4b13b216f4
All symbols prefixed with PUPA_ and pupa_ are renamed to GRUB_ and grub_, respectively. Because the conversion is trivial and mechanical, I omit the details here. Please refer to the CVS if you need more information.
97 lines
2.3 KiB
C
97 lines
2.3 KiB
C
/* cat.c - command to show the contents of a file */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2003 Free Software Foundation, Inc.
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*
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* GRUB is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <grub/normal.h>
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#include <grub/dl.h>
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#include <grub/arg.h>
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#include <grub/file.h>
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#include <grub/disk.h>
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#include <grub/term.h>
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#include <grub/misc.h>
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static grub_err_t
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grub_cmd_cat (struct grub_arg_list *state __attribute__ ((unused)),
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int argc, char **args)
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{
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grub_file_t file;
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char buf[GRUB_DISK_SECTOR_SIZE];
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grub_ssize_t size;
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if (argc != 1)
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return grub_error (GRUB_ERR_BAD_ARGUMENT, "file name required");
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file = grub_file_open (args[0]);
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if (! file)
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return 0;
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while ((size = grub_file_read (file, buf, sizeof (buf))) > 0)
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{
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int i;
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for (i = 0; i < size; i++)
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{
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unsigned char c = buf[i];
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if (grub_isprint (c) || grub_isspace (c))
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grub_putchar (c);
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else
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{
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grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT);
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grub_printf ("<%x>", (int) c);
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grub_setcolorstate (GRUB_TERM_COLOR_STANDARD);
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}
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}
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}
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grub_putchar ('\n');
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grub_refresh ();
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grub_file_close (file);
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return 0;
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}
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#ifdef GRUB_UTIL
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void
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grub_cat_init (void)
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{
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grub_register_command ("cat", grub_cmd_cat, GRUB_COMMAND_FLAG_BOTH,
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"cat FILE", "Show the contents of a file", 0);
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}
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void
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grub_cat_fini (void)
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{
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grub_unregister_command ("cat");
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}
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#else /* ! GRUB_UTIL */
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GRUB_MOD_INIT
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{
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(void)mod; /* To stop warning. */
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grub_register_command ("cat", grub_cmd_cat, GRUB_COMMAND_FLAG_BOTH,
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"cat FILE", "Show the contents of a file", 0);
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}
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GRUB_MOD_FINI
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{
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grub_unregister_command ("cat");
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}
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#endif /* ! GRUB_UTIL */
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