grub/grub-core/commands/cat.c
Carles Pina i Estany 1a9130dd3f Add keyboard layouts support.
* Makefile.util.def (grub-mklayout): New file.
	(grub-kbdcomp): New script.
	* grub-core/Makefile.am (KERNEL_HEADER_FILES) [COND_mips_yeeloong]:
	Add keyboard_layouts.h.
	* grub-core/Makefile.core.def (kernel): Add commands/keylayouts.c and
	commands/boot.c on yeeloong.
	(keylayouts): New module.
	* grub-core/bus/usb/ohci.c
	* grub-core/bus/usb/uhci.c
	* grub-core/bus/usb/usbhub.c (rescan): New variable.
	(grub_usb_add_hub): Poll interrupt pipe for device handling.
	(attach_root_port): Likewise.
	(poll_nonroot_hub): Likewise.
	(grub_usb_poll_devices): Likewise.
	(detach_device): Close transfer.
	* grub-core/bus/usb/usbtrans.c (grub_usb_execute_and_wait_transfer): New
	function.
	(grub_usb_bulk_setup_readwrite): Likewise.
	(grub_usb_bulk_finish_readwrite): Likewise.
	* grub-core/commands/keylayouts.c: New file.
	* grub-core/commands/keystatus.c (grub_getkeystatus): New function.
	* grub-core/commands/menuentry.c (hotkey_aliases): All several new
	aliases.
	* grub-core/term/at_keyboard.c: Restructured to use keylayouts and
	support scancode 2.
	* grub-core/term/usb_keyboard.c: Restructured to use keylayouts.
	* include/grub/keyboard_layouts.h: New file.
	* util/grub-mklayout.c: New file.
	* util/grub-kbdcomp.in: Likewise.

	Also-By: Aleš Nesrsta <starous@volny.cz>

	Also-By: Vladimir Serbinenko <phcoder@gmail.com>
2010-09-19 01:01:35 +02:00

102 lines
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/* cat.c - command to show the contents of a file */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2003,2005,2007,2008 Free Software Foundation, Inc.
*
* GRUB 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, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/dl.h>
#include <grub/file.h>
#include <grub/disk.h>
#include <grub/term.h>
#include <grub/misc.h>
#include <grub/extcmd.h>
#include <grub/i18n.h>
static const struct grub_arg_option options[] =
{
{"dos", -1, 0, N_("Accept DOS-style CR/NL line endings."), 0, 0},
{0, 0, 0, 0, 0, 0}
};
static grub_err_t
grub_cmd_cat (grub_extcmd_context_t ctxt, int argc, char **args)
{
struct grub_arg_list *state = ctxt->state;
int dos = 0;
grub_file_t file;
char buf[GRUB_DISK_SECTOR_SIZE];
grub_ssize_t size;
int key = 0;
if (state[0].set)
dos = 1;
if (argc != 1)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "file name required");
file = grub_file_open (args[0]);
if (! file)
return grub_errno;
while ((size = grub_file_read (file, buf, sizeof (buf))) > 0
&& key != GRUB_TERM_ESC)
{
int i;
for (i = 0; i < size; i++)
{
unsigned char c = buf[i];
if ((grub_isprint (c) || grub_isspace (c)) && c != '\r')
grub_printf ("%c", c);
else if (dos && c == '\r' && i + 1 < size && buf[i + 1] == '\n')
{
grub_printf ("\n");
i++;
}
else
{
grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT);
grub_printf ("<%x>", (int) c);
grub_setcolorstate (GRUB_TERM_COLOR_STANDARD);
}
}
while (grub_checkkey () >= 0 &&
(key = grub_getkey ()) != GRUB_TERM_ESC)
;
}
grub_xputs ("\n");
grub_refresh ();
grub_file_close (file);
return 0;
}
static grub_extcmd_t cmd;
GRUB_MOD_INIT(cat)
{
cmd = grub_register_extcmd ("cat", grub_cmd_cat, 0,
N_("FILE"), N_("Show the contents of a file."),
options);
}
GRUB_MOD_FINI(cat)
{
grub_unregister_extcmd (cmd);
}