--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/srcanamdw/codescanner/scripts/null.py Thu Feb 18 12:29:02 2010 +0530
@@ -0,0 +1,49 @@
+# #################################################################
+# Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+#
+# * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+# * Neither the name of Nokia Corporation nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.#
+#
+# null.py
+#
+# Checks : NULL equality check.
+#
+# Reason : There is no need to compare pointer variables to NULL.
+# Use If(ptr).
+#
+# #################################################################
+
+script = CScript("null")
+script.iReString = r"""
+ [!=]=\s*NULL
+ """
+script.iFileExts = ["cpp"]
+script.iCategory = KCategoryCodingStandards
+script.iIgnore = KIgnoreCommentsAndQuotes
+script.iSeverity = KSeverityLow
+
+def nullcompare(lines, currentline, rematch, filename):
+ # It's OK to compare against NULL in return statement
+ line = lines[currentline]
+ m = rematch.search(line)
+ if m:
+ if (line.find("return") > -1):
+ return 0
+ if (line.find("ASSERT") > -1):
+ return 0
+ return 1
+
+ return 0
+
+script.iCompare = nullcompare
+scanner.AddScript(script)