From ff3a1714f292d1bc495112dd83f7fa1f61f9aea9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Marjam=C3=A4ki?= <hyd_danmar@users.sourceforge.net>
Date: Sat, 13 Dec 2008 19:07:29 +0000
Subject: [PATCH] Memory leak : added standard functions that are safe and
 doesn't need to be checked

---
 CheckMemoryLeak.cpp | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/CheckMemoryLeak.cpp b/CheckMemoryLeak.cpp
index 532cfce8c..b58253270 100644
--- a/CheckMemoryLeak.cpp
+++ b/CheckMemoryLeak.cpp
@@ -189,9 +189,26 @@ CheckMemoryLeakClass::AllocType CheckMemoryLeakClass::GetDeallocationType( const
 //--------------------------------------------------------------------------
 
 const char * CheckMemoryLeakClass::call_func( const TOKEN *tok, std::list<const TOKEN *> callstack, const char *varnames[], AllocType &alloctype, AllocType &dealloctype )
-{
-    if (TOKEN::Match(tok,"if") || TOKEN::Match(tok,"for") || TOKEN::Match(tok,"while"))
+{
+    // Keywords that are not function calls..
+    if (TOKEN::Match(tok,"if|for|while"))
+        return 0;
+
+    // String functions that are not allocating nor deallocating memory..
+    if (TOKEN::Match(tok, "strcpy|strncpy|strcat|strncat|strcmp|strncmp|strcasecmp|stricmp|sprintf|strchr|strrchr|strstr"))
+        return 0;
+
+    // Memory functions that are not allocating nor deallocating memory..
+    if (TOKEN::Match(tok, "memset|memcpy|memmove|memchr"))
+        return 0;
+
+    // I/O functions that are not allocating nor deallocating memory..
+    if (TOKEN::Match(tok, "fgets|fgetc|fputs|fputc|printf"))
         return 0;
+
+    // Convert functions that are not allocating nor deallocating memory..
+    if (TOKEN::Match(tok, "atoi|atof|atol|strtol|strtoul|strtod"))
+        return 0;
 
     if (GetAllocationType(tok)!=No || GetReallocationType(tok)!=No || GetDeallocationType(tok,varnames)!=No)
         return 0;