stp: Log topology change events.

[openvswitch] / lib / util.h

diff --git a/lib/util.h b/lib/util.h
index 5ae0775f1b36491e36b6d720a4ee73456000403a..d504f2fe9cb09f05954f7db3bd8be0f3888a476a 100644 (file)
--- a/lib/util.h
+++ b/lib/util.h
@@ -1,5 +1,5 @@
 /*
- * 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.
@@ -53,6 +53,14 @@
 #define BUILD_ASSERT_DECL BOOST_STATIC_ASSERT
 #endif /* __cplusplus */
 
+#ifdef __GNUC__
+#define BUILD_ASSERT_GCCONLY(EXPR) BUILD_ASSERT(EXPR)
+#define BUILD_ASSERT_DECL_GCCONLY(EXPR) BUILD_ASSERT_DECL(EXPR)
+#else
+#define BUILD_ASSERT_GCCONLY(EXPR) ((void) 0)
+#define BUILD_ASSERT_DECL_GCCONLY(EXPR) ((void) 0)
+#endif
+
 extern const char *program_name;
 
 /* Returns the number of elements in ARRAY. */
@@ -195,10 +203,21 @@ char *abs_file_name(const char *dir, const char *file_name);
 
 void ignore(bool x OVS_UNUSED);
 int log_2_floor(uint32_t);
+int log_2_ceil(uint32_t);
 int ctz(uint32_t);
 
 bool is_all_zeros(const uint8_t *, size_t);
 bool is_all_ones(const uint8_t *, size_t);
+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_put(uint64_t value,
+                 void *dst, unsigned int dst_len, unsigned int dst_ofs,
+                 unsigned int n_bits);
+uint64_t bitwise_get(const void *src, unsigned int src_len,
+                     unsigned int src_ofs, unsigned int n_bits);
 
 #ifdef  __cplusplus
 }