removed unused extract_last_token() and the required memrchr implementation

configure.in

@@ -707,7 +707,6 @@ dnl ==========================================
 AC_HAVE_LIBRARY(dl)
 AC_CHECK_FUNCS(backtrace)
 AC_CHECK_FUNCS(dladdr)
-AC_REPLACE_FUNCS(memrchr)
 
 AC_MSG_CHECKING([for gcc atomic operations])
 AC_TRY_RUN(

src/libstrongswan/Makefile.am

@@ -47,7 +47,6 @@ utils/identification.c utils/identification.h \
 utils/iterator.h \
 utils/lexparser.c utils/lexparser.h \
 utils/linked_list.c utils/linked_list.h \
-utils/memrchr.c \
 utils/hashtable.c utils/hashtable.h \
 utils/enumerator.c utils/enumerator.h \
 utils/optionsfrom.c utils/optionsfrom.h \

src/libstrongswan/utils/lexparser.c

@@ -14,16 +14,8 @@
  * $Id$
  */
 
-/* memrchr is a GNU extension */
-#define _GNU_SOURCE
-#include <string.h>
-
 #include "lexparser.h"
 
-#ifndef HAVE_MEMRCHR
-void *memrchr(const void *s, int c, size_t n);
-#endif
-
 /**
  * eat whitespace
  */
@@ -33,7 +25,7 @@ bool eat_whitespace(chunk_t *src)
 	{
 		src->ptr++;  src->len--;
 	}
-    return  src->len > 0 && *src->ptr != '#';
+	return  src->len > 0 && *src->ptr != '#';
 }
 
 /**
@@ -105,32 +97,6 @@ bool extract_token_str(chunk_t *token, const char *termination, chunk_t *src)
 	return TRUE;
 }
 
-/**
- * extracts a token ending with the last occurrence of a given termination symbol
- */
-bool extract_last_token(chunk_t *token, const char termination, chunk_t *src)
-{
-	u_char *eot = memrchr(src->ptr, termination, src->len);
-	
-	/* initialize empty token */
-	*token = chunk_empty;
-	
-	if (eot == NULL) /* termination symbol not found */
-	{
-		return FALSE;
-	}
-	
-	/* extract token */
-	token->ptr = src->ptr;
-	token->len = (u_int)(eot - src->ptr);
-	
-	/* advance src pointer after termination symbol */
-	src->ptr = eot + 1;
-	src->len -= (token->len + 1);
-	
-	return TRUE;
-}
-
 /**
  *  fetches a new line terminated by \n or \r\n
  */

src/libstrongswan/utils/lexparser.h

@@ -46,11 +46,6 @@ bool extract_token(chunk_t *token, const char termination, chunk_t *src);
  */
 bool extract_token_str(chunk_t *token, const char *termination, chunk_t *src);
 
-/**
- * Extracts a token ending with the last occurrence of a given termination symbol
- */
-bool extract_last_token(chunk_t *token, const char termination, chunk_t *src);
-
 /**
  *  Fetches a new text line terminated by \n or \r\n
  */

src/libstrongswan/utils/memrchr.c

@@ -1,45 +0,0 @@
-/*
- * Copyright (C) 2008 Thomas Jarosch
- *
- * This program 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 of the License, or (at your
- * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program 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.
- */
-
-#ifndef HAVE_MEMRCHR
-
-#include <string.h>
-
-void *memrchr(const void *s, int c, size_t n)
-{
-	unsigned char *reverse_search;
-
-	if (s == NULL || n == 0)
-	{
-		return NULL;
-	}
-
-	reverse_search = s + n;
-
-	for (;;)
-	{
-		if (*reverse_search == (unsigned char)c)
-		{
-			return reverse_search;
-		}
-		else if (reverse_search == s)
-		{
-			break;
-		}
-		reverse_search--;
-	}
-	return NULL;
-}
-
-#endif