From b0227c5cbf0dada9fc46ade54686da369629de5e Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Wed, 4 May 2016 22:46:17 +0300
Subject: Add macroses returnNullptr and returnNullptrV

---
 src/utils/checkutils.h           | 24 ++++++++++++++++++++++++
 src/utils/checkutils_unittest.cc | 27 +++++++++++++++++++++++++++
 2 files changed, 51 insertions(+)

(limited to 'src/utils')

diff --git a/src/utils/checkutils.h b/src/utils/checkutils.h
index 7b76da8f1..52545e5cb 100644
--- a/src/utils/checkutils.h
+++ b/src/utils/checkutils.h
@@ -73,6 +73,22 @@
         return ret; \
     }
 
+#define returnNullptrV(val) \
+    if ((val) == nullptr) \
+    { \
+        reportStack(__FILE__, __LINE__, __func__, \
+            "Detected null value", #val); \
+        return; \
+    }
+
+#define returnNullptr(ret, val) \
+    if ((val) == nullptr) \
+    { \
+        reportStack(__FILE__, __LINE__, __func__, \
+            "Detected null value", #val); \
+        return ret; \
+    }
+
 void reportStack(const char *const file,
                  const unsigned int line,
                  const char *const func,
@@ -102,5 +118,13 @@ void reportStack(const char *const file,
     if (val) \
         return ret;
 
+#define returnNullptrV(val) \
+    if ((val) == nullptr) \
+        return; \
+
+#define returnNullptr(ret, val) \
+    if ((val) == nullptr) \
+        return ret; \
+
 #endif  // ENABLE_ASSERTS
 #endif  // UTILS_CHECKUTILS_H
diff --git a/src/utils/checkutils_unittest.cc b/src/utils/checkutils_unittest.cc
index 4cce96725..981e08f72 100644
--- a/src/utils/checkutils_unittest.cc
+++ b/src/utils/checkutils_unittest.cc
@@ -58,6 +58,19 @@ static int testReturnTrue(const bool val)
     return 1;
 }
 
+static int testReturnNullptr(void *val)
+{
+    returnNullptr(0, val);
+    return 1;
+}
+
+static void testReturnNullptrV(void *val)
+{
+    flag = false;
+    returnNullptrV(val);
+    flag = true;
+}
+
 TEST_CASE("CheckUtils")
 {
     logger = new Logger;
@@ -114,5 +127,19 @@ TEST_CASE("CheckUtils")
         REQUIRE(testReturnTrue(true) == 0);
     }
 
+    SECTION("returnNullptr")
+    {
+        REQUIRE(testReturnNullptr(nullptr) == 0);
+        REQUIRE(testReturnNullptr((void*)1) == 1);
+    }
+
+    SECTION("returnNullptrV")
+    {
+        testReturnNullptrV(nullptr);
+        REQUIRE(flag == false);
+        testReturnNullptrV((void*)1);
+        REQUIRE(flag == true);
+    }
+
     delete2(logger);
 }
-- 
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