1 files changed, 379 insertions, 0 deletions
diff --git a/util/misc.c b/util/misc.c
new file mode 100644
index 0000000..cfbae60
--- /dev/null
+++ b/util/misc.c
@@ -0,0 +1,379 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2002,2003,2005,2006,2007,2008,2009,2010  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 <config.h>
+
+#include <errno.h>
+#include <setjmp.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <stdint.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <unistd.h>
+#include <time.h>
+
+#include <grub/kernel.h>
+#include <grub/dl.h>
+#include <grub/misc.h>
+#include <grub/cache.h>
+#include <grub/emu/misc.h>
+#include <grub/util/misc.h>
+#include <grub/mm.h>
+#include <grub/term.h>
+#include <grub/time.h>
+#include <grub/i18n.h>
+#include <grub/script_sh.h>
+
+#define ENABLE_RELOCATABLE 0
+#include "progname.h"
+
+/* Include malloc.h, only if memalign is available. It is known that
+   memalign is declared in malloc.h in all systems, if present.  */
+#ifdef HAVE_MEMALIGN
+# include <malloc.h>
+#endif
+
+#ifdef __MINGW32__
+#include <windows.h>
+#include <winioctl.h>
+#endif
+
+#ifdef GRUB_UTIL
+int
+grub_err_printf (const char *fmt, ...)
+{
+  va_list ap;
+  int ret;
+
+  va_start (ap, fmt);
+  ret = vfprintf (stderr, fmt, ap);
+  va_end (ap);
+
+  return ret;
+}
+#endif
+
+char *
+grub_util_get_path (const char *dir, const char *file)
+{
+  char *path;
+
+  path = (char *) xmalloc (strlen (dir) + 1 + strlen (file) + 1);
+  sprintf (path, "%s/%s", dir, file);
+  return path;
+}
+
+size_t
+grub_util_get_fp_size (FILE *fp)
+{
+  struct stat st;
+
+  if (fflush (fp) == EOF)
+    grub_util_error ("fflush failed");
+
+  if (fstat (fileno (fp), &st) == -1)
+    grub_util_error ("fstat failed");
+
+  return st.st_size;
+}
+
+size_t
+grub_util_get_image_size (const char *path)
+{
+  struct stat st;
+
+  grub_util_info ("getting the size of %s", path);
+
+  if (stat (path, &st) == -1)
+    grub_util_error ("cannot stat %s", path);
+
+  return st.st_size;
+}
+
+void
+grub_util_read_at (void *img, size_t size, off_t offset, FILE *fp)
+{
+  if (fseeko (fp, offset, SEEK_SET) == -1)
+    grub_util_error ("seek failed");
+
+  if (fread (img, 1, size, fp) != size)
+    grub_util_error ("read failed");
+}
+
+char *
+grub_util_read_image (const char *path)
+{
+  char *img;
+  FILE *fp;
+  size_t size;
+
+  grub_util_info ("reading %s", path);
+
+  size = grub_util_get_image_size (path);
+  img = (char *) xmalloc (size);
+
+  fp = fopen (path, "rb");
+  if (! fp)
+    grub_util_error ("cannot open %s", path);
+
+  grub_util_read_at (img, size, 0, fp);
+
+  fclose (fp);
+
+  return img;
+}
+
+void
+grub_util_load_image (const char *path, char *buf)
+{
+  FILE *fp;
+  size_t size;
+
+  grub_util_info ("reading %s", path);
+
+  size = grub_util_get_image_size (path);
+
+  fp = fopen (path, "rb");
+  if (! fp)
+    grub_util_error ("cannot open %s", path);
+
+  if (fread (buf, 1, size, fp) != size)
+    grub_util_error ("cannot read %s", path);
+
+  fclose (fp);
+}
+
+void
+grub_util_write_image_at (const void *img, size_t size, off_t offset, FILE *out)
+{
+  grub_util_info ("writing 0x%x bytes at offset 0x%x", size, offset);
+  if (fseeko (out, offset, SEEK_SET) == -1)
+    grub_util_error ("seek failed");
+  if (fwrite (img, 1, size, out) != size)
+    grub_util_error ("write failed");
+}
+
+void
+grub_util_write_image (const char *img, size_t size, FILE *out)
+{
+  grub_util_info ("writing 0x%x bytes", size);
+  if (fwrite (img, 1, size, out) != size)
+    grub_util_error ("write failed");
+}
+
+char *
+grub_script_execute_argument_to_string (struct grub_script_arg *arg __attribute__ ((unused)))
+{
+  return 0;
+}
+
+grub_err_t
+grub_script_execute_cmdline (struct grub_script_cmd *cmd __attribute__ ((unused)))
+{
+  return 0;
+}
+
+grub_err_t
+grub_script_execute_cmdlist (struct grub_script_cmd *cmd __attribute__ ((unused)))
+{
+  return 0;
+}
+
+grub_err_t
+grub_script_execute_cmdif (struct grub_script_cmd *cmd __attribute__ ((unused)))
+{
+  return 0;
+}
+
+grub_err_t
+grub_script_execute_cmdfor (struct grub_script_cmd *cmd __attribute__ ((unused)))
+{
+  return 0;
+}
+
+grub_err_t
+grub_script_execute_cmdwhile (struct grub_script_cmd *cmd __attribute__ ((unused)))
+{
+  return 0;
+}
+
+grub_err_t
+grub_script_execute_menuentry (struct grub_script_cmd *cmd __attribute__ ((unused)))
+{
+  return 0;
+}
+
+grub_err_t
+grub_script_execute (struct grub_script *script)
+{
+  if (script == 0 || script->cmd == 0)
+    return 0;
+
+  return script->cmd->exec (script->cmd);
+}
+
+void
+grub_putchar (int c)
+{
+  putchar (c);
+}
+
+int
+grub_getkey (void)
+{
+  return -1;
+}
+
+void
+grub_refresh (void)
+{
+  fflush (stdout);
+}
+
+static void
+grub_xputs_real (const char *str)
+{
+  fputs (str, stdout);
+}
+
+void (*grub_xputs) (const char *str) = grub_xputs_real;
+
+int
+grub_dl_ref (grub_dl_t mod)
+{
+  (void) mod;
+  return 0;
+}
+
+int
+grub_dl_unref (grub_dl_t mod)
+{
+  (void) mod;
+  return 0;
+}
+
+/* Some functions that we don't use.  */
+void
+grub_mm_init_region (void *addr __attribute__ ((unused)),
+		     grub_size_t size __attribute__ ((unused)))
+{
+}
+
+void
+grub_register_exported_symbols (void)
+{
+}
+
+#ifdef __MINGW32__
+
+void
+grub_millisleep (grub_uint32_t ms)
+{
+  Sleep (ms);
+}
+
+#else
+
+void
+grub_millisleep (grub_uint32_t ms)
+{
+  struct timespec ts;
+
+  ts.tv_sec = ms / 1000;
+  ts.tv_nsec = (ms % 1000) * 1000000;
+  nanosleep (&ts, NULL);
+}
+
+#endif
+
+#ifdef __MINGW32__
+
+void sync (void)
+{
+}
+
+int fsync (int fno __attribute__ ((unused)))
+{
+  return 0;
+}
+
+void sleep (int s)
+{
+  Sleep (s * 1000);
+}
+
+grub_int64_t
+grub_util_get_disk_size (char *name)
+{
+  HANDLE hd;
+  grub_int64_t size = -1LL;
+
+  hd = CreateFile (name, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
+                   0, OPEN_EXISTING, 0, 0);
+
+  if (hd == INVALID_HANDLE_VALUE)
+    return size;
+
+  if (((name[0] == '/') || (name[0] == '\\')) &&
+      ((name[1] == '/') || (name[1] == '\\')) &&
+      (name[2] == '.') &&
+      ((name[3] == '/') || (name[3] == '\\')) &&
+      (! strncasecmp (name + 4, "PHYSICALDRIVE", 13)))
+    {
+      DWORD nr;
+      DISK_GEOMETRY g;
+
+      if (! DeviceIoControl (hd, IOCTL_DISK_GET_DRIVE_GEOMETRY,
+                             0, 0, &g, sizeof (g), &nr, 0))
+        goto fail;
+
+      size = g.Cylinders.QuadPart;
+      size *= g.TracksPerCylinder * g.SectorsPerTrack * g.BytesPerSector;
+    }
+  else
+    {
+      LARGE_INTEGER s;
+
+      s.LowPart = GetFileSize (hd, &s.HighPart);
+      size = s.QuadPart;
+    }
+
+fail:
+
+  CloseHandle (hd);
+
+  return size;
+}
+
+#endif /* __MINGW32__ */
+
+#ifdef GRUB_UTIL
+void
+grub_util_init_nls (void)
+{
+#if (defined(ENABLE_NLS) && ENABLE_NLS)
+  setlocale (LC_ALL, "");
+  bindtextdomain (PACKAGE, LOCALEDIR);
+  textdomain (PACKAGE);
+#endif /* (defined(ENABLE_NLS) && ENABLE_NLS) */
+}
+#endif