Add DCHECK_NOTNULL macro to logging.h (points to CHECK_NOTNULL in debug mode)

http://code.google.com/p/google-glog/issues/detail?id=25


git-svn-id: https://google-glog.googlecode.com/svn/trunk@83 eb4d4688-79bd-11dd-afb4-1d65580434c0

src/glog/logging.h.in

@@ -889,6 +889,7 @@ enum PRIVATE_Counter {COUNTER};
 #define DCHECK_LT(val1, val2) CHECK_LT(val1, val2)
 #define DCHECK_GE(val1, val2) CHECK_GE(val1, val2)
 #define DCHECK_GT(val1, val2) CHECK_GT(val1, val2)
+#define DCHECK_NOTNULL(val) CHECK_NOTNULL(val)
 #define DCHECK_STREQ(str1, str2) CHECK_STREQ(str1, str2)
 #define DCHECK_STRCASEEQ(str1, str2) CHECK_STRCASEEQ(str1, str2)
 #define DCHECK_STRNE(str1, str2) CHECK_STRNE(str1, str2)
@@ -943,6 +944,8 @@ enum PRIVATE_Counter {COUNTER};
   while (false) \
     CHECK_GT(val1, val2)
 
+#define DCHECK_NOTNULL(val) (val)
+
 #define DCHECK_STREQ(str1, str2) \
   while (false) \
     CHECK_STREQ(str1, str2)

src/logging_unittest.cc

@@ -43,6 +43,7 @@
 
 #include <iomanip>
 #include <iostream>
+#include <memory>
 #include <queue>
 #include <sstream>
 #include <string>
@@ -555,6 +556,10 @@ void TestDCHECK() {
   DCHECK_LE(1, 2);
   DCHECK_GT(2, 1);
   DCHECK_LT(1, 2);
+
+  auto_ptr<int64> sptr(new int64);
+  int64* ptr = DCHECK_NOTNULL(sptr.get());
+  ASSERT_EQ(ptr, sptr.get());
 }
 
 void TestSTREQ() {

src/windows/glog/logging.h

@@ -893,6 +893,7 @@ enum PRIVATE_Counter {COUNTER};
 #define DCHECK_LT(val1, val2) CHECK_LT(val1, val2)
 #define DCHECK_GE(val1, val2) CHECK_GE(val1, val2)
 #define DCHECK_GT(val1, val2) CHECK_GT(val1, val2)
+#define DCHECK_NOTNULL(val) CHECK_NOTNULL(val)
 #define DCHECK_STREQ(str1, str2) CHECK_STREQ(str1, str2)
 #define DCHECK_STRCASEEQ(str1, str2) CHECK_STRCASEEQ(str1, str2)
 #define DCHECK_STRNE(str1, str2) CHECK_STRNE(str1, str2)
@@ -947,6 +948,8 @@ enum PRIVATE_Counter {COUNTER};
   while (false) \
     CHECK_GT(val1, val2)
 
+#define DCHECK_NOTNULL(val) (val)
+
 #define DCHECK_STREQ(str1, str2) \
   while (false) \
     CHECK_STREQ(str1, str2)