380 lines
6.9 KiB
C
380 lines
6.9 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2002,2003,2005,2006,2007,2008,2009,2010 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 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB 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, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <errno.h>
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#include <setjmp.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdint.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <unistd.h>
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#include <time.h>
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#include <grub/kernel.h>
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#include <grub/dl.h>
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#include <grub/misc.h>
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#include <grub/cache.h>
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#include <grub/emu/misc.h>
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#include <grub/util/misc.h>
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#include <grub/mm.h>
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#include <grub/term.h>
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#include <grub/time.h>
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#include <grub/i18n.h>
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#include <grub/script_sh.h>
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#define ENABLE_RELOCATABLE 0
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#include "progname.h"
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/* Include malloc.h, only if memalign is available. It is known that
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memalign is declared in malloc.h in all systems, if present. */
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#ifdef HAVE_MEMALIGN
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# include <malloc.h>
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#endif
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#ifdef __MINGW32__
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#include <windows.h>
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#include <winioctl.h>
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#endif
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#ifdef GRUB_UTIL
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int
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grub_err_printf (const char *fmt, ...)
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{
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va_list ap;
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int ret;
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va_start (ap, fmt);
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ret = vfprintf (stderr, fmt, ap);
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va_end (ap);
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return ret;
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}
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#endif
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char *
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grub_util_get_path (const char *dir, const char *file)
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{
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char *path;
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path = (char *) xmalloc (strlen (dir) + 1 + strlen (file) + 1);
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sprintf (path, "%s/%s", dir, file);
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return path;
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}
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size_t
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grub_util_get_fp_size (FILE *fp)
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{
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struct stat st;
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if (fflush (fp) == EOF)
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grub_util_error ("fflush failed");
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if (fstat (fileno (fp), &st) == -1)
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grub_util_error ("fstat failed");
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return st.st_size;
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}
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size_t
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grub_util_get_image_size (const char *path)
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{
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struct stat st;
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grub_util_info ("getting the size of %s", path);
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if (stat (path, &st) == -1)
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grub_util_error ("cannot stat %s", path);
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return st.st_size;
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}
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void
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grub_util_read_at (void *img, size_t size, off_t offset, FILE *fp)
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{
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if (fseeko (fp, offset, SEEK_SET) == -1)
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grub_util_error ("seek failed");
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if (fread (img, 1, size, fp) != size)
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grub_util_error ("read failed");
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}
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char *
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grub_util_read_image (const char *path)
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{
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char *img;
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FILE *fp;
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size_t size;
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grub_util_info ("reading %s", path);
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size = grub_util_get_image_size (path);
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img = (char *) xmalloc (size);
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fp = fopen (path, "rb");
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if (! fp)
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grub_util_error ("cannot open %s", path);
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grub_util_read_at (img, size, 0, fp);
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fclose (fp);
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return img;
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}
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void
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grub_util_load_image (const char *path, char *buf)
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{
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FILE *fp;
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size_t size;
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grub_util_info ("reading %s", path);
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size = grub_util_get_image_size (path);
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fp = fopen (path, "rb");
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if (! fp)
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grub_util_error ("cannot open %s", path);
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if (fread (buf, 1, size, fp) != size)
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grub_util_error ("cannot read %s", path);
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fclose (fp);
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}
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void
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grub_util_write_image_at (const void *img, size_t size, off_t offset, FILE *out)
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{
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grub_util_info ("writing 0x%x bytes at offset 0x%x", size, offset);
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if (fseeko (out, offset, SEEK_SET) == -1)
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grub_util_error ("seek failed");
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if (fwrite (img, 1, size, out) != size)
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grub_util_error ("write failed");
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}
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void
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grub_util_write_image (const char *img, size_t size, FILE *out)
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{
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grub_util_info ("writing 0x%x bytes", size);
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if (fwrite (img, 1, size, out) != size)
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grub_util_error ("write failed");
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}
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char *
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grub_script_execute_argument_to_string (struct grub_script_arg *arg __attribute__ ((unused)))
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{
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return 0;
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}
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grub_err_t
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grub_script_execute_cmdline (struct grub_script_cmd *cmd __attribute__ ((unused)))
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{
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return 0;
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}
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grub_err_t
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grub_script_execute_cmdlist (struct grub_script_cmd *cmd __attribute__ ((unused)))
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{
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return 0;
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}
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grub_err_t
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grub_script_execute_cmdif (struct grub_script_cmd *cmd __attribute__ ((unused)))
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{
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return 0;
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}
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grub_err_t
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grub_script_execute_cmdfor (struct grub_script_cmd *cmd __attribute__ ((unused)))
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{
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return 0;
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}
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grub_err_t
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grub_script_execute_cmdwhile (struct grub_script_cmd *cmd __attribute__ ((unused)))
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{
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return 0;
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}
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grub_err_t
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grub_script_execute_menuentry (struct grub_script_cmd *cmd __attribute__ ((unused)))
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{
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return 0;
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}
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grub_err_t
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grub_script_execute (struct grub_script *script)
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{
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if (script == 0 || script->cmd == 0)
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return 0;
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return script->cmd->exec (script->cmd);
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}
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void
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grub_putchar (int c)
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{
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putchar (c);
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}
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int
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grub_getkey (void)
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{
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return -1;
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}
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void
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grub_refresh (void)
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{
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fflush (stdout);
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}
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static void
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grub_xputs_real (const char *str)
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{
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fputs (str, stdout);
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}
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void (*grub_xputs) (const char *str) = grub_xputs_real;
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int
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grub_dl_ref (grub_dl_t mod)
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{
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(void) mod;
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return 0;
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}
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int
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grub_dl_unref (grub_dl_t mod)
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{
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(void) mod;
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return 0;
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}
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/* Some functions that we don't use. */
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void
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grub_mm_init_region (void *addr __attribute__ ((unused)),
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grub_size_t size __attribute__ ((unused)))
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{
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}
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void
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grub_register_exported_symbols (void)
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{
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}
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#ifdef __MINGW32__
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void
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grub_millisleep (grub_uint32_t ms)
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{
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Sleep (ms);
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}
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#else
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void
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grub_millisleep (grub_uint32_t ms)
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{
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struct timespec ts;
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ts.tv_sec = ms / 1000;
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ts.tv_nsec = (ms % 1000) * 1000000;
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nanosleep (&ts, NULL);
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}
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#endif
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#ifdef __MINGW32__
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void sync (void)
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{
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}
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int fsync (int fno __attribute__ ((unused)))
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{
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return 0;
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}
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void sleep (int s)
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{
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Sleep (s * 1000);
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}
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grub_int64_t
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grub_util_get_disk_size (char *name)
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{
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HANDLE hd;
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grub_int64_t size = -1LL;
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hd = CreateFile (name, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
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0, OPEN_EXISTING, 0, 0);
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if (hd == INVALID_HANDLE_VALUE)
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return size;
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if (((name[0] == '/') || (name[0] == '\\')) &&
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((name[1] == '/') || (name[1] == '\\')) &&
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(name[2] == '.') &&
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((name[3] == '/') || (name[3] == '\\')) &&
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(! strncasecmp (name + 4, "PHYSICALDRIVE", 13)))
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{
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DWORD nr;
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DISK_GEOMETRY g;
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if (! DeviceIoControl (hd, IOCTL_DISK_GET_DRIVE_GEOMETRY,
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0, 0, &g, sizeof (g), &nr, 0))
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goto fail;
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size = g.Cylinders.QuadPart;
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size *= g.TracksPerCylinder * g.SectorsPerTrack * g.BytesPerSector;
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}
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else
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{
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LARGE_INTEGER s;
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s.LowPart = GetFileSize (hd, &s.HighPart);
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size = s.QuadPart;
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}
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fail:
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CloseHandle (hd);
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return size;
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}
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#endif /* __MINGW32__ */
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#ifdef GRUB_UTIL
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void
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grub_util_init_nls (void)
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{
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#if (defined(ENABLE_NLS) && ENABLE_NLS)
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setlocale (LC_ALL, "");
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bindtextdomain (PACKAGE, LOCALEDIR);
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textdomain (PACKAGE);
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#endif /* (defined(ENABLE_NLS) && ENABLE_NLS) */
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}
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#endif
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