/*
- * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
/* Returns true if X is a power of 2, otherwise false. */
#define IS_POW2(X) ((X) && !((X) & ((X) - 1)))
+static inline bool
+is_pow2(uintmax_t x)
+{
+ return IS_POW2(x);
+}
+
+/* Returns the rightmost 1-bit in 'x' (e.g. 01011000 => 00001000), or 0 if 'x'
+ * is 0. */
+static inline uintmax_t
+rightmost_1bit(uintmax_t x)
+{
+ return x & -x;
+}
+
#ifndef MIN
#define MIN(X, Y) ((X) < (Y) ? (X) : (Y))
#endif
extern "C" {
#endif
-void set_program_name__(const char *name, const char *date, const char *time);
+void set_program_name__(const char *name, const char *version,
+ const char *date, const char *time);
#define set_program_name(name) \
- set_program_name__(name, __DATE__, __TIME__)
+ set_program_name__(name, VERSION, __DATE__, __TIME__)
const char *get_program_version(void);
void ovs_print_version(uint8_t min_ofp, uint8_t max_ofp);
void bitwise_copy(const void *src, unsigned int src_len, unsigned int src_ofs,
void *dst, unsigned int dst_len, unsigned int dst_ofs,
unsigned int n_bits);
+void bitwise_zero(void *dst_, unsigned int dst_len, unsigned dst_ofs,
+ unsigned int n_bits);
+void bitwise_one(void *dst_, unsigned int dst_len, unsigned dst_ofs,
+ unsigned int n_bits);
void bitwise_put(uint64_t value,
void *dst, unsigned int dst_len, unsigned int dst_ofs,
unsigned int n_bits);