502c87e80e
* 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.
97 lines
2.3 KiB
C
97 lines
2.3 KiB
C
/* cat.c - command to show the contents of a file */
|
||
/*
|
||
* GRUB -- GRand Unified Bootloader
|
||
* Copyright (C) 2003,2005 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 2 of the License, or
|
||
* (at your option) any later version.
|
||
*
|
||
* This program 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, write to the Free Software
|
||
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||
*/
|
||
|
||
#include <grub/normal.h>
|
||
#include <grub/dl.h>
|
||
#include <grub/arg.h>
|
||
#include <grub/file.h>
|
||
#include <grub/disk.h>
|
||
#include <grub/term.h>
|
||
#include <grub/misc.h>
|
||
|
||
static grub_err_t
|
||
grub_cmd_cat (struct grub_arg_list *state __attribute__ ((unused)),
|
||
int argc, char **args)
|
||
|
||
{
|
||
grub_file_t file;
|
||
char buf[GRUB_DISK_SECTOR_SIZE];
|
||
grub_ssize_t size;
|
||
|
||
if (argc != 1)
|
||
return grub_error (GRUB_ERR_BAD_ARGUMENT, "file name required");
|
||
|
||
file = grub_file_open (args[0]);
|
||
if (! file)
|
||
return 0;
|
||
|
||
while ((size = grub_file_read (file, buf, sizeof (buf))) > 0)
|
||
{
|
||
int i;
|
||
|
||
for (i = 0; i < size; i++)
|
||
{
|
||
unsigned char c = buf[i];
|
||
|
||
if (grub_isprint (c) || grub_isspace (c))
|
||
grub_putchar (c);
|
||
else
|
||
{
|
||
grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT);
|
||
grub_printf ("<%x>", (int) c);
|
||
grub_setcolorstate (GRUB_TERM_COLOR_STANDARD);
|
||
}
|
||
}
|
||
}
|
||
|
||
grub_putchar ('\n');
|
||
grub_refresh ();
|
||
grub_file_close (file);
|
||
|
||
return 0;
|
||
}
|
||
|
||
|
||
#ifdef GRUB_UTIL
|
||
void
|
||
grub_cat_init (void)
|
||
{
|
||
grub_register_command ("cat", grub_cmd_cat, GRUB_COMMAND_FLAG_BOTH,
|
||
"cat FILE", "Show the contents of a file.", 0);
|
||
}
|
||
|
||
void
|
||
grub_cat_fini (void)
|
||
{
|
||
grub_unregister_command ("cat");
|
||
}
|
||
#else /* ! GRUB_UTIL */
|
||
GRUB_MOD_INIT
|
||
{
|
||
(void) mod; /* To stop warning. */
|
||
grub_register_command ("cat", grub_cmd_cat, GRUB_COMMAND_FLAG_BOTH,
|
||
"cat FILE", "Show the contents of a file.", 0);
|
||
}
|
||
|
||
GRUB_MOD_FINI
|
||
{
|
||
grub_unregister_command ("cat");
|
||
}
|
||
#endif /* ! GRUB_UTIL */
|