@ -106,7 +106,7 @@ void
grub_cmp_init (void) grub_cmp_init (void)
{ {
grub_register_command ("cmp", grub_cmd_cmp, GRUB_COMMAND_FLAG_BOTH, grub_register_command ("cmp", grub_cmd_cmp, GRUB_COMMAND_FLAG_BOTH,
"cmp FILE1 FILE2", "Compare two files", 0); "cmp FILE1 FILE2", "Compare two files.", 0);
} }
void void
@ -119,7 +119,7 @@ GRUB_MOD_INIT
{ {
(void) mod; /* To stop warning. */ (void) mod; /* To stop warning. */
grub_register_command ("cmp", grub_cmd_cmp, GRUB_COMMAND_FLAG_BOTH, grub_register_command ("cmp", grub_cmd_cmp, GRUB_COMMAND_FLAG_BOTH,
"cmp FILE1 FILE2", "Compare two files", 0); "cmp FILE1 FILE2", "Compare two files.", 0);
} }
GRUB_MOD_FINI GRUB_MOD_FINI

4
commands/configfile.c
View file

@ -45,7 +45,7 @@ grub_configfile_init (void)
{ {
grub_register_command ("configfile", grub_cmd_configfile, grub_register_command ("configfile", grub_cmd_configfile,
GRUB_COMMAND_FLAG_BOTH, "configfile FILE", GRUB_COMMAND_FLAG_BOTH, "configfile FILE",
"Load config file", 0); "Load another config file.", 0);
} }
void void
@ -59,7 +59,7 @@ GRUB_MOD_INIT
(void) mod; /* To stop warning. */ (void) mod; /* To stop warning. */
grub_register_command ("configfile", grub_cmd_configfile, grub_register_command ("configfile", grub_cmd_configfile,
GRUB_COMMAND_FLAG_BOTH, "configfile FILE", GRUB_COMMAND_FLAG_BOTH, "configfile FILE",
"Load config file", 0); "Load another config file.", 0);
} }
GRUB_MOD_FINI GRUB_MOD_FINI

4
commands/help.c
View file

@ -99,7 +99,7 @@ void
grub_help_init (void) grub_help_init (void)
{ {
grub_register_command ("help", grub_cmd_help, GRUB_COMMAND_FLAG_CMDLINE, grub_register_command ("help", grub_cmd_help, GRUB_COMMAND_FLAG_CMDLINE,
"help [PATTERN ...]", "Shows a help message", 0); "help [PATTERN ...]", "Show a help message.", 0);
} }
void void
@ -112,7 +112,7 @@ GRUB_MOD_INIT
{ {
(void)mod; /* To stop warning. */ (void)mod; /* To stop warning. */
grub_register_command ("help", grub_cmd_help, GRUB_COMMAND_FLAG_CMDLINE, grub_register_command ("help", grub_cmd_help, GRUB_COMMAND_FLAG_CMDLINE,
"help [PATTERN ...]", "Shows a help message", 0); "help [PATTERN ...]", "Show a help message.", 0);
} }
GRUB_MOD_FINI GRUB_MOD_FINI

4
commands/i386/pc/halt.c
View file

@ -25,7 +25,7 @@
static const struct grub_arg_option options[] = static const struct grub_arg_option options[] =
{ {
{"no-apm", 'n', 0, "Don't use APM to halt the computer", 0, 0}, {"no-apm", 'n', 0, "do not use APM to halt the computer", 0, 0},
{0, 0, 0, 0, 0, 0} {0, 0, 0, 0, 0, 0}
}; };
@ -63,7 +63,7 @@ GRUB_MOD_INIT
{ {
(void)mod; /* To stop warning. */ (void)mod; /* To stop warning. */
grub_register_command ("halt", grub_cmd_halt, GRUB_COMMAND_FLAG_BOTH, grub_register_command ("halt", grub_cmd_halt, GRUB_COMMAND_FLAG_BOTH,
"halt [OPTIONS...]", "halt [-n]",
"Halt the system, if possible using APM", options); "Halt the system, if possible using APM", options);
} }

2
commands/i386/pc/reboot.c
View file

@ -40,7 +40,7 @@ void
grub_reboot_init (void) grub_reboot_init (void)
{ {
grub_register_command ("reboot", grub_cmd_reboot, GRUB_COMMAND_FLAG_BOTH, grub_register_command ("reboot", grub_cmd_reboot, GRUB_COMMAND_FLAG_BOTH,
"reboot", "Reboot the computer", 0); "reboot", "Reboot the computer.", 0);
} }
void void

14
commands/ls.c
View file

@ -33,9 +33,9 @@
static const struct grub_arg_option options[] = static const struct grub_arg_option options[] =
{ {
{"long", 'l', 0, "Show a long list with more detailed information", 0, 0}, {"long", 'l', 0, "show a long list with more detailed information", 0, 0},
{"human-readable", 'h', 0, "Print sizes in a human readable format", 0, 0}, {"human-readable", 'h', 0, "print sizes in a human readable format", 0, 0},
{"all", 'a', 0, "List all files", 0, 0}, {"all", 'a', 0, "list all files", 0, 0},
{0, 0, 0, 0, 0, 0} {0, 0, 0, 0, 0, 0}
}; };
@ -241,8 +241,8 @@ void
grub_ls_init (void) grub_ls_init (void)
{ {
grub_register_command ("ls", grub_cmd_ls, GRUB_COMMAND_FLAG_BOTH, grub_register_command ("ls", grub_cmd_ls, GRUB_COMMAND_FLAG_BOTH,
"ls [OPTIONS...] [DIR]", "ls [-l|-h|-a] [FILE]",
"List devices and files", options); "List devices and files.", options);
} }
void void
@ -255,8 +255,8 @@ GRUB_MOD_INIT
{ {
(void)mod; /* To stop warning. */ (void)mod; /* To stop warning. */
grub_register_command ("ls", grub_cmd_ls, GRUB_COMMAND_FLAG_BOTH, grub_register_command ("ls", grub_cmd_ls, GRUB_COMMAND_FLAG_BOTH,
"ls [OPTIONS...] [DIR]", "ls [-l|-h|-a] [FILE]",
"List devices and files", options); "List devices and files.", options);
} }
GRUB_MOD_FINI GRUB_MOD_FINI

10
disk/loopback.c
View file

@ -38,8 +38,8 @@ static struct grub_loopback *loopback_list;
static const struct grub_arg_option options[] = static const struct grub_arg_option options[] =
{ {
{"delete", 'd', 0, "Delete the loopback device entry", 0, 0}, {"delete", 'd', 0, "delete the loopback device entry", 0, 0},
{"partitions", 'p', 0, "Set that the drive has partitions to" {"partitions", 'p', 0, "set that the drive has partitions to"
" simulate a harddrive", 0, 0}, " simulate a harddrive", 0, 0},
{0, 0, 0, 0, 0, 0} {0, 0, 0, 0, 0, 0}
}; };
@ -245,7 +245,8 @@ void
grub_loop_init (void) grub_loop_init (void)
{ {
grub_register_command ("loopback", grub_cmd_loopback, GRUB_COMMAND_FLAG_BOTH, grub_register_command ("loopback", grub_cmd_loopback, GRUB_COMMAND_FLAG_BOTH,
"loopback [OPTIONS] DEVICENAME FILE", "Makes a device of a file", options); "loopback [-d|-p] DEVICENAME FILE",
"Make a device of a file.", options);
grub_disk_dev_register (&grub_loopback_dev); grub_disk_dev_register (&grub_loopback_dev);
} }
@ -260,7 +261,8 @@ GRUB_MOD_INIT
{ {
(void)mod; /* To stop warning. */ (void)mod; /* To stop warning. */
grub_register_command ("loopback", grub_cmd_loopback, GRUB_COMMAND_FLAG_BOTH, grub_register_command ("loopback", grub_cmd_loopback, GRUB_COMMAND_FLAG_BOTH,
"loopback [OPTIONS] DEVICENAME FILE", "Makes a device of a file", options); "loopback [-d|-p] DEVICENAME FILE",
"Make a device of a file.", options);
grub_disk_dev_register (&grub_loopback_dev); grub_disk_dev_register (&grub_loopback_dev);
} }

5
font/manager.c
View file

@ -1,6 +1,6 @@
/* /*
* GRUB -- GRand Unified Bootloader * GRUB -- GRand Unified Bootloader
* Copyright (C) 2003 Free Software Foundation, Inc. * Copyright (C) 2003,2005 Free Software Foundation, Inc.
* *
* This program is free software; you can redistribute it and/or modify * 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 * it under the terms of the GNU General Public License as published by
@ -236,7 +236,8 @@ GRUB_MOD_INIT
{ {
(void) mod; /* Stop warning. */ (void) mod; /* Stop warning. */
grub_register_command ("font", font_command, GRUB_COMMAND_FLAG_BOTH, grub_register_command ("font", font_command, GRUB_COMMAND_FLAG_BOTH,
"font FILE...", "Specify a font file to display.", 0); "font FILE...",
"Specify one or more font files to display.", 0);
} }
GRUB_MOD_FINI GRUB_MOD_FINI

6
include/grub/arg.h
View file

@ -1,6 +1,6 @@
/* /*
* GRUB -- GRand Unified Bootloader * GRUB -- GRand Unified Bootloader
* Copyright (C) 2003 Free Software Foundation, Inc. * Copyright (C) 2003,2005 Free Software Foundation, Inc.
* *
* GRUB is free software; you can redistribute it and/or modify * GRUB is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
@ -49,8 +49,8 @@ typedef enum grub_key_type grub_arg_key_type_t;
struct grub_arg_option struct grub_arg_option
{ {
char *longarg; const char *longarg;
char shortarg; int shortarg;
int flags; int flags;
char *doc; char *doc;
char *arg; char *arg;

6
loader/i386/pc/chainloader_normal.c
View file

@ -25,7 +25,7 @@
static const struct grub_arg_option options[] = static const struct grub_arg_option options[] =
{ {
{"force", 'f', 0, "Skip bootsector magic number test.", 0, 0}, {"force", 'f', 0, "skip bootsector magic number test", 0, 0},
{0, 0, 0, 0, 0, 0} {0, 0, 0, 0, 0, 0}
}; };
@ -47,8 +47,8 @@ GRUB_MOD_INIT
(void) mod; /* To stop warning. */ (void) mod; /* To stop warning. */
grub_register_command ("chainloader", chainloader_command, grub_register_command ("chainloader", chainloader_command,
GRUB_COMMAND_FLAG_BOTH, GRUB_COMMAND_FLAG_BOTH,
"chainloader [options] FILE", "chainloader [-f] FILE",
"Prepare to boot another boot loader", options); "Prepare to boot another boot loader.", options);
} }
GRUB_MOD_FINI GRUB_MOD_FINI

6
loader/i386/pc/linux_normal.c
View file

@ -1,7 +1,7 @@
/* linux_normal.c - boot another boot loader */ /* linux_normal.c - boot another boot loader */
/* /*
* GRUB -- GRand Unified Bootloader * GRUB -- GRand Unified Bootloader
* Copyright (C) 2004 Free Software Foundation, Inc. * Copyright (C) 2004,2005 Free Software Foundation, Inc.
* *
* This program is free software; you can redistribute it and/or modify * 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 * it under the terms of the GNU General Public License as published by
@ -46,12 +46,12 @@ GRUB_MOD_INIT
grub_register_command ("linux", grub_normal_linux_command, grub_register_command ("linux", grub_normal_linux_command,
GRUB_COMMAND_FLAG_BOTH, GRUB_COMMAND_FLAG_BOTH,
"linux FILE [ARGS...]", "linux FILE [ARGS...]",
"Load linux", 0); "Load a linux kernel.", 0);
grub_register_command ("initrd", grub_normal_initrd_command, grub_register_command ("initrd", grub_normal_initrd_command,
GRUB_COMMAND_FLAG_BOTH, GRUB_COMMAND_FLAG_BOTH,
"initrd FILE", "initrd FILE",
"Load initrd", 0); "Load an initrd.", 0);
} }
GRUB_MOD_FINI GRUB_MOD_FINI

6
loader/i386/pc/multiboot_normal.c
View file

@ -1,7 +1,7 @@
/* multiboot_normal.c - boot another boot loader */ /* multiboot_normal.c - boot another boot loader */
/* /*
* GRUB -- GRand Unified Bootloader * GRUB -- GRand Unified Bootloader
* Copyright (C) 2004 Free Software Foundation, Inc. * Copyright (C) 2004,2005 Free Software Foundation, Inc.
* *
* This program is free software; you can redistribute it and/or modify * 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 * it under the terms of the GNU General Public License as published by
@ -46,12 +46,12 @@ GRUB_MOD_INIT
grub_register_command ("multiboot", grub_normal_cmd_multiboot, grub_register_command ("multiboot", grub_normal_cmd_multiboot,
GRUB_COMMAND_FLAG_BOTH | GRUB_COMMAND_FLAG_NO_ARG_PARSE, GRUB_COMMAND_FLAG_BOTH | GRUB_COMMAND_FLAG_NO_ARG_PARSE,
"multiboot FILE [ARGS...]", "multiboot FILE [ARGS...]",
"Load a multiboot kernel", 0); "Load a Multiboot kernel.", 0);
grub_register_command ("module", grub_normal_cmd_module, grub_register_command ("module", grub_normal_cmd_module,
GRUB_COMMAND_FLAG_BOTH | GRUB_COMMAND_FLAG_NO_ARG_PARSE, GRUB_COMMAND_FLAG_BOTH | GRUB_COMMAND_FLAG_NO_ARG_PARSE,
"module FILE [ARGS...]", "module FILE [ARGS...]",
"Load a multiboot module", 0); "Load a Multiboot module.", 0);
} }
GRUB_MOD_FINI GRUB_MOD_FINI

91
normal/arg.c
View file

@ -1,7 +1,7 @@
/* arg.c - argument parser */ /* arg.c - argument parser */
/* /*
* GRUB -- GRand Unified Bootloader * GRUB -- GRand Unified Bootloader
* Copyright (C) 2003, 2004 Free Software Foundation, Inc. * Copyright (C) 2003,2004,2005 Free Software Foundation, Inc.
* *
* GRUB is free software; you can redistribute it and/or modify * GRUB is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
@ -18,17 +18,23 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/ */
#include "grub/arg.h" #include <grub/arg.h>
#include "grub/misc.h" #include <grub/misc.h>
#include "grub/mm.h" #include <grub/mm.h>
#include "grub/err.h" #include <grub/err.h>
#include "grub/normal.h" #include <grub/normal.h>
#include <grub/term.h>
/* Built-in parser for default options. */
#define SHORT_ARG_HELP -100
#define SHORT_ARG_USAGE -101
/* Build in parser for default options. */
static const struct grub_arg_option help_options[] = static const struct grub_arg_option help_options[] =
{ {
{"help", 'h', 0, "Display help", 0, ARG_TYPE_NONE}, {"help", SHORT_ARG_HELP, 0,
{"usage", 'u', 0, "Show how to use this command", 0, ARG_TYPE_NONE}, "display this help and exit", 0, ARG_TYPE_NONE},
{"usage", SHORT_ARG_USAGE, 0,
"display the usage of this command and exit", 0, ARG_TYPE_NONE},
{0, 0, 0, 0, 0, 0} {0, 0, 0, 0, 0, 0}
}; };
@ -51,8 +57,23 @@ find_short (const struct grub_arg_option *options, char c)
if (options) if (options)
found = fnd_short (options); found = fnd_short (options);
if (! found) if (! found)
found = fnd_short (help_options); {
switch (c)
{
case 'h':
found = (struct grub_arg_option *) help_options;
break;
case 'u':
found = (struct grub_arg_option *) (help_options + 1);
break;
default:
break;
}
}
return found; return found;
} }
@ -89,6 +110,7 @@ find_long (const struct grub_arg_option *options, char *s)
if (options) if (options)
found = fnd_long (options); found = fnd_long (options);
if (! found) if (! found)
found = fnd_long (help_options); found = fnd_long (help_options);
@ -104,24 +126,55 @@ show_usage (grub_command_t cmd)
void void
grub_arg_show_help (grub_command_t cmd) grub_arg_show_help (grub_command_t cmd)
{ {
static void showargs (const struct grub_arg_option *opt) auto void showargs (const struct grub_arg_option *opt);
int h_is_used = 0;
int u_is_used = 0;
auto void showargs (const struct grub_arg_option *opt)
{ {
for (; opt->doc; opt++) for (; opt->doc; opt++)
{ {
int spacing = 20;
if (opt->shortarg && grub_isgraph (opt->shortarg)) if (opt->shortarg && grub_isgraph (opt->shortarg))
grub_printf ("-%c%c ", opt->shortarg, opt->longarg ? ',':' '); grub_printf ("-%c%c ", opt->shortarg, opt->longarg ? ',':' ');
else if (opt->shortarg == SHORT_ARG_HELP && ! h_is_used)
grub_printf ("-h, ");
else if (opt->shortarg == SHORT_ARG_USAGE && ! u_is_used)
grub_printf ("-u, ");
else else
grub_printf (" "); grub_printf (" ");
if (opt->longarg) if (opt->longarg)
{ {
grub_printf ("--%s", opt->longarg); grub_printf ("--%s", opt->longarg);
if (opt->arg) spacing -= grub_strlen (opt->longarg);
grub_printf ("=%s", opt->arg);
}
else
grub_printf ("\t");
grub_printf ("\t\t%s\n", opt->doc); if (opt->arg)
{
grub_printf ("=%s", opt->arg);
spacing -= grub_strlen (opt->arg) + 1;
}
}
while (spacing-- > 0)
grub_putchar (' ');
grub_printf ("%s\n", opt->doc);
switch (opt->shortarg)
{
case 'h':
h_is_used = 1;
break;
case 'u':
u_is_used = 1;
break;
default:
break;
}
} }
} }
@ -141,11 +194,11 @@ parse_option (grub_command_t cmd, int key, char *arg, struct grub_arg_list *usr)
{ {
switch (key) switch (key)
{ {
case 'h': case SHORT_ARG_HELP:
grub_arg_show_help (cmd); grub_arg_show_help (cmd);
return -1; return -1;
case 'u': case SHORT_ARG_USAGE:
show_usage (cmd); show_usage (cmd);
return -1; return -1;

9
normal/command.c
View file

@ -382,16 +382,19 @@ grub_command_init (void)
grub_register_command ("title", 0, GRUB_COMMAND_FLAG_TITLE, 0, 0, 0); grub_register_command ("title", 0, GRUB_COMMAND_FLAG_TITLE, 0, 0, 0);
grub_register_command ("rescue", rescue_command, GRUB_COMMAND_FLAG_BOTH, grub_register_command ("rescue", rescue_command, GRUB_COMMAND_FLAG_BOTH,
"rescue", "Enter into the rescue mode.", 0); "rescue", "Go back to the rescue mode.", 0);
grub_register_command ("set", set_command, GRUB_COMMAND_FLAG_BOTH, grub_register_command ("set", set_command, GRUB_COMMAND_FLAG_BOTH,
"set [ENVVAR=VALUE]", "Set an environment variable.", 0); "set [ENVVAR=VALUE]",
"Set an environment variable.", 0);
grub_register_command ("unset", unset_command, GRUB_COMMAND_FLAG_BOTH, grub_register_command ("unset", unset_command, GRUB_COMMAND_FLAG_BOTH,
"unset ENVVAR", "Remove an environment variable.", 0); "unset ENVVAR", "Remove an environment variable.", 0);
grub_register_command ("insmod", insmod_command, GRUB_COMMAND_FLAG_BOTH, grub_register_command ("insmod", insmod_command, GRUB_COMMAND_FLAG_BOTH,
"insmod MODULE|FILE", "Insert a module.", 0); "insmod MODULE",
"Insert a module. The argument can be a file or a module name.",
0);
grub_register_command ("rmmod", rmmod_command, GRUB_COMMAND_FLAG_BOTH, grub_register_command ("rmmod", rmmod_command, GRUB_COMMAND_FLAG_BOTH,
"rmmod MODULE", "Remove a module.", 0); "rmmod MODULE", "Remove a module.", 0);