removed unused extract_last_token() and the required memrchr implementation

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 != '#';
 }
 
 /**
@@ -54,11 +46,11 @@ bool extract_token(chunk_t *token, const char termination, chunk_t *src)
 	if (termination == ' ')
 	{
 		u_char *eot_tab = memchr(src->ptr, '\t', src->len);
-
+		
 		/* check if a tab instead of a space terminates the token */
 		eot = ( eot_tab == NULL || (eot && eot < eot_tab) ) ? eot : eot_tab;
 	}
-
+	
 	/* initialize empty token */
 	*token = chunk_empty;
 	
@@ -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
  */