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-rw-r--r--grub-core/kern/emu/misc.c216
1 files changed, 216 insertions, 0 deletions
diff --git a/grub-core/kern/emu/misc.c b/grub-core/kern/emu/misc.c
new file mode 100644
index 0000000..dfd8a8e
--- /dev/null
+++ b/grub-core/kern/emu/misc.c
@@ -0,0 +1,216 @@
+/*
+ * 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/>.
+ */
+
+#ifndef GRUB_BUILD
+#include <config-util.h>
+#endif
+#include <config.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <sys/time.h>
+#include <sys/types.h>
+
+#include <grub/mm.h>
+#include <grub/err.h>
+#include <grub/env.h>
+#include <grub/types.h>
+#include <grub/misc.h>
+#include <grub/i18n.h>
+#include <grub/time.h>
+#include <grub/emu/misc.h>
+
+int verbosity;
+
+void
+grub_util_warn (const char *fmt, ...)
+{
+ va_list ap;
+
+ fprintf (stderr, _("%s: warning:"), program_name);
+ fprintf (stderr, " ");
+ va_start (ap, fmt);
+ vfprintf (stderr, fmt, ap);
+ va_end (ap);
+ fprintf (stderr, ".\n");
+ fflush (stderr);
+}
+
+void
+grub_util_info (const char *fmt, ...)
+{
+ if (verbosity > 0)
+ {
+ va_list ap;
+
+ fprintf (stderr, _("%s: info:"), program_name);
+ fprintf (stderr, " ");
+ va_start (ap, fmt);
+ vfprintf (stderr, fmt, ap);
+ va_end (ap);
+ fprintf (stderr, ".\n");
+ fflush (stderr);
+ }
+}
+
+void
+grub_util_error (const char *fmt, ...)
+{
+ va_list ap;
+
+ fprintf (stderr, _("%s: error:"), program_name);
+ fprintf (stderr, " ");
+ va_start (ap, fmt);
+ vfprintf (stderr, fmt, ap);
+ va_end (ap);
+ fprintf (stderr, ".\n");
+ exit (1);
+}
+
+void *
+xcalloc (grub_size_t nmemb, grub_size_t size)
+{
+ void *p;
+
+ p = calloc (nmemb, size);
+ if (!p)
+ grub_util_error ("%s", _("out of memory"));
+
+ return p;
+}
+
+void *
+xmalloc (grub_size_t size)
+{
+ void *p;
+
+ p = malloc (size);
+ if (! p)
+ grub_util_error ("%s", _("out of memory"));
+
+ return p;
+}
+
+void *
+xrealloc (void *ptr, grub_size_t size)
+{
+ ptr = realloc (ptr, size);
+ if (! ptr)
+ grub_util_error ("%s", _("out of memory"));
+
+ return ptr;
+}
+
+char *
+xstrdup (const char *str)
+{
+ size_t len;
+ char *newstr;
+
+ len = strlen (str);
+ newstr = (char *) xmalloc (len + 1);
+ memcpy (newstr, str, len + 1);
+
+ return newstr;
+}
+
+#if !defined (GRUB_MKFONT) && !defined (GRUB_BUILD)
+char *
+xasprintf (const char *fmt, ...)
+{
+ va_list ap;
+ char *result;
+
+ va_start (ap, fmt);
+ result = grub_xvasprintf (fmt, ap);
+ va_end (ap);
+ if (!result)
+ grub_util_error ("%s", _("out of memory"));
+
+ return result;
+}
+#endif
+
+#if !defined (GRUB_MACHINE_EMU) || defined (GRUB_UTIL)
+void
+grub_exit (void)
+{
+ exit (1);
+}
+#endif
+
+grub_uint64_t
+grub_get_time_ms (void)
+{
+ struct timeval tv;
+
+ gettimeofday (&tv, 0);
+
+ return (tv.tv_sec * 1000 + tv.tv_usec / 1000);
+}
+
+size_t
+grub_util_get_image_size (const char *path)
+{
+ FILE *f;
+ size_t ret;
+ off_t sz;
+
+ f = grub_util_fopen (path, "rb");
+
+ if (!f)
+ grub_util_error (_("cannot open `%s': %s"), path, strerror (errno));
+
+ fseeko (f, 0, SEEK_END);
+
+ sz = ftello (f);
+ if (sz < 0)
+ grub_util_error (_("cannot open `%s': %s"), path, strerror (errno));
+ if (sz != (size_t) sz)
+ grub_util_error (_("file `%s' is too big"), path);
+ ret = (size_t) sz;
+
+ fclose (f);
+
+ return ret;
+}
+
+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 = grub_util_fopen (path, "rb");
+ if (! fp)
+ grub_util_error (_("cannot open `%s': %s"), path,
+ strerror (errno));
+
+ if (fread (buf, 1, size, fp) != size)
+ grub_util_error (_("cannot read `%s': %s"), path,
+ strerror (errno));
+
+ fclose (fp);
+}