--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/strops.c	Thu Feb 14 01:43:26 2013 +0900
@@ -0,0 +1,165 @@
+/*
+ *  Copyright (C) 1999-2003 Hewlett-Packard Co.
+ *	Contributed by Stephane Eranian <eranian@hpl.hp.com>
+ *
+ * This file is part of the ELILO, the EFI Linux boot loader.
+ *
+ *  ELILO 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, or (at your option)
+ *  any later version.
+ *
+ *  ELILO 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 ELILO; see the file COPYING.  If not, write to the Free
+ *  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ *  02111-1307, USA.
+ *
+ * Please check out the elilo.txt for complete documentation on how
+ * to use this program.
+ */
+
+#include <efi.h>
+#include <efilib.h>
+
+//#define CHAR_NULL	(CHAR16)'\0'
+
+CHAR16 *
+StrChr(IN const CHAR16 *s, IN const CHAR16 c)
+{
+        for(; *s != c; ++s)  if (*s == CHAR_NULL) return NULL;
+
+        return (CHAR16 *)s;
+}
+
+CHAR16 *
+StrnCpy(OUT CHAR16 *dst, IN const CHAR16 *src, IN UINTN size)
+{
+	CHAR16 *res = dst;
+
+	while (size && size-- && (*dst++ = *src++) != CHAR_NULL);
+	/*
+	 * does the null padding
+	 */
+	while (size && size-- > 0) *dst++ = CHAR_NULL;
+
+	return res;
+}
+
+CHAR8 *
+StrnXCpy(OUT CHAR8 *dst, IN const CHAR16 *src, IN UINTN size)
+{
+	CHAR8 *res = dst;
+
+	while (size && size-- && (*dst++ = (CHAR8)*src++) != '\0');
+	/*
+	 * does the null padding
+	 */
+	while (size && size-- > 0) *dst++ = '\0';
+
+	return res;
+}
+	
+VOID
+U2ascii(CHAR16 *in, CHAR8 *out, UINTN maxlen)
+{
+	while(maxlen-- > 1 && (*out++ = *in++));
+	*out = '\0';
+}
+	
+CHAR8 *
+strncpya(OUT CHAR8 *dst, IN const CHAR8 *src, IN UINTN size)
+{
+	CHAR8 *res = dst;
+
+	while (size && size-- && (*dst++ = *src++) != '\0');
+	/*
+	 * does the null padding
+	 */
+	while (size && size-- > 0) *dst++ = '\0';
+
+	return res;
+}
+
+CHAR8 *
+strcpya(CHAR8 *dst, const CHAR8 *src)
+{
+	CHAR8 *tmp = dst;
+
+    while (*src) {
+        *(dst++) = *(src++);
+    }
+    *dst = 0;
+
+    return tmp;
+
+}
+
+CHAR8 *
+strchra(IN const CHAR8 *s, IN const CHAR8 c)
+{
+        for(; *s != c; ++s)   
+                if (*s == 0) return NULL;
+        return (CHAR8 *)s;
+}
+
+CHAR8 *
+strcata(IN CHAR8 *dst,IN CHAR8 *src)
+{   
+    return strcpya(dst+strlena(dst), src);
+}
+
+CHAR8 *
+strrchra(IN const CHAR8 *s, const INTN c)
+{
+  CHAR8 *found, *p, ch = (CHAR8)c;
+
+  /* Since strchr is fast, we use it rather than the obvious loop.  */
+
+  if (ch == '\0') return strchra(s, '\0');
+
+  found = NULL;
+  while ((p = strchra(s, ch)) != NULL)
+    {
+      found = p;
+      s = p + 1;
+    }
+
+  return (CHAR8 *) found;
+}
+
+CHAR8 *
+strtok_simple(CHAR8 *in, CHAR8 c)
+{
+	static CHAR8 *last;
+	CHAR8 *tmp;
+
+	if (in == NULL) in = last;
+
+	if (in == NULL) return NULL;
+
+	if (*in == c) in++;
+
+	tmp = strchra(in, c);
+	if (tmp) {
+		*tmp = '\0';
+		last = tmp+1;
+	} else {
+		last = NULL;
+	}
+	return in;
+}
+	
+VOID
+ascii2U(CHAR8 *in, CHAR16 *out, UINTN maxlen)
+{
+	while(maxlen-- > 1 && (*out++ = *in++));
+
+	*out = (CHAR16)0;
+}
+
+